Free-Standing Graphene/Conducting Polymer Hybrid Cathodes as FTO and Pt-Free Electrode for Quasi-State Dye Sensitized Solar Cells

被引：10

作者：

Ramalingam, Karthick ^{[1
,2
,3
]}

Panchu, SarojiniJeeva ^{[1
,2
]}

Salunke, Ashish Shivaji ^{[1
]}

Muthukumar, Kamalambika ^{[1
]}

Ramanujam, Ashwin ^{[1
]}

Muthiah, Selvaraj ^{[1
,2
,3
]}

机构：

[1] Cent Electrochem Res Inst, CSIR, Karaikkudi 630003, Tamil Nadu, India

[2] Cent Electrochem Res Inst, CSIR, CSIR Network Inst Solar Energy, Karaikkudi 630003, Tamil Nadu, India

[3] CSIR, Acad Sci & Innovat Res, CSIR Campus, Madras 600113, Tamil Nadu, India

来源：

CHEMISTRYSELECT | 2016年 / 1卷 / 15期

关键词：

conducting polymer; counter electrode; freestanding graphene; quasi-dye sensitized solar cell; FREE COUNTER ELECTRODE; GRAPHENE OXIDE; HIGH-PERFORMANCE; ELECTROPOLYMERIZATION; DEGRADATION; FABRICATION; REDUCTION; FILMS;

D O I：

10.1002/slct.201600874

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Highly conducting freestanding graphene (FSG) was synthesized by the simple vacuum filtration method and utilized as a cathode current collector for (fluorine doped tin oxide) FTO free quasi-dye sensitized solar cell (q-DSSC). Subsequently, conducting polymers (CPs) viz., polyaniline (PANI) and poly(3,4-ethylene-di-oxythiophene) (PEDOT) was decorated on FSG surface by electrochemical polymerization which acts as a electrocatalytst for Pt free q-DSSC. Entirely, the FSG/CPs affords as a novel cathode architecture for FTO/Pt free electrode for q-DSSCs. Remarkably, the FSG paper electrode exhibits lower sheet resistance (9-11 Omega sq(-1)) than the FTO which was directly utilized as current collector. Interestingly, the FSG/CPs based cathode shows an improved electro-catalytic behaviour towards tri-iodide reduction and in particularly, the photovoltaic performance of FSG/PEDOT shows power conversion efficiency (PCE) of 5.4% compared with Pt/FTO of 5.1%. It can be stated that synergetic effect of FSG/PEDOT proves to be a cost effective and efficientsubstitute for cathodes in q-DSSC.

引用

页码：4814 / 4822

页数：9

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