Interface Modification of Dye-sensitized Solar Cells with Pivalic Acid to Enhance the Open-circuit Voltage

被引：15

作者：

Li, Xin ^{[1
,2
]}

Lin, Hong ^{[2
]}

Zakeeruddin, Shaik M. ^{[1
]}

Graetzel, Michael ^{[1
]}

Li, Jianbao ^{[2
]}

机构：

[1] Swiss Fed Inst Technol, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland

[2] Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

来源：

CHEMISTRY LETTERS | 2009年 / 38卷 / 04期

关键词：

TIO2; NANOCRYSTALS; RECOMBINATION; CONVERSION; ELECTRODES; EFFICIENCY; TRANSPORT; LIGHT;

D O I：

10.1246/cl.2009.322

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Pivalic acid (PVA) was used as a new coadsorbent to dyesensitized solar cells (DSCs) to modify the interface between the TiO2 films and electrolyte. The addition of PVA improved the light-to-electricity conversion efficiency of devices by 8% by enhancing the open-circuit voltage.

引用

页码：322 / 323

页数：2

共 14 条

[1] Conversion of sunlight to electric power by nanocrystalline dye-sensitized solar cells [J].

Grätzel, M .

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 2004, 164 (1-3) :3-14

[2] Photoelectrochemical cells [J].

Grätzel, M .

NATURE, 2001, 414 (6861) :338-344

[3] Control of dark current in photoelectrochemical (TiO2/I--I3-) and dye-sensitized solar cells [J].

Ito, S ;

Liska, P ;

Comte, P ;

Charvet, RL ;

Péchy, P ;

Bach, U ;

Schmidt-Mende, L ;

Zakeeruddin, SM ;

Kay, A ;

Nazeeruddin, MK ;

Grätzel, M .

CHEMICAL COMMUNICATIONS, 2005, (34) :4351-4353

[4] Transport-limited recombination of photocarriers in dye-sensitized nanocrystalline TiO2 solar cells [J].

Kopidakis, N ;

Benkstein, KD ;

van de Lagemaat, J ;

Frank, AJ .

JOURNAL OF PHYSICAL CHEMISTRY B, 2003, 107 (41) :11307-11315

[5] Effect of an adsorbent on recombination and band-edge movement in dye-sensitized TiO2 solar cells:: Evidence for surface passivation [J].

Kopidakis, Nikos ;

Neale, Nathan R. ;

Frank, Arthur J. .

JOURNAL OF PHYSICAL CHEMISTRY B, 2006, 110 (25) :12485-12489

[6] A numerical simulation and impedance study of the electron transport and recombination in binder-free TiO2 film for flexible dye-sensitized solar cells [J].

Li, Xin ;

Lin, Hong ;

Li, Jianbao ;

Li, Xiaxi ;

Cui, Bai ;

Zhang, Luozheng .

JOURNAL OF PHYSICAL CHEMISTRY C, 2008, 112 (35) :13744-13753

[7] CONVERSION OF LIGHT TO ELECTRICITY BY CIS-X2BIS(2,2'-BIPYRIDYL-4,4'-DICARBOXYLATE)RUTHENIUM(II) CHARGE-TRANSFER SENSITIZERS (X = CL-, BR-, I-, CN-, AND SCN-) ON NANOCRYSTALLINE TIO2 ELECTRODES [J].

NAZEERUDDIN, MK ;

KAY, A ;

RODICIO, I ;

HUMPHRYBAKER, R ;

MULLER, E ;

LISKA, P ;

VLACHOPOULOS, N ;

GRATZEL, M .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1993, 115 (14) :6382-6390

[8] A LOW-COST, HIGH-EFFICIENCY SOLAR-CELL BASED ON DYE-SENSITIZED COLLOIDAL TIO2 FILMS [J].

OREGAN, B ;

GRATZEL, M .

NATURE, 1991, 353 (6346) :737-740

[9] Molecular adjustment of the electronic properties of nanoporous electrodes in dye-sensitized solar cells [J].

Rühle, S ;

Greenshtein, M ;

Chen, SG ;

Merson, A ;

Pizem, H ;

Sukenik, CS ;

Cahen, D ;

Zaban, A .

JOURNAL OF PHYSICAL CHEMISTRY B, 2005, 109 (40) :18907-18913

[10] Charge separation and efficient light energy conversion in sensitized mesoscopic solar cells based on binary ionic liquids [J].

Wang, P ;

Wenger, B ;

Humphry-Baker, R ;

Moser, JE ;

Teuscher, J ;

Kantlehner, W ;

Mezger, J ;

Stoyanov, EV ;

Zakeeruddin, SM ;

Grätzel, M .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (18) :6850-6856

← 1 2 →