홍승훈 교수 연구실
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·2025
Nanoscale Mapping of Charge-Trap-Induced Localized Bandgap Variations in Perovskite Solar Cell Structures via Wavelength-Dependent Noise Microscopy
Mingyu Jung, Alan Jiwan Yun, Yuhyeon Oh, Shashank Shekhar, Byungwoo Park, Seunghun Hong
IF 8.2ACS Applied Materials & Interfaces
초록
, indicating that localized traps near the band edges effectively reduce the bandgaps. Our strategy enables direct mapping of nanoscale photoconductive properties and their quantitative correlations, providing a powerful tool for both fundamental research and practical applications in optoelectronic devices.
키워드
PhotocurrentPhotoconductivityPerovskite (structure)Band gapNanoscopic scaleMonochromatic colorSolar cellSilicon