Yazar "Çırpan, Ali" için listeleme
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Dark conduction mechanisms of PTQBDT based heterojunction diode
Güllü, Hasan Hüseyin; Yıldız, Dilber Esra; Hacıoǧlu, Şerife Özdemir; Çırpan, Ali; Toppare, Levent Kamil (Institute of Physics, 2023)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 ... -
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
Karaman, Cansu Zeytun; Göker, Seza; Şahin, Ümmügülsüm; Hacıoğlu, Şerife Özdemir; Aslan, Sultan Taşkaya; Hacıefendioğlu, Tuǧba; Hızalan, Gönül; Yıldırım, Erol; Çırpan, Ali; Toppare, Levent (Elsevier, 2021)Four novel alternating copolymers bearing 5-fluoro-6-((2-octyldodecyl)oxy)benzo[c][1,2,5]thiadiazole as a strong acceptor unit and 9,9-dioctylfluorene as a strong donor unit with bridging units namely, thienothiophene, ... -
Non-fullerene organic photovoltaics based on thienopyrroledione comprising random copolymers; effect of alkyl chains
Yasa, Mustafa; Depci, Tolga; Alemdar, Eda; Hacıoğlu, Şerife Özdemir; Çırpan, Ali; Toppare, Levent (Elsevier, 2021)Two new random donor-acceptor (D-A) copolymers, signed as P1 and P2, were designed and synthesized. Electrochemical and spectroelectrochemical measurements were performed to investigate absorption, energy levels, electronic ... -
Syntheses and Characterization of Benzotriazole, Thienopyrroledione, and Benzodithiophene Containing Conjugated Random Terpolymers for Organic Solar Cells
Göksu, Kardelen; Hızalan, Gönül; Udum, Yasemin Arslan; Hacıoğlu, Şerife Özdemir; Cevher, Şevki Can; Akrema; Toppare, Levent; Çırpan, Ali (Electrochemical Society Inc., 2019)Two random terpolymers bearing alkoxy-benzodithiophene as an electron-rich unit and N-octylthieno[3,4,c]pyrrole-4,6-dione (TPD) as an electron deficient group with thiophene and selenophene pi bridges, were synthesized and ... -
Syntheses of novel fluorinated dibenzo[a,c]phenazine comprising polymers for electrochromic device applications
Hacıoğlu, Şerife Özdemir; Aktaş, Ece; Hızalan, Gönül; Akbaşoğlu, Naime; Çırpan, Ali; Toppare, Levent (Royal Society of Chemistry, 2022)In this study, two novel fluorinated dibenzo[a,c]phenazine derivatives, 2,7-bis(5-bromo-4-hexylthiophen-2-yl)-11-fluorodibenzo[a,c]phenazine (TFBPz) and 2,7-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-11-fluorodibenzo[ ... -
Syntheses of novel fluorinated dibenzo[a,c]phenazine comprising polymers for electrochromic device applications
Hacıoğlu, Şerife Özdemir; Aktaş, Ece; Hızalan, Gönül; Akbaşoğlu, Naime; Çırpan, Ali; Toppare, Levent (Royal Society of Chemistry, 2022)In this study, two novel fluorinated dibenzo[a,c]phenazine derivatives, 2,7-bis(5-bromo-4-hexylthiophen-2-yl)-11-fluorodibenzo[a,c]phenazine (TFBPz) and 2,7-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-11-fluorodibenzo[ ... -
Synthesis, electrochromic characterization and solar cell application of thiophene bearing alternating copolymers with azobenzene and coumarin subunits
Kalay, Hüseyin; Yiğit, Deniz; Hızalan, Gönül; Güllü, Mustafa; Depci, Tolga; Çırpan, Ali; Toppare, Levent; Hacıoğlu, Şerife Özdemir (Taylor & Francis, 2020)In this study, azobenzene and coumarin functionalized thiophene comprising two copolymers (poly (4-((3"'-hexyl-[2,2 ':5 ',2 '':5 '',2"'-tetrathiophene] - 3 '-yl)methoxy) - 2H-chromen-2-one (P1) and poly (1-(4-((4"'-hexyl-[2,2 ... -
Thiadiazoloquinoxaline and benzodithiophene bearing polymers for electrochromic and organic photovoltaic applications
Hacıoğlu, Şerife Özdemir; Ataoğlu, Emre; Hızalan, Gönül; Depci, Tolga; Çırpan, Ali; Toppare, Levent (Taylor & Francis Ltd, 2019)Two novel thiadiazoloquinoxaline and benzodithiophene (BDT) bearing copolymers were designed and synthesized. Different BDT units (alkoxy and thiophene substituted) were used as donor materials and the effect of alkoxy and ...
