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수분에 의한 페로브스카이트 박막의 분해 및 δ-phase 결정 형성을 억제하기 위한 표면 처리 기술
손경난(Kyung Nan Son),Syed Dildar Haider Naqvi,정인영(In Young Jeong),안세진(SeJin Ahn),장효식(Hyo Sik Chang) 한국태양광발전학회 2021 Current Photovoltaic Research Vol.9 No.2
Perovskite solar cells (PSCs) are currently attracting attention as a promising source of photovoltaic power generation for their rapid increase in efficiency within a short research period. However, the 2-step deposition method, which has been considered as a proper film fabrication route in commercialization point of view of PSC, requires a complicated control of environment to achieve high efficiency because each step of the process are affected by humidity in different manner. It is clearly a large hurdle for this technic to be transferred to industrialization. In this study, we developed a simple surface treatment by which high quality perovskite films can be fabricated through 2-step deposition method in a relatively wide humidity range without complicated humidity control at each step.