화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2021년 가을 (10/27 ~ 10/29, 광주 김대중컨벤션센터)
권호 27권 2호, p.2057
발표분야 재료
제목 Optimizing Sputtered Sb Layers for the Preparation of Sb2Se3 Absorbers by Rapid Thermal Process
초록 Antimony selenide (Sb2Se3) has recently attracted widespread attention as a solar absorber due to its outstanding optoelectronic characteristics and binary composition. It has high saturated vapor pressure below its melting point, which offers promising routes for vapor deposition methods. These characteristics have explored the Sb2Se3 for various other fields like thermoelectric, optoelectronic, photothermal, etc. Antimony (Sb) layers of different thicknesses (350 nm to 1400 nm) were deposited on Mo substrates using DC sputtering, followed by the deposition of a 1μm thick selenium (Se) layer on top of the Sb layers. Finally, the bilayers were annealed in a rapid thermal process (RTP) system to get Sb2Se3 absorbers. The XRD patterns revealed that all the diffraction peaks could be well indexed to the orthorhombic crystal structure of the pure Sb2Se3 phase. The SEM images of prepared films showed the large crystal grain morphology. The optical band gap energy values were found to be varied in the range of 1.1-1.4 eV. Therefore, this work has conclusively demonstrated that the prepared Sb2Se3 thin films were suitable for thin film solar cell application.
저자 노지현, 김우경, 알하마디살레, 세티야완 이그나티우스 안드레, 바수데바레디, Gedi Sreedevi
소속 영남대
키워드 화공소재; 소재공정
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