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

Dong Hwan Wang; Jung Kyu Kim; O. Ok Park; Jong Hyeok Park

doi:10.1039/c0ee00643b

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

Dong Hwan Wang, Jung Kyu Kim, O. Ok Park, Jong Hyeok Park

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

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 C₆₁-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

Original language	English
Pages (from-to)	1434-1439
Number of pages	6
Journal	Energy and Environmental Science
Volume	4
Issue number	4
DOIs	https://doi.org/10.1039/c0ee00643b
Publication status	Published - 2011 Apr

All Science Journal Classification (ASJC) codes

Environmental Chemistry
Renewable Energy, Sustainability and the Environment
Nuclear Energy and Engineering
Pollution

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10.1039/c0ee00643b

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abstract = "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 C61-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",

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

Abstract

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