Research Articles

  1. Cirpan, S. Alkan, L. Toppare, G. David, Y. Yagci “Synthesis and electroactivity of pyrrole end-funtionalized poly(2-methyl-2-oxazoline)” Eur. Polym. J. 2001, 37, 2225-2229.
  2. Cirpan, S. Alkan, L. Toppare, I. Cianga, Y. Yagci “Synthesis and characterization of conducting copolymers of thiophene-3-yl acetic acid cholesteryl ester with pyrrole” J. Mater. Sci. 2002, 37, 1767-1775.
  3. Cirpan, S. Alkan, L. Toppare, Y. Hepuzer, Y. Yagci “Conducting graft copolymers of poly(3-methyl thienyl methacrylate) with pyrrole and thiophene” J. Polym. Sci. Part A: Polym. Chem. 2002, 40, 4131-4140.
  4. Cirpan, S. Alkan, L. Toppare, Y. Yagci, Y. Hepuzer “Immobilization of invertase in conducting copolymers of 3-methylthienyl methacrylate” Bioelectrochemistry 2003, 59, 29-33.
  5. Cirpan, Z. Kucukyavuz, S. Kucukyavuz “Synthesis, characterization and electrical conductivity of poly (paraphenylene vinylene)” Turkish Polym. J. (2003), 27, 135-143.
  6. Cirpan, S. Alkan, L. Toppare, I. Cianga, Y. Yagci “Immobilization of cholesterol oxidase in conducting copolymer of thiophene-3-yl acetic acid cholesteryl ester with pyrrole” Designed Monomers & Polymers 2003, 6, 237-243.
  7. A. Argun, A. Cirpan, J.R. Reynolds “The First Truly All-Polymer Electrochromic Devices” Adv. Mater. 2003, 15, 1338-1341.
  8. Cirpan, A. A. Argun, C. R. G. Grenier, B.D. Reeves, J.R. Reynolds “Electrochromic devices based on soluble and processable dioxythiophene polymers” J. Mater. Chem. 2003, 13, 2422-2428.
  9. Cirpan, Y. Guner, L. Toppare “Synthesis and characterization of decanedioic acid bis-(4-pyrrol-1-yl-phenyl) ester and its polymers and copolymers” Mater. Chem. Phys. 2004, 85, 222-226.
  10. Ertas, A. Cirpan, L. Toppare “Synthesis and characterization of conducting copolymers of succinic acid bis-(4-pyrrol-1-yl-phenyl) ester and their electrochromic properties” Synth. Met. 2004, 143, 49-58.
  11. -H. Auberta, A. A. Arguna, A. Cirpan, D.B. Tanner, J. R. Reynolds “Microporous Patterned Electrodes for Color-Matched Electrochromic Polymer Displays” Chem. Mater. 2004, 16, 2386-2393.
  12. Coskun, A. Cirpan, L. Toppare “Conducting Polymers of Terepthalic acid bis-(2-thiophen-3-yl-ethyl) ester and Their Electrochromic Properties” Polymer 2004, 45, 4989-4995.
  13. Camurlu, A. Cirpan, L. Toppare “Synthesis, Characterization and Electrochromic Properties of Conducting Poly(Hexanedioic acid bis-(2-thiophen-3-yl-ethyl ester) and Its Copolymer with Thiophene” Synth. Met. 2004, 146, 91-97.
  14. Camurlu, A. Cirpan, L. Toppare “Dual Type Complementary Colored Polymer Electrochromic Devices Utilized by 3- Ester Substituted Thiophenes” J. Electroanal. Chem. 2004, 572, 61-65.
  15. D. Reeves, C. R. G. Grenier, A. A. Argun, A. Cirpan, J.R. Reynolds “Spray Coatable Electrochromic Dioxythiophene Polymers with High Coloration Efficiencies” Macromolecules 2004, 37, 7559-7569.
  16. Bulut, A. Cirpan “Dual-type electrochromic devices based on conducting copolymers of thiophene-functionalized monomers” Synth. Met. 2004, 148, 65-69.
  17. Ak, A. Cirpan, F. Yılmaz, Y. Yagci, L. Toppare “Synthesis, Characterization of Hexamethylene diamine bis-(3-thiophen acetic acid) (HDTA) and Electrochromic Properties of Its Copolymers with Thiophene” Eur. Polym. J. 2005, 41, 967-973.
  18. Camurlu, A. Cirpan, L. Toppare “Conducting Polymers of Octanoic acid 2-thiophen-3-yl-ethyl ester and Their Electrochromic Properties” Mater. Chem. Phys. 2005, 92, 413-418.
  19. Bingol, Y. Guner, A. Cirpan, L. Toppare “Synthesis and characterization of thiophen-3-yl acetic acid 4-pyrrol-1-yl phenyl ester and its conducting polymer” Int. J. Polym. Mater. 2005, 54, 713-730.
  20. Cirpan, L. Ding, F.E. Karasz “Optical and electroluminescent properties of polyfluorene copolymers and their blends” Polymer 2005, 46, 811-817.
  21. Cirpan, L. Ding, F.E. Karasz “Efficient Light Emitting Diodes from Polyfluorene Copolymer Blends” Synth. Met. 2005, 150, 195-198.
  22. Kiralp, A. Cirpan, L. Toppare “Enzyme electrodes for determination of total phenolic capacity of red wines” J. Appl. Polym. Sci. 2005, 98, 521-524.
  23. P. Rathnayake, A. Cirpan, P.M. Lahti, F.E. Karasz “Optimizing LED Luminescent Properties in 2,7-Bis(Phenylethenyl)fluorenes” Chem. Mater.. 2006, 18, 560-566.
  24. Cirpan, F.E. Karasz “Indium tin oxide nanoparticles as anode for light emitting diodes” J. Appl. Polym. Sci. 2006, 99, 3125-3129.
  25. Liao, A. Cirpan, L. Ding, FE. Karasz and Y. Pang “Efficient blue-green-emitting poly[(5-diphenylamino-1,3-phenylenevinylene)-alt-(2,5-dihexyloxy-1,4-phenylenevinylene)] derivatives: Synthesis and Optical Properties” J. Polym. Sci. Part A: Polym. Chem. 2006, 44, 2307-2315.
  26. Sacan, A. Cirpan, P. Camurlu, L. Toppare “Conducting Polymers of Succinic acid bis-(2-thiophen-3-yl-ethyl) ester and Their Electrochromic Properties” Synt. Met. 2006, 156, 190-195.
  27. Cirpan, H.P. Rathnayake, G. Gunbas, P.M. Lahti, F.E. Karasz “New conjugated materials containing cyano substituents for light-emitting diodes” Synt. Met. 2006, 156, 282-286.
  28. Cirpan, F.E. Karasz, A.Z. Aroguz “Efficient Light Emitting diodes from a ternary blends of PPV based copolymers” J. Appl. Polym. Sci. 2006, 102, 2509-2511.
  29. A.F. Deichmann, A. Cirpan, F.E. Karasz, L. Akcelrud “Photo and electroluminescent properties of a p-conjugated copolymer contaning 2,2’-bipyridyl units” Polym. Int. 2007, 56, 252-257.
  30. P. Rathnayake, A. Cirpan, Z. Delen, P.M. Lahti, F.E. Karasz “Optimizing OLED efficacy of 2,7-diconjugated 9,9-dialkylfluorenes variation of periphery substitution and conjugation length” Adv. Funct. Mater. 2007, 17, 115-122.
  31. Coskun, A. Cirpan, L. Toppare “Construction of Electrochromic Devices Using Thiophene Based Conducting Polymer” J. Mater. Sci. 2007, 42, 368-372.
  32. B. Yildiz, E. Sahin, A. Cirpan, L. Toppare, Y. Yagci “Characteristics of dual-type electrochromic devices based on poly(ethylene oxide) copolymers” Polym. Int. 2007, 56, 674-678.
  33. Liao, A. Cirpan, FE. Karasz, Y. Pang “Synthesis and Optical Properties of Light-Emitting p-Conjugated Polymers Containing Biphenyl and Dithienosilole” J. Polym. Sci. Part A: Polym. Chem. 2007, 45, 2048-2058.
  34. A.F. Deichmann, J.B.M. Novo, A. Cirpan, F.E. Karasz, L. Akcelrud “Photo- and Electroluminescent behavior of Eu3+ Ions in Blends with Poly(vinyl-carbazole)” J. Braz. Chem. Soc. 2007, 18, 330-336.
  35. P. Rathnayake, A. Cirpan, F.E. Karasz, M.Y. Odoi, N.I. Hammer, M.D. Barnes, P.M. Lahti “Luminescence of Molecular and Block Copolymeric 2,7-Bis(phenylethenyl)-fluorenones; Identifying Green-band Emitter Sites in a Fluorene-Based Luminophore” Chem. Mater. 2007, 19, 3265-3270.
  36. Cirpan, H.P. Rathnayake, F.E. Karasz and P.M. Lahti “Luminescence of Fluorenes 2,7-Conjugatively Extended with 2-Pyrenylvinylene and 2-Pyrenylvinylene-4-Phenylenevinylene”, J. Mater Chem. 2007, 17, 3030-3036.
  37. Colak, I. Cianga, Y. Yagci, A. Cirpan, FE. Karasz “Novel poly(phenylene-vinylenes) with well defined poly(ε-caprolactone) or polystyrene as lateral substituents: synthesis and characterization” Macromolecules 2007, 40, 5301-5310.
  38. (Cover Article) F. Cossiello, A. Cirpan, F.E. Karasz, L. Akcelrud, T.D.Z. Atvars “Electroluminescence of (styrene-co-acrylic acid) ionomer/conjugated MEH-PPV blends” Synt. Met. 2008, 158, 219-225.
  39. Zhang, A. Cirpan, T.P. Russell, T. Emrick, “Novel Donor-Acceptor Polythiophene-Perylene Diblock Copolymers: Synthesis and Photovoltaic Characterization” Macromolecules 2009, 42, 1079-1082.
  40. U. Lee, A. Cirpan, T. Emrick, T.P. Russell, W.H. Jo, “Synthesis and Photophysical Property of Well-Defined Donor-Acceptor Diblock Copolymer Based on Regioregular Poly(3-hexylthiophene) and Fullerene” J. Mater. Chem. 2009, 19, 1483-1489.
  41. Park, B. Kim, A. Cirpan, T.P. Russell “Various Approaches for Preparation of Metallic Line Patterns from Functional Block Copolymers” Small 2009, 5, 1343-1348.
  42. Nowacki, E. Iamazaki, A. Cirpan, F.E. Karasz, T.D.Z. Atvars, L. Akcelrud “Highly Efficient Polymer Blends from a Polyfluorene Derivative and PVK for LED” Polymer 2009, 50, 6057-6064.
  43. (Review Article)J.F. de Deus, Cirpan, F.E. Karasz, L. Akcelrud “Emission tuning study of RGB blends. Interaction of two EL polymers and a red dye”
    Current Applied Physics 2010, 10, 365-369.
  44. Akbasoglu, A. Balan, D. Baran, A. Cirpan, L. Toppare “Electrochemical and Optical Studies of Furan and Thieno[3,2-b]thiophene End Capped Benzotriazole Derivatives” J. Polym. Sci. Part A: Polym. Chem. 2010, 48, 5603-5610.
  45. Kaya, A. Balan, D. Baran, A. Cirpan, L. Toppare “Solution Processable Benzotriazole and Fluorene Containing Copolymers for Multipurpose Optoelectronic Applications” Organic Electronics 2011, 12, 202-209.
  46. Karakus, A. Balan, D. Baran, A. Cirpan and L. Toppare “Electrochemical and Optical Properties of Solution Processable Benzotriazole and Benzothiadiazole Containing Copolymers” Synth. Met. 2012, 162, 202-209. http://dx.doi.org/doi:10.1016/j.synthmet.2011.11.014
  47. Kaya, D.H. Apaydin, D.E. Yildiz, L. Toppare, A. Cirpan “Solution Processable Benzotriazole and Fluorene Containing Copolymers for Photovoltaic Applications” Solar Energy Materials & Solar Cells  2012, 99, 321–326. http://dx.doi.org/doi:10.1016/j.solmat.2011.12.021
  48. Karakus, D.H. Apaydin, D.E. Yildiz, L. Toppare, A. Cirpan “Benzotriazole and Benzothiadiazole Containing Conjugated Copolymers for Organic Solar Cells” Polymer 2012, 53, 1198-1202. http://dx.doi.org/doi:10.1016/j.polymer.2012.01.030
  49. C. Ozelcaglayan, M. Sendur, N. Akbasoglu, D.H. Apaydin, A. Cirpan, L. Toppare “Synthesis and Electrochemical Properties of a Novel Benzimidazole Derivative as the Acceptor Unit in Donor-Acceptor-Donor Type Polymers” Electrochimica Acta 2012, 67, 224-229. http://dx.doi.org/10.1016/j.electacta.2012.02.047
  50. (Front Cover)A. Unlu, T.K. Deniz, M. Sendur, A. Cirpan “Effect Of Dithienopyrrole Unit On Electrochromic And Optical Properties Of Benzotriazole Based Conjugated Polymers” Macromolecular Chemistry and Physics 2012, 213, 1885−1891. http://dx.doi.org/10.1002/macp.201200274
  51. F. de Deus, G. C. Faria, R. M. Faria, E. T. Iamazaki, T.D.Z. Atvars, Ali Cirpan, L. Akcelrud “White light emitting devices by doping polyfluorene with two red emitters”Journal of Photochemistry and Photobiology A: Chemistry, 2013, 253, 45–51. http://dx.doi.org/10.1016/j.jphotochem.2012.12.018
  52. E. Yıldız, D.H. Apaydın, E. Kaya, A. Cirpan “The main electrical and interfacial properties of benzotriazole and fluorene based organic devices” Journal of Macromolecular Science, Part A: Pure and Applied Chemistry, 2013, 50, 168–174. http://dx.doi.org/10.1080/10601325.2013.741864
  53. E. Yıldız, D.H. Apaydın, L. Toppare, A. Cirpan “Dielectric and electrical properties of a benzotriazole and fluorene containing copolymer” J. Appl. Polym. Sci. 2013, 128 (3), 1659-1664. http://dx.doi.org/10.1002/app.38315
  54. H. Apaydın, D.E. Yıldız, A Cirpan and L Toppare “Optimizing the Organic Solar Cell Efficiency: Role of the Active Layer Thickness” Solar Cells Solar Energy Materials & Solar Cells, 2013, 113, 100-105. http://dx.doi.org/10.1016/j.solmat.2013.02.003
  55. (Front Cover)C. Cevher, N.A. Unlu, A.C. Ozelcaglayan, D.H. Apaydin, Y.A. Udum, L. Toppare, Ali Cirpan “Fused Structures in the Polymer Backbone to Investigate the Photovoltaic and Electrochromic Properties of Donor-Acceptor Type Conjugated Polymers” Journal Of Polymer Science, Part A: Polymer Chemistry 2013, 51, 1933–1941. http://dx.doi.org/10.1002/pola.26553
  56. K. Deniz, A.G. Nurioglu, N.A. Unlu, M. Sendur, L. Toppare, Ali Cirpan “Syntheses, Electrochemical and Photophysical Properties of Biphenyl Containing Conjugated Copolymers” Polymer 2013, 54, 2243-2249. http://dx.doi.org/10.1016/j.polymer.2013.02.052
  57. Karakus, A.G. Nurioglu, H.Z. Akpinar, L. Toppare, and Ali Cirpan “Synthesis and Electrochromic Properties of trans-Stilbene Bearing Copolymers Obtained with Different Repeat Unit and Chain Length” Electrochimica Acta 2013, 100, 110-117. http://dx.doi.org/10.1016/j.electacta.2013.03.159
  58. Kozanoglu, D.H. Apaydın, Ali Cirpan, E.N. Esenturk “Power Conversion Efficiency Enhancement of Organic Solar Cells by Addition of Gold Nanoparticles” Organic Electronics 2013, 14, 1720–1727. http://dx.doi.org/10.1016/j.orgel.2013.04.008
  59. K. Deniz, D.H. Apaydin, A.C. Ozelcaglayan, L. Toppare and Ali Cirpan “Photo- and Electroluminescence Behavior of Biphenyl Derivative in Blends with Poly(vinyl-carbazole)” Turkish Journal of Chemistry 2013, 37, 538-546. http://dx.doi.org/10.3906/kim-1302-48
  60. Zaifoglu, S.O. Hacioglu, N.A. Unlu, Ali Cirpan, L. Toppare “Structure-Property Relations in Donor-Acceptor-Donor Type Benzimidazole Containing Conjugated Polymers” Journal of Materials Science 2014, 49 (1), 225-231. http://dx.doi.org/10.1007/s10853-013-7696-8
  61. Toksabay, S. O. Hacioglu, N. A. Unlu, Ali Cirpan, L. Toppare “Thieno[3,2-b]thiophene as π-bridge at Different Acceptor Systems for Electrochromic Applications” Polymer 2014, 55, 3093-3099. http://dx.doi.org/10.1016/j.polymer.2014.05.029
  62. A. Udum, H.B. Yıldız, H. Azak, Ü. Can, E. Sahin, O. Talaz, Ali Cirpan, L. Toppare “Synthesis and Spectroelectrochemistry of Dithieno pyrrole Derivatives” Journal of Applied Polymer Science 2014, 131 (17), 8676-8683.http://dx.doi.org/10.1002/app.40701
  63. Yuksel, Z. Sarioba, A. Cirpan, P. Hiralal, H.E. Unalan “Transparent and flexible supercapacitors with single walled carbon nanotube thin film electrodes” ACS Applied Materials & Interfaces 2014, 6, 15434−15439.http://dx.doi.org/10.1021/am504021u
  64. Kesik, H. Akbulut, S. Söylemez, S.C. Cevher, G. Hızalan, Y.A. Udum, T. Endo, S. Yamada, Ali Çırpan, Y. Yağcı and L. Toppare “Synthesis and characterization of Conducting Polymers Containing Polypeptide and Ferrocene Side Chains as Ethanol Biosensors” Polym. Chem., 2014, 5, 6295–6306. http://dx.doi.org/10.1039/C4PY00850B
  65. Soylemez, S.O. Hacioglu, M. Kesik, H. Unay, Ali Cirpan and L. Toppare “A Novel And Effective Surface Design; Conducting Polymer/Β-Cyclodextrin Host-Guest System For Cholesterol Biosensor” ACS Appl. Mater. Interfaces, 2014, 6, 18290−18300. http://dx.doi.org/10.1021/am5054493
  66. E. Yıldız, M. Karakuş, L. Toppare, A. Cirpan “Leakage Current By Frenkel-Poole Emission On Benzotriazole and Benzothiadiazole Based Organic Devices” Materials Science in Semiconductor Processing, 2014, 28, 84–88. http://dx.doi.org/10.1016/j.mssp.2014.06.038
  67. Baysec, N. A. Unlu, S. O. Hacioglu, Y.A. Udum, A. Cirpan, L. Toppare “Electrochemical properties of perylene diimide (PDI) and benzotriazole (BTz) bearing conjugated polymers to investigate the effect of π-bridge on electrochemical properties” Journal of Macromolecular Science, Part A: Pure and Applied Chemistry, 2015, 52, 1-9.http://dx.doi.org/10.1080/10601325.2014.976742
  68. Unay, N.A. Unlu, G. Hizalan, S.O. Hacioglu, D.E. Yildiz, L. Toppare, Ali Cirpan “Benzotriazole and Benzodithiophene Containing Medium Band-Gap Polymer for Bulk Heterojunction Polymer Solar Cells Applications” Journal of Polymer Science, Part A: Polymer Chemistry, 2015, 53, 528–535. http://dx.doi.org/10.1002/pola.27467
  69. Sefer, S.O. Hacioglu, M. Tonga, L. Toppare, Ali Cirpan, S. Koyuncu “A Novel Near-IR effective pyrene based donor acceptor electrochrome” Macromol. Chem. Phys., 2015, 216, 829−836. http://dx.doi.org/10.1002/macp.201400584
  70. C. Gokoglan, S. Soylemez, M. Kesik, H. Unay, S. Sayin, H. B. Yildiz, Ali Cirpan and L. Toppare “A novel architecture based on a conducting polymer and calixarene derivative: synthesis and its biosensor construction” RSC Adv., 2015, 5, 35940–35947. http://dx.doi.org/10.1039/C5RA03933A
  71. (Front Cover) Erlik, N.A. Unlu, G. Hizalan, S.O. Hacioglu, S. Comez, E.D. Yildiz, L. Toppare, Ali Cirpan “Silafluorene based Polymers for Electrochromic and Polymer Solar Cell Applications” Journal of Polymer Science, Part A: Polymer Chemistry 2015, 53 (13), 1541-1547.http://dx.doi.org/10.1002/pola.27625
  72. Ileri, S.O. Hacioglu, Ali Cirpan, L. Toppare “Syntheses and Optical Properties of Perfluorophenyl Containing Benzimidazole Derivatives: The Effect of Donor Units” Journal of Macromolecular Science, Part A: Pure and Applied Chemistry 2015, 52, 510–516.http://dx.doi.org/10.1080/10601325.2015.1039321
  73. Istanbulluoglu, S. Göker, G. Hizalan, S.O. Hacioglu, Y.A. Udum, D.E. Yildiz , Ali Cirpan and L. Toppare “Synthesis of a Benzotriazole Bearing Alternating Copolymer For an Organic Photovoltaic Application” New J. Chem., 2015, 39, 6623–6630. http://dx.doi.org/10.1039/C5NJ01026H
  74. Unay, N.A. Unlu, G. Hizalan, S. O. Hacioglu, L. Toppare, Ali Cirpan ”Selenophene as p-Bridge in Molecular Architecture of Benzotriazole Containing Conjugated Polymers to Gain Insight its Effect on Optical and Electrochemical Properties of Polymers” Phosphorus, Sulfur, and Silicon and the Related Elements, 2015, 190(8), 1294-1306. http://dx.doi.org/10.1080/10426507.2015.1024312
  75. (Front Cover) Akpinar, Ş. C. Cevher, L. Wei, Ali Cirpan, B. M. Wong, D. Venkataraman, Paul M. Lahti “Poly((2-alkylbenzo[1,2,3]triazole-4,7-diyl) vinylene)s for Organic Solar Cells” Journal of Polymer Science, Part B: Polymer Physics 2015, 53, 1539–1545.http://dx.doi.org/10.1002/polb.23785
  76. Kesik, B. Demir, F.B. Barlas, C. Geyik, S.C. Cevher, D.O. Demirkol, S.Timur, Ali Çırpan, L.Toppare “Multi-Functional Fluorescent Scaffold As A Multicolor Probe: Design And Application In Targeted Cell Imaging” RSC Adv., 2015, 5, 83361–83367. http://dx.doi.org/10.1039/C5RA16600D
  77. Yuksel, S.C. Cevher, Ali Cirpan, L. Toppare and H.E. Unalan “All-organic electrochromic supercapacitors” Journal of The Electrochemical Society, 2015, 162 (14) A2805-A2810. http://dx.doi.org/10.1149/2.0881514jes
  78. (Front Cover) S. Goker, G. Hizalan, S. Kutkan, Y.A. Udum, Ali Cirpan, L. Toppare “Incorporation of Different Conjugated Linkers into Low Band Gap Polymers based on 5,6-bis(octyloxy)-2,1,3 benzooxadiazole for Tuning Optoelectronic Properties” JOURNAL OF POLYMER SCIENCE, PART A: POLYMER CHEMISTRY, 2016, 54, 2459–2467. http://dx.doi.org/10.1002/pola.28141
  79. C. Cevher, Gonul Hizalan, Cansel Temiz, Y.A. Udum, Levent Toppare, Ali Cirpan “Effect of substituent groups on quinoxaline-based random copolymers on the optoelectronic and photovoltaic properties” Polymer, 2016, 101, 208-216. http://dx.doi.org/10.1016/j.polymer.2016.08.076
  80. Seza Goker, Gonul Hizalan, Ece Aktas, Seda Kutkan, Ali Cirpan, Levent Toppare “2,1,3-Benzooxadiazole, thiophene and benzodithiophene based random copolymers for organic photovoltaics: Thiophene versus thieno[3,2-b]thiophene as π-conjugated linkers” New J. Chem., 2016, 40, 10455–10464. http://dx.doi.org/10.1039/c6nj02469f
  81. Ipek Onk, Gonul Hizalan, Sevki Can Cevher, Serife O. Hacioglu, Levent Toppare & Ali Cirpan “Multipurpose selenophene containing conjugated polymers for optoelectronic applications” Journal Of Macromolecular Science, Part A: Pure And Applied Chemistry 2017, VOL. 54, NO. 3, 133 – 139. http://dx.doi.org/10.1080/10601325.2017.1265396
  82. Recep Yuksel, Sahin Coskun, Gorkem Gunbas, Ali Cirpan, Levent Toppare and Husnu Emrah Unalan “Silver Nanowire / Conducting Polymer Nanocomposite Electrochromic Supercapacitor Electrodes ” Journal of The Electrochemical Society, 2017, 164 (4) A721-A727.http://dx.doi.org/10.1149/2.0791704jes
  83. E. Yıldız, D. H. Apaydın, L. Toppare, A.Cirpan “Effect of layer thickness on the electrical parameters and conduction mechanicms of conjugated polymer-based heterojunction diode” Journal of Applied Polymer Science, 2017, 134 (19), 44817(1-7). http://dx.doi.org/10.1002/APP.44817
  84. (Front Cover) Recep Yuksel, Emre Ataoglu, Janset Turan, Ece Alpugan, Şerife Özdemir, Levent Toppare, Ali Çırpan, Husnu Emrah Unalan, Gorkem Gunbas “A New High Performance Blue to Transmissive Electrochromic Material and Use of Silver Nanowire Electrodes as Substrates” Journal of Polymer Science, Part A: Polymer Chemistry, 2017, 55, 1680–1686. http://dx.doi.org/10.1002/pola.28506
  85. Naime Akbasoglu Unlu, Serife O. Hacioglu, Gonul Hizalan, Dilber Esra Yildiz, Levent Toppare, Ali Cirpan “Benzodithiophene And Benzotriazole Bearing Conjugated Polymers For Electrochromic And Organic Solar Cell Applications” Journal of The Electrochemical Society, 164 (6) G71-G76 (2017). http://dx.doi.org/10.1149/2.0201707jes
  86. Serife O. Hacioglu, Naime A. Unlu, Ece Aktas, Gonul Hizalan, Esra D. Yildiz, Ali Cirpan, Levent Toppare “A Triazoloquinoxaline and Benzodithiophene Bearing Low Band Gap Copolymer for Electrochromic and Organic Photovoltaic Applications” Synthetic Metals 228 (2017) 111–119. http://dx.doi.org/10.1016/j.synthmet.2017.04.017
  87. Seza Goker, Serife O. Hacioglu, Ece Aktas, Gonul Hizalan, Ali Cirpan, Levent Toppare “Triphenylamine based random copolymers: The effect of molecular weight on performance of solar cell and optoelectronic properties” Macromolecular Chem. Phys. 218 (2017) http://dx.doi.org/10.1002/macp.201600544
  88. Asli Cetin, Cagla Istanbulluoglu, Serife Ozdemir Hacioglu, Sevki Can Cevher, Levent Toppare, Ali Cirpan “Synthesis Of Bistriphenylamine And Benzodithiophene Based Random Conjugated Polymers For Organic Photovoltaic Applications” Journal of Polymer Science, Part A: Polymer Chemistry 55 (2017) 3705–3715. http://dx.doi.org/10.1002/pola.28752
  89. Uğursoy Olgun, Mustafa Gülfen, Gonul Hizalan, Ali Cirpan, Levent Toppare, “Photovoltaic Properties of Poly(Triphenylamine-Thiazolo[5,4-d]Thiazole) Copolymer Dye in Bulk-Hetorojunction Organic Solar Cells” Journal of Polymer Materials, Vol. 34, No. 2 (2017) 391-403.
  90. Özge Karagaçtı, Sevki Can Cevher, Gonul Hizalan, Serife O. Hacioglu, Levent Toppare, Ali Cirpan “Enhancing Power Conversion Efficiency of Polymer Solar Cells via Selection of Quinoxaline Substituents” New Journal of Chemistry 41 (2017), 14635–146441. http://dx.doi.org/10.1039/c7nj03312e
  91. Özge Azeri, Ece Aktas, Cagla Istanbulluoglu, Serife O. Hacioglu, Sevki Can Cevher, Levent Toppare, Ali Cirpan “Efficient Benzodithiophene and Thienopyrroledione Containing Random Polymers as Components for Organic Solar Cells” Polymer 133 (2017) 60-67.https://doi.org/10.1016/j.polymer.2017.11.024
  92. Hande Unay, Gisele A. dos Reis Benatto, Michail J. Beliatis, Suren A. Gevorgyan, Pelin Kavak, Sema Memiş, Ali Cirpan, Levent Toppare, Elif Alturk Parlak, Frederik C. Krebs “High Stability of Benzotriazole and Benzodithiophene Containing Medium Band-Gap Polymer Solar Cell” Solar Energy Materials and Solar Cells 174 (2018) 433–444. http://dx.doi.org/10.1016/j.solmat.2017.09.024
  93. Recep Yuksel, Ali Ekber; Janset Turan; Ece Alpugan; Serife O. Hacioglu; Levent Toppare; Ali Cirpan; Gorkem  Gunbas; Husnu Emrah Unalan “A novel blue to transparent polymer for electrochromic supercapacitor electrodes” Electroanalysis 30 (2018) 266 –273. http://dx.doi.org/10.1002/elan.201700535
  94. Betül Canımkurbey, Hande Unay, Çiğdem Çakırlar, Serkan Büyükköse, Ali Çırpan, Savaş Berber, Elif Altürk Parlak “Medium Band Gap Polymer Based Solution Processable High Dielectric Constant Composite Gate Insulators for Organic Field Effect Transistors” Journal of Physics D: Applied Physics 51 (12) (2018) 125104. https://doi.org/10.1088/1361-6463/aaad25
  95. Sefika Ozcan, Sesha Vempati, Ali Cırpan and Tamer Uyar “Associative behaviour and role of functional groups on the fluorescence of graphene oxide” Physical Chemistry Chemical Physic, 20 (2018) 7559–7569. http://dx.doi.org/10.1039/c7cp08334c
  96. C. Cevher, Duygu Keles, Gonul Hizalan, Levent Toppare, Ali Cirpan “Alkyl-end Phenanthroimidazole Modification of Benzotriazole Based Conjugated Polymers for Optoelectronic Applications” Synthetic Metals 244 (2018) 1-9. https://doi.org/10.1016/j.synthmet.2018.06.007
  97. Duygu Keles, Mert Can Erer, Eda Bolayir, Sevki Can Cevher Gonul Hizalan, Levent Toppare, Ali Cirpan “Conjugated Polymers with Benzothiadiazole and Benzotriazole Moieties for Polymer Solar Cells” Renewable Energy 139 (2019) 1184-1193.https://doi.org/10.1016/j.renene.2019.03.018
  98. Fatma Demir, Duygu Keles, Aliekber Karabag, Ali Cirpan, Levent Toppare “A Novel Multi-Electrochromic Polymer Based On Selenophene And Benzotriazole Via Electrochemical And Chemical Polymerization” Journal of Macromolecular Science, Part A: Pure And Applied Chemistry 56, 3, (2019), 197–205. https://doi.org/10.1080/10601325.2019.1565541
  99. Serife O. Hacioglu, Emre Ataoglu, Gonul Hizalan, Tolga Depci,  Ali Cirpan, Levent Toppare “Thiadiazoloquinoxaline and Benzodithiophene Bearing Polymers for Electrochromic and Organic Photovoltaic Applications” Phosphorus, Sulfur, and Silicon and the Related Elements 2019, VOL. 194, NO. 9, 937–946. https://doi.org/10.1080/10426507.2019.1577847
  100. Tülin Ateş Türkmen, Soner Öztürk, Ali Çırpan, Yusuf Yerli, Emre Aslan, Selin Pıravadılı Mucur, Elif Altürk Parlak “Novel benzodithiophene type low band gap polymer solar cell application and device stability study with atomic layer deposition encapsulation technique” Mater. Res. Express 6 (2019) 105108. https://doi.org/10.1088/2053-1591/ab42a3
  101. Kardelen Goksu, Gonul Hizalan, Yasemin A Udum ,Serife O Hacioglu, Sevki Can Cevher, Akrema, Levent Toppare, Ali Cirpan “Syntheses And Characterization Of Benzotriazole, Thienopyrroledione, And Benzodithiophene Containing Conjugated Random Terpolymers For Organic Solar Cells” Journal of The Electrochemical Society, 166 (15), (2019) H849-H859.https://doi.org/10.1149/2.1161915jes
  102. Sefika Ozcan, Mert C. Erer, Sesha Vempati, Tamer Uyar, Levent Toppare, Ali Cirpan “Graphene oxide doped PEDOT:PSS as hole transport layer in inverted bulk heterojunction solar cell” Journal of Materials Science: Materials in Electronics volume: 31, pages: 3576–3584(2020) https://doi.org/10.1007/s10854-020-02906-w
  103. Gulten Ozkul Atli; Eda Alemdar Yilmaz; Sultan Taskaya Aslan; Yasemin Arslan Udum; Levent Toppare; Ali Cirpan “Synthesis And Characterization Of Optical, Electrochemical And Photovoltaic Properties Of Selenophene Bearing Benzodithiophene Based Alternating Polymers” Journal of Electroanalytical Chemistry 862 (2020) 114014. https://doi.org/10.1016/j.jelechem.2020.114014
  104. Meric Caliskan, Mert Can Erer, Sultan TaSkaya Aslan, Yasemin Arslan Udum, Levent Toppare, Ali Cirpan “Narrow Band Gap Benzodithiophene and Quinoxaline Bearing Conjugated Polymers For Organic Photovoltaic Applications” Dyes and Pigments Volume 180, September 2020, 108479. https://doi.org/10.1016/j.dyepig.2020.108479
  105. Hüseyin Kalay, Deniz Yiğit, Gonul Hizalan, Mustafa Güllü, Tolga Depci, Ali Cirpan, Levent Toppare, Serife O. Hacioglu “Synthesis, electrochromic characterization and solar cell application of thiophene bearing alternating copolymers with azobenzene and coumarin subunits” Journal of Macromolecular Science, Part A: Pure and Applied Chemistry, 2020, VOL. 57, NO. 8, 589–599. https://doi.org/10.1080/10601325.2020.1740598
  106. Umut Bulut, Serdar Şanlı, Sude Dönmez, Şevki Can Cevher , Ali Çırpan and Suna Timur “A Biosensor Platform based on Benzenediamine-Benzodithiophene Polymer for Testosterone Analysis” Journal of Applied Polymer Science, 2020, Volume 137, Issue 43, Article number 49332 https://doi.org/10.1002/app.49332
  107. E. Yıldız, H. H. Gullu, L. Toppare, A. Cirpan “Analysis of temperature-dependent forward and leakage conduction mechanisms in organic thin film heterojunction diode with fluorine-based PCBM blend” Journal of Materials Science: Materials in Electronics (2020) 31:15233–15242 https://doi.org/10.1007/s10854-020-04088-x
  108. Sevki Can Cevher, Gonul Hizalan, Eda Alemdar Yilmaz, Duygu Keles Cevher, Yasemin Udum Arslan, Levent Toppare, Erol Yıldırım, Ali Cirpan “A Comprehensive Study: Theoretical and Experimental Investigation of Heteroatom and Substituent Effect on Frontier Orbitals So as To Polymer Solar Cell Performances” J Polym Sci. 2020;58:2792–2806.http://dx.doi.org/10.1002/pol.20200513
  109. H. Gullu, D. E. Yildiz, L. Toppare, A. Cirpan “Electrical characteristics of organic heterojunction with an alternating benzotriazole and fluorene containing copolymer” J Mater Sci: Mater Electron (2020) 31:18816–18831 https://doi.org/10.1007/s10854-020-04421-4
  110. Şevki Can Cevher, Aybüke Bekmezci, Saniye Söylemez, Yasemin Udum Arslan, Levent Toppare, Ali Çırpan “Indenoquinoxalin Based Conjugated Polymer Substrate For Laccase Biosensor” Materials Chemistry and Physics 2021, Volume 257, 1 January 2021, 123788 https://doi.org/10.1016/j.matchemphys.2020.123788
  111. Mustafa Yasa, Tolga Depci, Eda A. Yilmaz, Serife O. Hacioglu, Ali Cirpan, Levent Toppare “Non-fullerene organic photovoltaics based on thienopyrroledione comprising random copolymers; effect of alkyl chains” Renewable Energy 178 (2021) 202-211. https://doi.org/10.1016/j.renene.2021.06.087
  112. Z. Karaman, S. Göker, Ü. Şahin,  S.O. Hacioglu,  T. Hacıefendioğlu, S.T. Aslan, E. Yıldırım, Ali Çırpan, L. Toppare “Effect of Thiophene, 3-Hexylthiophene, Selenophene, and Thieno[3,2-b]thiophene Spacers on OPV Device Performance of Novel 2,1,3-Benzothiadiazole Based Alternating Copolymers” Journal of Electroanalytical Chemistry 895 (2021) 1154832. https://doi.org/10.1016/j.jelechem.2021.115483
  113. Sultan Taskaya Aslan, Duygu Keleş, Eda Bolayır, Gonul Hizalan Ozsoy, Yasemin Arslan Udum, Erol Yıldırım, Levent Toppare, Ali Cirpan “Synthesis of selenophene substituted benzodithiophene and fluorinated benzothiadiazole based conjugated polymers for organic solar cell application” Electrochimica Acta 398 (2021) 139298. https://doi.org/10.1016/j.electacta.2021.139298
  114. E. Yıldız, D. Cevher, M. Yasa, A. Cirpan, L. Toppare “The selenophene-containing conjugated polymers for electrochromic supercapacitor electrodes” Journal of Polymer Science 60 (2022) 109–121.https://doi.org/10.1002/pol.20210746
  115. T. Aslan, E.A. Yılmaz , T. Hacıefendioğlu , Y.A. Udum , L. Toppare , Erol Yıldırım, Ali Cirpan “Investigation the effect of π bridge and side chain on photovoltaic properties of benzodithiophene and quinoxaline based conjugated polymers” European Polymer Journal 169 (2022) 111141
  116. https://doi.org/10.1016/j.eurpolymj.2022.111141
  117. Umut Bulut, Vuslat Oyku Sayin, S.C. Cevher, A. Cirpan, S. Soylemez “Benzodithiophene bearing conjugated polymer-based surface anchoring for sensitive electrochemical glucose detection” Express Polymer Letters Vol.16, No.10 (2022) 1012–1021.https://doi.org/10.3144/expresspolymlett.2022.74
  118. Sevinc Kurbanoglu, S.C. Cevher, S. Soylemez, A. Cirpan, L. Toppare “Electrochemical biosensor based on three components random conjugated polymer with fullerene (C60)” Bioelectrochemistry 147 (2022) 108219. https://doi.org/10.1016/j.bioelechem.2022.108219
  119. O. Hacioglu, E. Aktas, G. Hizalan, N. Akbasoglu, Ali Cirpan and L. Toppare “Syntheses of novel fluorinated dibenzo[a,c]phenazine comprising polymers for electrochromic device applications” New J. Chem., 2022, 46, 14826–14839. https://doi.org/10.1039/D2NJ02775E