Dye-sensitized solar cells, based on electrochemically functionalized porphyrins

被引：6

作者：

Adineh, Maryam ^{[1
]}

Tahay, Pooya ^{[1
]}

Shahrjerdi, Akram ^{[1
]}

Davarani, Seyed Saeed Hoseini ^{[1
]}

Safari, Nasser ^{[1
]}

机构：

[1] Shahid Beheshti Univ, Dept Chem, Tehran 1983963113, Iran

来源：

JOURNAL OF THE IRANIAN CHEMICAL SOCIETY | 2016年 / 13卷 / 07期

基金：

美国国家科学基金会;

关键词：

Dye-sensitized solar cells; Porphyrincatechol; Electrochemically functionalized porphyrin; Indirect electron injection pathway; PHOTOINDUCED ELECTRON-TRANSFER; CHARGE-TRANSFER SENSITIZERS; ZINC PHTHALOCYANINES; ANCHORING GROUP; ORGANIC-DYE; TIO2; CATECHOL; CONVERSION; PHOTOSENSITIZERS; EFFICIENCY;

D O I：

10.1007/s13738-016-0850-x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The applications of electrochemically functionalized porphyrin have been considered in dye-sensitized solar cells (DSSCs). A porphyrin-catechol derivative has been electrochemically functionalized with a sulfur-contained, 2-mercaptobenzothiazole moiety and was tested as dye. Catechol moiety acts as the anchoring group in these types of dyes. The IPCE result confirmed that photocurrents for DSSCs based on porphyrin-catechol dyes are mainly generated by an indirect electron injection pathway (Type I mechanism).The cells made with this porphyrin were stable and showed no significant desorption of dye from the TiO2 surface after days. Electrochemically functionalized porphyrin-catechol showed almost 100 % enhancement in efficiency compared to bare porphyrin-catechol. The effect of different additives on cell performance was also tested. Electrochemically functionalized porphyrin catechol, in the presence of chenodeoxycholic acid had a record performance with a conversion efficiency of 0.6 % under AM 1.5 irradiation. A porphyrincatechol derivative has been prepared via electrosynthesis with a sulfur contained, 2-mercaptobenzothiazole moiety and was tested as dye. Catechol moiety acts as the anchoring group in these types of dyes. The IPCE result confirmed that photocurrents for DSSCs based on porphyrincatechol dyes are mainly generated by an indirect electron-injection pathway (Type I mechanism). [GRAPHICS] .

引用

页码：1357 / 1365

页数：9

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