Effects of thermal annealing on the efficiency of bulk-heterojunction organic photovoltaic devices

Jin Wook Jeong, Jin Woo Huh, Jeong Ik Lee, Hye Yong Chu, Il Ki Han, Byeong Kwon Ju

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This paper studies the effect of the annealing process on the performance of P3HT/PCBM photovoltaic devices, in terms of their efficiencies. The basic photovoltaic devices are annealed on a hot-plate, at a temperature of 150 °C for 10 min in air. For comparison, the thermal annealing of photovoltaic devices is carried out using rapid thermal annealing (RTA) equipment, at a temperature of 150 °C for 10 min in different environments such as in vacuum, in nitrogen and in argon, individually. The light conversion efficiency (Eff) of the resulting photovoltaic devices increases from 2.29% (hot-plate annealing) to 2.77% after annealing in a vacuum environment. As a result, the organic photovoltaic devices, annealed in a vacuum show enhanced efficiencies compared with those annealed in different gas environments.

Original languageEnglish
JournalCurrent Applied Physics
Volume10
Issue numberSUPPL. 3
DOIs
Publication statusPublished - 2010 Mar 25

Fingerprint

Heterojunctions
heterojunctions
Annealing
annealing
Vacuum
vacuum
Rapid thermal annealing
Argon
Conversion efficiency
Nitrogen
Gases
Temperature
argon
Hot Temperature
nitrogen
Air
temperature
air
gases

Keywords

  • Absorption
  • Annealing
  • Morphology
  • Organic solar cells
  • Photovoltaic

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

Effects of thermal annealing on the efficiency of bulk-heterojunction organic photovoltaic devices. / Jeong, Jin Wook; Huh, Jin Woo; Lee, Jeong Ik; Chu, Hye Yong; Han, Il Ki; Ju, Byeong Kwon.

In: Current Applied Physics, Vol. 10, No. SUPPL. 3, 25.03.2010.

Research output: Contribution to journalArticle

Jeong, Jin Wook ; Huh, Jin Woo ; Lee, Jeong Ik ; Chu, Hye Yong ; Han, Il Ki ; Ju, Byeong Kwon. / Effects of thermal annealing on the efficiency of bulk-heterojunction organic photovoltaic devices. In: Current Applied Physics. 2010 ; Vol. 10, No. SUPPL. 3.
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