Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Recent Advances in the Piezo-Phototronic Effect for Optoelectronics

광전자소자를 위한 Piezo-Phototronic 효과의 연구 동향

  • Shin, Kyung-Sik (School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU)) ;
  • Kim, Seongsu (School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU)) ;
  • Kim, Dohwan (School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU)) ;
  • Yoon, Gyu Cheol (School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU)) ;
  • Kim, Sang-Woo (SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University (SKKU))
  • 신경식 (성균관대학교 신소재공학부) ;
  • 김성수 (성균관대학교 신소재공학부) ;
  • 김도환 (성균관대학교 신소재공학부) ;
  • 윤규철 (성균관대학교 신소재공학부) ;
  • 김상우 (성균관대학교 나노과학기술협동학부)
  • Received : 2013.05.28
  • Accepted : 2013.05.29
  • Published : 2013.05.31
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Abstract

Wurtzite nanomaterials, such as ZnO, GaN, and InN, have become a subject of great scientific and technological interest as they simultaneously have piezoelectric and semiconductor properties. In particular, the piezoelectric potential (piezopotential) created by dynamic straining in the nanowires drives a transient flow of current in the external load, converting mechanical energy into electricity. Further, the piezopotential can be used to control the carrier generation, transport, separation, and/or recombination at the metal-semiconductor junction or p-n junction, which is called the piezophototronic effect. This paper reviews the recent advances on the piezophototronic effect to better use the piezophototronic effect to control the carrier generation, transport, separation and/or recombination for improving the performance of optoelectronic devices, such as photon detectors, solar cells and LEDs. This paper also discusses several research and design studies that have improved the output performance of optoelectronic devices.

Keywords

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