Department of Chemistry
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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...
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...
Non-fullerene organic photovoltaics based on thienopyrroledione comprising random copolymers; effect of alkyl chains
Yasa, Mustafa; Yılmaz, Ayşen; Alemdar, Eda; Hacioglu, Serife O.; Çırpan, Ali; Toppare, Levent Kamil (2021-11-01)
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, electroni...
Selenophene-containing conjugated polymers for supercapacitor electrodes
Yildiz, Dilber Esra; Cevher, Duygu; Yasa, Mustafa; Çırpan, Ali; Toppare, Levent Kamil (2021-10-01)
In recent years, studies on conjugated polymers have strengthened the researchers' thought that such polymers can play an essential role in developing new generation energy storage devices. Hence conjugated polymer superca...
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
Zeytun Karaman, Cansu; Göker, Seza; Şahin, Ümmügülsüm; Hacıoğlu Özdemir, Şerife; Taşkaya Aslan, Sultan; Hacıefendioğlu, Tuğba; Hızalan, Gönül; Yıldırım, Erol; Çırpan, Ali; Toppare, Levent Kamil (2021-06-01)
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, sel...
Indenoquinoxalinone based conjugated polymer substrate for laccase biosensor
Cevher, Şevki Can; Çırpan, Ali; Bekmezci, Sıddıka Aybüke; Soylemez, Saniye; Udum, Yasemin Arslan; Toppare, Levent Kamil (Elsevier BV, 2021-01-01)
This paper describes the synthesis and characterization of a novel monomer (6,9-bis(4-hexylthiophen-2-yl)-11H-indeno[2,1-b]quinoxalin-11-one (M1)). M1 monomer was electrochemically polymerized on the electrode surface and ...
Non-fullerene organic solar cells based on thienopyrroledione comprising random copolymers; effect of alkyl chains
Yaşa, Mustafa; Depci, Tolga; Alemdar, Eda; Özdemir Hacioğlu, Şerife; Çırpan, Ali; Toppare, Levent Kamil (null; 2020-12-09)
Two new random copolymers, signed as P1 and P2, were designed and synthesized. 5-(2-ethylhexyl)-4Hthieno[3,4-c]pyrrole-4,6(5H)-dione (TPD) was utilized as electron-accepting moiety whereas selenophenewas utilized as spacer...
Taşkaya Aslan, Sultan; Çırpan, Ali; Öztürk, Soner (2020-12-03)
Synthesis, characterization, and photovoltaic properties of dithienyl benzooxadiazole based polymers for high performance organic solar cells
Karakurt, Oğuzhan; Alemdar, Eda; Çırpan, Ali (2020-12-02)
Efficient Green OLEDs based on Thermally Activated Delayed Fluorescence Butterfly-shape Emitter
Alemdar, Eda; Günbaş, Emrullah Görkem; Oral, Ahmet; Çırpan, Ali (2020-11-30)
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