Increasing Photocurrents in Dye Sensitized Solar Cells with Tantalum-Doped Titanium Oxide Photoanodes Obtained by Laser Ablation

被引：28

作者：

Ghosh, Rudresh ^{[1
]}

Hara, Yukihiro ^{[1
]}

Aibabaei, Leila ^{[1
,2
]}

Hanson, Kenneth ^{[2
]}

Rangan, Sylvie ^{[3
]}

Bartynski, Robert ^{[3
]}

Meyer, Thomas J. ^{[2
]}

Lopez, Rene ^{[1
]}

机构：

[1] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27515 USA

[2] Univ N Carolina, Dept Chem, Chapel Hill, NC USA

[3] Rutgers State Univ, Dept Phys, Piscataway, NJ 08855 USA

来源：

ACS APPLIED MATERIALS & INTERFACES | 2012年 / 4卷 / 09期

基金：

美国国家科学基金会;

关键词：

dye sensitized solar cells; pulsed laser deposition; tantalum-doped titanium oxide; emerging photovoltaics; photocurrent; electrochemical impedance spectroscopy; TRANSPARENT CONDUCTING OXIDE; CHARGE RECOMBINATION; NANOWIRE ARRAYS; TIO2; PHOTOANODE; SURFACE-AREA; DEPOSITION; EFFICIENCY; NANOTUBES; TRANSPORT; FILMS;

D O I：

10.1021/am300938g

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Laser ablation is employed to produce vertically aligned nanostructured films of undoped and tantalum-doped TiO2 nanoparticles. Dye-sensitized solar cells using the two different materials are compared. Tantalum-doped TiO2 photoanode show 65% increase in photocurrents and around 39% improvement in overall cell efficiency compared to undoped TiO2. Electrochemical impedance spectroscopy, Mott-Schottky analysis and open circuit voltage decay is used to investigate the cause of this improved performance. The enhanced performance is attributed to a combination of increased electron concentration in the semiconductor and a reduced electron recombination rate.

引用

页码：4566 / 4570

页数：5

共 23 条

[11] Photovoltaic performance improvement of dye-sensitized solar cells based on tantalum-doped TiO2 thin films [J].

Liu, Jia ;

Yang, Haotian ;

Tan, Weiwei ;

Zhou, Xiaowen ;

Lin, Yuan .

ELECTROCHIMICA ACTA, 2010, 56 (01) :396-400

[12] Improved-Performance Dye-Sensitized Solar Cells Using Nb-Doped TiO2 Electrodes: Efficient Electron Injection and Transfer [J].

Lue, Xujie ;

Mou, Xinliang ;

Wu, Jianjun ;

Zhang, Dingwen ;

Zhang, Linlin ;

Huang, Fuqiang ;

Xu, Fangfang ;

Huang, Sumei .

ADVANCED FUNCTIONAL MATERIALS, 2010, 20 (03) :509-515

[13] Aligned Photoelectrodes with Large Surface Area Prepared by Pulsed Laser Deposition [J].

Noh, Jun Hong ;

Park, Jong Hoon ;

Han, Hyun Soo ;

Kim, Dong Hoe ;

Han, Byung Suh ;

Lee, Sangwook ;

Kim, Jin Young ;

Jung, Hyun Suk ;

Hong, Kug Sun .

JOURNAL OF PHYSICAL CHEMISTRY C, 2012, 116 (14) :8102-8110

[14]

O'Regan B., 1991, NATURE, V353, P3103

[15] A new benchmark for TiO2 nanotube array growth by anodization [J].

Prakasam, Haripriya E. ;

Shankar, Karthik ;

Paulose, Maggie ;

Varghese, Oomman K. ;

Grimes, Craig A. .

JOURNAL OF PHYSICAL CHEMISTRY C, 2007, 111 (20) :7235-7241

[16] TiO2-Coated Multilayered SnO2 Hollow Microspheres for Dye-Sensitized Solar Cells [J].

Qian, Jiangfeng ;

Liu, Ping ;

Xiao, Yang ;

Jiang, Yan ;

Cao, Yuliang ;

Ai, Xinping ;

Yang, Hanxi .

ADVANCED MATERIALS, 2009, 21 (36) :3663-+

[17] Hierarchical TiO2 Photoanode for Dye-Sensitized Solar Cells [J].

Sauvage, F. ;

Di Fonzo, F. ;

Bassi, A. Li ;

Casari, C. S. ;

Russo, V. ;

Divitini, G. ;

Ducati, C. ;

Bottani, C. E. ;

Comte, P. ;

Graetzel, M. .

NANO LETTERS, 2010, 10 (07) :2562-2567

[18]

Varghese OK, 2009, NAT NANOTECHNOL, V4, P592, DOI [10.1038/nnano.2009.226, 10.1038/NNANO.2009.226]

[19] Significant influence of TiO2 photoelectrode morphology on the energy conversion efficiency of N719 dye-sensitized solar cell [J].

Wang, ZS ;

Kawauchi, H ;

Kashima, T ;

Arakawa, H .

COORDINATION CHEMISTRY REVIEWS, 2004, 248 (13-14) :1381-1389

[20] Mesophase ordering and macroscopic morphology structuring of mesoporous TiO2 film [J].

Yong, M. J. Q. ;

Wong, A. S. W. ;

Ho, G. W. .

MATERIALS CHEMISTRY AND PHYSICS, 2009, 116 (2-3) :563-568

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