혁신융합형 물리인재 교육연구단

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<일시> 2025년 11월 19일(수) 16시 30분

<장소> 제2물리관 106호

<연사> 이현복교수님(강원대학교 반도체물리학과)

<제목> Electronic structure determination using photoelectron spectroscopy for efficient perovskite solar cells

<초록> Halide perovskite solar cells (PSCs) have garnered significant attention as a promising renewable energy source. Achieving high power conversion efficiency (PCE) in PSCs and requires the suppression of non-radiative recombination and efficient charge transport. Understanding exciton and carrier transport behavior necessitates electronic structure analysis, which can be effectively conducted using photoelectron spectroscopy measurements. This presentation will cover the principles of photoelectron spectroscopy for studying solar cell materials. Additionally, it will review electronic structure engineering methods for enhancing the efficiency of PSCs, including defect passivation, work function tuning, and charge transport level alignment.