Aggregation-Free Organic Dyes Featuring Spiro[dibenzo[3,4:6,7]cyclohepta[1,2-b]quinoxaline-10,9′-fluorene] (SDBQX) for Dye-Sensitized Solar Cells

被引：7

作者：

Fang, Jing-Kun ^{[1
]}

Xu, Mengchen ^{[1
]}

Hu, Xiangyu ^{[1
]}

Wu, Chunxia ^{[2
,3
]}

Lu, Shuang ^{[2
,3
,6
]}

Yu, Hui-Juan ^{[4
,5
]}

Bao, Xin ^{[1
]}

Wang, Yinglin ^{[2
,3
]}

Shao, Guang ^{[4
,5
]}

Liu, Wei ^{[7
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Chem Engn, Dept Chem, Nanjing 210094, Jiangsu, Peoples R China

[2] Northeast Normal Univ, Ctr Adv Optoelect Funct Mat Res, Changchun 130024, Jilin, Peoples R China

[3] Northeast Normal Univ, Key Lab UV Emitting Mat & Technol, Minist Educ, Changchun 130024, Jilin, Peoples R China

[4] Sun Yat Sen Univ, Sch Chem, Guangzhou 510275, Guangdong, Peoples R China

[5] Sun Yat Sen Univ, Shenzhen Res Inst, Shenzhen 518057, Peoples R China

[6] Hebei Agr Univ, Cangzhou 061100, Peoples R China

[7] Chengde Huakan 514 Geol Mineral Testing Res Co Lt, Chengde 067000, Peoples R China

来源：

GLOBAL CHALLENGES | 2019年 / 3卷 / 10期

基金：

中国国家自然科学基金;

关键词：

aggregation-free; chenodeoxycholic acid; dye-sensitized solar cells; organic dyes; HIGHLY EFFICIENT; INSIGHT; MOIETY; DONOR;

D O I：

10.1002/gch2.201900034

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Three novel organic dyes coded as FHD4-1, FHD4-2, and FHD4-3 featuring spiro[dibenzo[3,4:6,7]cyclohepta[1,2-b]quinoxaline-10,9 '-fluorene] (SDBQX) moieties are designed to inhibit dye aggregation to improve the performance of dye-sensitized solar cells (DSSCs). The consistent absorption onsets of FHD4-1, FHD4-2, and FHD4-3 in solutions and adsorbed on TiO2 films indicate that these dyes are aggregation-free dyes. Therefore, coadsorption with chenodeoxycholic acid (CDCA) of these three dyes reduces the performance of DSSCs because no inhibition effect for dye aggregation is needed, but, on the contrary, the dye loading amount is reduced after addition of CDCA.

引用

页数：6

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