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Phenyltrimethylammonium as an Interlayer Spacer for Stable Formamidinium-Based Quasi-2D Perovskite Solar Cells
저자
Gil, Bumjin; Kim, Jinhyun; Park, Byungwoo
학술지명
ELECTRONIC MATERIALS LETTERS
출판/발행연도
2024
주제
요약
본 연구는 3D 포름아미디늄 요오드화물 페로브스카이트에 4차 암모늄 염인 페닐트리메틸암모늄(PTMA)을 첨가하여 준2차원 페로브스카이트를 형성하고, 이를 통해 전하 수송 및 안정성을 향상시키는 방법을 제시합니다. PTMA 첨가는 결정 배향성을 조절하고 결정 결함을 감소시켜 광생성 운반자 추출 효율을 높이고, 결과적으로 60℃ 또는 1선 조건에서 700시간 동안 안정적인 성능을 보이는 태양전지를 구현했습니다.
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