Department of Chemistry
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Dark conduction mechanisms of PTQBDT based heterojunction diode
Gullu, H. H.; Yildiz, D. E.; Hacioglu, S. O.; Çırpan, Ali; Toppare, Levent Kamil (2023-01-01)
Al:LiF/PTQBT:PCBM/PEDOT:PSS/ITO/glass organic-based diode is fabricated with different weight ratios in PTQBT:PCBM active layer. The diodes D1, D2 and D3 are prepared using the precursor solution for spin coating process a...
A flexible carbon nanofiber and conjugated polymer-based electrode for glucose sensing
BULUT, Umut; Oyku Sayin, Vuslat; Altin, Yasin; Can Cevher, Sevki; Çırpan, Ali; Celik Bedeloglu, Ayse; Soylemez, Saniye (2023-01-01)
© 2022 Elsevier B.V.Herein, a specific and stable biosensor for glucose using a flexible, modified electrode with a carbon nanofiber (CNF) and a novel conjugated polymer including three moieties of benzotriazole, benzodith...
Boosting the efficiency of organic solar cells via plasmonic gold nanoparticles and thiol functionalized conjugated polymer
Karakurt, Oğuzhan; Alemdar, Eda; Erer, Mert Can; Cevher, Duygu; Gulmez, Selin; Taylan, Umut; Cevher, Sevki Can; Ozsoy, Gonul Hizalan; Ortac, Bulend; Çırpan, Ali (2022-12-01)
© 2022 Elsevier LtdConjugated polymers are promising low-cost, lightweight, and flexible candidates for scalable photovoltaic applications to establish decarbonized energy technologies. However, they possess deficiencies i...
Benzodithiophene bearing conjugated polymer-based surface anchoring for sensitive electrochemical glucose detection
BULUT, Umut; SAYIN, Vuslat Öykü; Cevher, Sevki Can; Çırpan, Ali; Soylemez, Saniye (2022-10-01)
An amino-functionalized, conjugated polymer (P(BDBT)) modified glassy carbon electrode (GCE) was employed as an immobilization platform for glucose oxidase (GOx) enzyme to assemble a novel glucose biosensor. Amino groups a...
Electrochemical biosensor based on three components random conjugated polymer with fullerene (C60)
KURBANOĞLU, SEVİNÇ; Cevher, Sevki Can; Toppare, Levent Kamil; Çırpan, Ali; Soylemez, Saniye (2022-10-01)
© 2022 Elsevier B.V.Herein, a conjugated polymer and fullerene bearing architecture-based electrochemical Tyrosinase (Tyr) enzyme inhibition biosensor for indomethacin (INDO) drug active compound has been developed. For th...
Syntheses of novel fluorinated dibenzo[a,c]phenazine comprising polymers for electrochromic device applications
Hacioglu, Serife O.; Aktas, Ece; Hizalan, Gonul; Akbasoglu, Naime; Çırpan, Ali; Toppare, Levent Kamil (2022-7-01)
In this study, two novel fluorinated dibenzo[a,c]phenazine derivatives, 2,7-bis(5-bromo-4-hexylthiophen2-yl)-11-fluorodibenzo[a,c]phenazine (TFBPz) and 2,7-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-11- fluorodibenzo[a...
Altın Nanoparçacıklarla katkılanan Tiyol Uçlu Polimerin Güneş Hücresi Performasına Etkileri
Çırpan, Ali (2022-06-20)
Bu çalışmada, altın nanoparçacıklarla katkılanan tiyol uçlu polimerlerin güneş hücresi performasına etkisi incelenmiştir. Bu amaçla, tiyol grubu içeren polimerler dizayn edilmiştir. Tasarlanan ve sentezlenen yeni konjüge...
Investigation the effect of π bridge and side chain on photovoltaic properties of benzodithiophene and quinoxaline based conjugated polymers
Taşkaya Aslan, Sultan; Alemdar, Eda; Hacıefendioğlu, Tuğba; UDUM, YASEMİN; Toppare, Levent Kamil; Yıldırım, Erol; Çırpan, Ali (2022-04-15)
© 2022 Elsevier LtdA series of donor–acceptor type alternative polymers containing 2D-BDT and 1D-BDT as the donors and quinoxaline as the acceptor were successfully obtained by Stille coupling reactions. Synthesized polyme...
Rational Molecular Design Enables Efficient Blue TADF−OLEDs with Flexible Graphene Substrate
Sharif, Parisa; Alemdar, Eda; Ozturk, Soner; Caylan, Omer; Haciefendioglu, Tugba; Buke, Goknur; Aydemir, Murat; Danos, Andrew; Monkman, Andrew P.; Yıldırım, Erol; Gunbas, Gorkem; Çırpan, Ali; Oral, Ahmet (2022-01-01)
© 2022 Wiley-VCH GmbH.Observation of thermally activated delayed fluorescence (TADF) in conjugated systems redefined the molecular design approach to realize highly efficient organic light emitting diodes (OLEDs) in the ea...
Synthesis of selenophene substituted benzodithiophene and fluorinated benzothiadiazole based conjugated polymers for organic solar cell applications
Cevher, Duygu; Taşkaya Aslan, Sultan; Bolayır, Eda; Hizalan Ozsoy, Gonul; UDUM, YASEMİN; Yıldırım, Erol; Toppare, Levent Kamil; Çırpan, Ali (2021-12-01)
A series of alternating conjugated copolymers which contain selenophene modified benzodithiophene and fluorine bearing benzothiadiazole have been synthesized via Stille polycondensation reaction to investigate the effect o...
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