Yazar "Toppare, Levent" için listeleme
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Altering Electronic and Optical Properties of Novel Benzothiadiazole Comprising Homopolymers via π Bridges
Karaman, Cansu Zeytun; Göker, Seza; Hacıoğlu, Şerife Özdemir; Hacıefendioğlu, Tuǧba; Yıldırım, Erol; Toppare, Levent (IOP Publishing, 2021)Four novel benzo[c][1,2,5]thiadiazole comprising monomers namely 5-fluoro-6-((2-octyldodecyl)oxy)-4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole (TBTT), 5-fluoro-4,7-bis(4-hexylthiophen-2-yl)-6-((2-octyldodecyl)oxy)benz ... -
Cobalt-doped MoO3 thin films and dual-band electrochromic devices with excellent cyclic stability
Tutel, Yusuf; Durukan, Mete Batuhan; Hacıoǧlu, Şerife Özdemir; Başköse, Ümran Ceren; Toppare, Levent; Ünalan, Hüsnü Emrah (Elsevier, 2023)Electrochromic (EC) technology has played a pivotal role in elevating the prominence of smart windows by enabling them to alter their color and effectively manage the level of transparency. Nanostructured molybdenum trioxide ... -
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, ... -
Enhancing electrochemical and electrochromic performances of carbazole comprising monomer via copolymerization with 3,4-ethylenedioxythiophene (EDOT)
Kalay, Işıl; Yiğit, Deniz; Güllü, Mustafa; Depci, Tolga; Toppare, Levent; Hacıoğlu, Şerife Özdemir (Elsevier, 2020)In this study, two novel electrochromic copolymers (CoP1.3 and CoP1.5) were synthesized via electrochemical methods and characterized. The comonomers used in the synthesis were 3,4-ethylenedioxythiophene (EDOT) and a ... -
Multipurpose acetic acid functionalized carbazole derivatives: Synthesis, electrochemical properties and electrochromic device applications
Hacıoğlu, Şerife Özdemir; Yiğit, Deniz; Akbey, Tuba E.; Udum, Yasemin Arslan; Güllü, Mustafa; Depci, Tolga; Toppare, Levent (Elsevier, 2022)In this study, synthesis of two multifunctional acetic acid functionalized carbazole bearing monomers; 2-(3,6-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-9H-carbazol-9-yl)acetic acid (M1) and 3,6-dithien-2-yl-9H-carbaz ... -
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 of a Multifunctional Quinoxaline and Benzodithiophene Bearing Polymer and Its Electrochromic Device Applications
Yaşa, Mustafa; Sürmeli, Seher; Depci, Tolga; Toppare, Levent; Hacıoğlu, Şerife Özdemir (Wiley-V C H Verlag Gmbh, 2020)A quinoxaline (Qx) and benzodithiophene (BDT) comprising of random copolymers, namely poly(5-(6-(5-(4,8-bis((2-ethylhexyl)oxy)benzo[1,2-b:4,5-b ']dithiophen-2-yl)-4-(2-ethylhexyl)thiophen-2-yl)-4,8-bis ((2-ethylhexyl)oxy ... -
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 ...
