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J. Korean Ceram. Soc. > Volume 50(3); 2013 > Article
Journal of the Korean Ceramic Society 2013;50(3): 173.
doi: https://doi.org/10.4191/kcers.2013.50.3.173
광전자소자를 위한 Piezo-Phototronic 효과의 연구 동향
신경식, 김성수, 김도환, 윤규철, 김상우1
성균관대학교 신소재공학부
1성균관대학교 나노과학기술협동학부
Recent Advances in the Piezo-Phototronic Effect for Optoelectronics
Kyung-Sik Shin, Seongsu Kim, Dohwan Kim, Gyu Cheol Yoon, Sang-Woo Kim1
School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU)
1SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University (SKKU)
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.
Key words: Piezophototronic effect, Piezoelectric, Optoelectronic, Nanostructure
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