A dye-sensitized photo-supercapacitor based on PProDOT-Et2 thick films

被引：92

作者：

Hsu, Chih-Yu ^{[1
]}

Chen, Hsin-Wei ^{[1
]}

Lee, Kun-Mu ^{[2
]}

Hu, Chih-Wei ^{[3
]}

Ho, Kuo-Chuan ^{[1
,3
]}

机构：

[1] Natl Taiwan Univ, Dept Chem Engn, Taipei 10617, Taiwan

[2] Ind Technol Res Inst, Photovolta Technol Ctr, Hsinchu 31040, Taiwan

[3] Natl Taiwan Univ, Inst Polymer Sci & Engn, Taipei 10617, Taiwan

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 18期

关键词：

Charge transfer; Dye-sensitized solar cell (DSSC); Photocapacitor; PProDOT-Et-2; Supercapacitor; ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; SOLAR-CELL; POLY(3,4-ALKYLENEDIOXYTHIOPHENE) DERIVATIVES; HIGH-CONTRAST; ELECTRODES; POLY(3,4-ETHYLENEDIOXYTHIOPHENE); BATTERY; POLYMER; PHOTOCAPACITOR; CAPACITORS;

D O I：

10.1016/j.jpowsour.2009.12.099

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A photo-rechargeable supercapacitor (photo-supercapacitor, or PSC) is studied using a N3-dye adsorbed TiO2 photoelectrode and PProDOT-Et-2 poly(3,3-diethyl-3,4-dihydro-2H-thieno-[3,4-b][1,4]dioxepine) polymer films as supercapacitor materials for electron storage. The PSC device, comprising a dye-sensitized solar cell (DSSC) and a supercapacitor (SC), can store the photo-to-electric energy. The PProDOT-Et-2 films are potentiostatically electropolymerized to form thick films (ca. 0.5 mm) with a specific capacitance of ca. 6.5 F cm(-2). A symmetrical (p/p) supercapacitor, with PProDOT-Et-2 coated on both electrodes, is also characterized before fabricating the three-electrode PSC. The PSC is tested under light illumination of 100 mW cm(-2), and attaining a photocharged voltage of 0.75 V and a discharged energy density of 21.3 mu Wh cm(-2). (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：6232 / 6238

页数：7

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