Can aliphatic anchoring groups be utilised with dyes for p-type dye sensitized solar cells?

被引：24

作者：

Hao, Yan ^{[1
]}

Wood, Christopher J. ^{[2
,3
]}

Clark, Charlotte A. ^{[2
]}

Calladine, James A. ^{[2
]}

Horvath, Raphael ^{[2
]}

Hanson-Heine, Magnus W. D. ^{[2
]}

Sun, Xue-Zhong ^{[2
]}

Clark, Ian P. ^{[4
]}

Towrie, Michael ^{[4
]}

George, Michael W. ^{[2
,5
]}

Yang, Xichuan ^{[1
]}

Sun, Licheng ^{[1
,6
]}

Gibson, Elizabeth A. ^{[2
,3
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, DUT KTH Joint Res Ctr Mol Devices, Dalian, Peoples R China

[2] Univ Nottingham, Sch Chem, Univ Pk, Nottingham NG7 2RD, England

[3] Newcastle Univ, Sch Chem, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

[4] Rutherford Appleton Lab, Facil Council, Cent Laser Facil, Res Complex Harwell Sci & Technol, Harwell Campus, Didcot OX11 0QX, Oxon, England

[5] Univ Nottingham Ningbo China, Dept Chem & Environm Engn, 199 Talking East Rd, Ningbo 315100, Zhejiang, Peoples R China

[6] KTH Royal Inst Technol, Dept Chem, SE-10044 Stockholm, Sweden

来源：

DALTON TRANSACTIONS | 2016年 / 45卷 / 18期

关键词：

TETRAHYDROQUINOLINE DYES; ACCEPTOR DYES; STATE; RECOMBINATION; PHOTOCURRENTS; EFFICIENCY; INJECTION; MOLECULES; SQUARAINE; LINKER;

D O I：

10.1039/c6dt00146g

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of novel laterally anchoring tetrahydroquinoline derivatives have been synthesized and investigated for their use in NiO-based p-type dye-sensitized solar cells. The kinetics of charge injection and recombination at the NiO-dye interface for these dyes have been thoroughly investigated using pico-second transient absorption and time-resolved infrared measurements. It was revealed that despite the anchoring unit being electronically decoupled from the dye structure, charge injection occurred on a sub picosecond timescale. However, rapid recombination was also observed due to the close proximity of the electron acceptor on the dyes to the NiO surface, ultimately limiting the performance of the p-DSCs.

引用

页码：7708 / 7719

页数：12

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