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

Research output: Contribution to journalArticle

19 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 languageEnglish
Pages (from-to)1434-1439
Number of pages6
JournalEnergy and Environmental Science
Volume4
Issue number4
DOIs
Publication statusPublished - 2011 Apr 1

Fingerprint

Heterojunctions
Aging of materials
Oxygen
Degradation
oxygen
degradation
Butyric acid
active layer
commercialization
Water content
ester
Esters
Polymers
polymer
water content
Temperature
acid
temperature
effect
analysis

All Science Journal Classification (ASJC) codes

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

Cite this

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Analysis of surface morphological changes in organic photovoltaic devices : Bilayer versus bulk-heterojunction. / Wang, Dong Hwan; Kim, Jung Kyu; Park, O. Ok; Park, Jong Hyeok.

In: Energy and Environmental Science, Vol. 4, No. 4, 01.04.2011, p. 1434-1439.

Research output: Contribution to journalArticle

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