Fabrication of dye-sensitized solar cells based on push-pull asymmetrical substituted zinc and copper phthalocyanines and reduced graphene oxide nanosheets

被引：18

作者：

Chindeka, Francis ^{[1
]}

Mashazi, Philani ^{[1
]}

Britton, Jonathan ^{[1
]}

Oluwole, David O. ^{[1
]}

Mapukata, Sivuyisiwe ^{[1
]}

Nyokong, Tebello ^{[1
]}

机构：

[1] Rhodes Univ, Inst Nanotechnol Innovat, Dept Chem, ZA-6140 Grahamstown, South Africa

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2020年 / 399卷

基金：

新加坡国家研究基金会;

关键词：

Dye-sensitized solar cells; Push-pull phthalocyanine; Reduced graphene oxide nanosheets; Fill factor and power conversion efficiency; NANOCRYSTALLINE TIO2 FILMS; EFFICIENCY; COMPLEXES; BEHAVIOR; SURFACE;

D O I：

10.1016/j.jphotochem.2020.112612

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Dye sensitized solar cells (DSSCs) were fabricated by using 2(3,5-biscarboxyphenoxy), 9(10), 16(17), 23(24)-tri(tertbutyl) phthalocyaninato Cu (4) and Zn (5) complexes as dyes on the ITO-TiO2 photoanodes containing reduced graphene oxide nanosheets (rGONS) or nitrogen-doped rGONS (NrGONS). The evaluation of the assembled DSSCs revealed that using ITO-TiO2-NrGONS-CuPc photoanode had the highest fill factor (FF) and power conversion efficiency (eta) of 69% and 4.36% respectively. These results show that the asymmetrical phthalocyanine complexes (4) and (5) exhibit significant improvement on the performance of the DSSC compared to our previous work on symmetrical carboxylated phthalocyanines with eta = 3.19%.

引用

页数：9

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