Analysis of surface morphological changes in organic photovoltaic devices: bilayer versus bulk-heterojunction

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The active layer of photovoltaic devices with a donor-acceptor polymer-based bilayer or bulk heterojunction (BHJ) can be easily degraded by oxygen, water content, and aging at high temperature. This type of negative effect has hindered the commercialization of organic solar cells. This paper reports on a study of the degradation behavior of a poly(3-hexylthiophene) (P3HT)/[6,6]-phenyl C(61)-butyric acid methyl ester (PCBM) bilayer or BHJ. A combination of morphological and surface element analysis was investigated to identify the effects of oxygen and aging temperature on device degradation
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2011-04
Language
English
Article Type
Article
Keywords

POLYMER SOLAR-CELLS; DEGRADATION MECHANISMS; STAMPING TRANSFER; ACIDMETHYL ESTER; POLY(3-HEXYLTHIOPHENE); EFFICIENCY; PERFORMANCE; LIFETIMES; NETWORK

Citation

ENERGY ENVIRONMENTAL SCIENCE, v.4, no.4, pp.1434 - 1439

ISSN
1754-5692
DOI
10.1039/c0ee00643b
URI
http://hdl.handle.net/10203/100217
Appears in Collection
CBE-Journal Papers(저널논문)
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