Organik güneş hücreleri için fulleren alternatifi karbazol türevi akseptör moleküllerin sentezi, fotofiziksel ve elektrokimyasal özelliklerinin incelenmesi
Synthesis, photophysical and electrochemical characterization of carbazole derivatives acceptor molecules for non-fullerene organic solar cells
Yazar: GÜLAY ZEYNEP GÜNEL
Danışman: PROF. DR. CEYLAN ZAFER
Ege Üniversitesi / Fen Bilimleri Enstitüsü / Güneş Enerjisi Ana Bilim Dalı / Enerji Teknolojisi Bilim Dalı
Derece: Yüksek Lisans, 2022
Konu: Enerji = Energy ; Kimya = Chemistry
Dizin: Elektron donor akseptör = Electron donor acceptor ; Güneş enerjisi = Solar energy ; Karbazoller = Carbazoles

Özet:
Bu tezde organik güneş hücrelerinde kullanılmak üzere fulleren alternatifi üç yeni karbazol türevi akseptör molekül sentezlenmiştir. Moleküller Akseptör-donör-akseptör (A-D-A) şeklinde tasarlanmıştır. Akseptör olarak benzotiyadiazol, 3-etilrodanin ve malononitrile kullanılmıştır. Sentezlenen yarıiletken malzemelerin yapısal karakterizasyonu 1H NMR spektroskopisi, optik ve elektrokimyasal karakterizasyonları ise Uv-Vis absorpsiyon spektroskopisi, fluoresans spektroskopisi ve döngüsel voltammetri (CV) ve termal karakterizasyonu ise diferansiyel taramalı kalorimetre (DSC) teknikleri ile yapılmıştır. Sentezlenen karbazol türevi moleküller; (5Z)-3-ethyl-5-[(6-{[(5Z)-3-ethyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl}-9-hexyl-9H-carbazol-3-yl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one, 2-[(2E)-2-[(6-{[(2E)-1-(dicyanomethylidene)-3-oxo-2,3-dihydro-1H-inden-2-ylidene]methyl}-9-hexyl-9H-carbazol-3-yl)methylidene]-3-oxo-2,3-dihydro-1H-inden-1-ylidene]propanedinitrile, (5Z)-3-ethyl-5-({7-[6-(7-{[(5Z)-3-ethyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl}-2,1,3-benzothiadiazol-4-yl)-9-hexyl-9H-carbazol-3-yl]-2,1,3-benzothiadiazol-4-yl}methylidene)-2-sulfanylidene-1,3-thiazolidin-4-one'dir. Sentezlenen karbazol türevi moleküller organik güneş hücresinde aktif tabakada akseptör olarak öncü çalışmaları yapılmıştır.

Abstract:
In this thesis, three new carbazole derivative non-fullerene acceptors have been synthesized to use in organic solar cells. These molecules are designed as acceptor-donor-acceptor (A-D-A) type. Benzothiadiazole, 3-ethylrodanine and malononitrile were used as acceptors. 1H NMR spectroscopy has been used for the structural characterization, UV-Vis spektroscopy, fluorescence spectroscopy and cyclic voltammetry technique has been analysis to determine optic and electrochemical characterization. Synthesized carbazole derivative molecules; 5Z)-3-ethyl-5-[(6-{[(5Z)-3-ethyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl}-9 -hexyl-9H-carbazol-3-yl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one, 2-[(2E)-2-[(6-{[(2E)] -1-(dicyanomethylidene)-3-oxo-2,3-dihydro-1H-inden-2-ylidene]methyl}-9-hexyl-9H-carbazol-3-yl)methylidene]-3-oxo-2,3-dihydro-1H-inden-1-ylidene]propanedinitrile, (5Z)-3-ethyl-5-({7-[6-(7-{[(5Z)-3-ethyl-4) -oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl}-2,1,3-benzothiadiazol-4-yl)-9-hexyl-9H-carbazol-3-yl]-2,1, 3-benzothiadiazol-4-yl}methylidene)-2-sulfanylidene-1,3-thiazolidin-4-one. Synthesized carbazole-derived molecules have been pioneered as acceptors in the active layer in organic solar cells.