Enhanced performance of polymer: fullerene bulk heterojunction solar cells upon graphene addition

被引：52

作者：

Robaeys, Pieter ^{[1
]}

Bonaccorso, Francesco ^{[2
,3
]}

Bourgeois, Emilie ^{[1
,4
]}

D'Haen, Jan ^{[1
,4
]}

Dierckx, Wouter ^{[1
]}

Dexters, Wim ^{[1
]}

Spoltore, Donato ^{[1
]}

Drijkoningen, Jeroen ^{[1
]}

Liesenborgs, Jori ^{[5
]}

Lombardo, Antonio ^{[2
]}

Ferrari, Andrea C. ^{[2
]}

Van Reeth, Frank ^{[5
]}

Haenen, Ken ^{[1
,4
]}

Manca, Jean V. ^{[1
,4
]}

Nesladek, Milos ^{[1
,4
]}

机构：

[1] Hasselt Univ, Inst Mat Res IMO, Diepenbeek, Belgium

[2] Univ Cambridge, Cambridge Graphene Ctr, Cambridge, England

[3] Ist Italiano Tecnol, Graphene Labs, I-16163 Genoa, Italy

[4] IMEC VZW, IMOMEC, Leuven, Belgium

[5] Hasselt Univ, Expertise Ctr Digital Media EDM, Diepenbeek, Belgium

来源：

APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 08期

基金：

英国工程与自然科学研究理事会; 欧洲研究理事会;

关键词：

OPEN-CIRCUIT VOLTAGE; HOLE TRANSPORT LAYER; PHASE EXFOLIATION; RAMAN-SPECTRUM; ORIGIN; BLENDS; OXIDE;

D O I：

10.1063/1.4893777

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Graphene has potential for applications in solar cells. We show that the short circuit current density of P3HT (Poly(3-hexylthiophene-2,5-diyl):PCBM((6,6)-Phenyl C61 butyric acid methyl ester) solar cells is enhanced by 10% upon the addition of graphene, with a 15% increase in the photon to electric conversion efficiency. We discuss the performance enhancement by studying the crystallization of P3HT, as well as the electrical transport properties. We show that graphene improves the balance between electron and hole mobilities with respect to a standard P3HT:PCBM solar cell. (C) 2014 AIP Publishing LLC.

引用

页数：5

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