Charge generation in polymer-fullerene bulk-heterojunction solar cells

被引：181

作者：

Gao, Feng ^{[1
]}

Inganas, Olle

机构：

[1] Linkoping Univ, IFM, SE-58183 Linkoping, Sweden

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2014年 / 16卷 / 38期

关键词：

OPEN-CIRCUIT VOLTAGE; PHOTOINDUCED ELECTRON-TRANSFER; INTERNAL QUANTUM EFFICIENCY; HOT EXCITON DISSOCIATION; CONJUGATED POLYMERS; TRANSFER STATE; PHOTOVOLTAIC CELLS; BIMOLECULAR RECOMBINATION; CARRIER GENERATION; BLEND FILMS;

D O I：

10.1039/c4cp01814a

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：

Charge generation in organic solar cells is a fundamental yet heavily debated issue. This article gives a balanced review of different mechanisms proposed to explain efficient charge generation in polymer-fullerene bulk-heterojunction solar cells. We discuss the effect of charge-transfer states, excess energy, external electric field, temperature, disorder of the materials, and delocalisation of the charge carriers on charge generation. Although a general consensus has not been reached yet, recent findings, based on both steady-state and transient measurements, have significantly advanced our understanding of this process.

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页码：20291 / 20304

页数：14

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