未來光伏講壇：Advances in Halide Perovskite Photovoltaic Solar Cells: From Birth to Prospects
主 講 人⌛️：Sang Il Seok➙，韓國蔚山國家科學技術學院特聘教授、韓國科學院院士 (2021年當選)
韓國科學獎得主（2017年，每年兩人）、蘭克獎得主（2022）
邀 請 人：意昂2体育 · 未來光伏研究中心
時 間：2023年12月22日上午10:00
地 點：意昂2体育平台包玉剛圖書館東翼樓200報告廳
講座摘要：
Halide perovskite photovoltaic solar cells (PSCs) have become a compelling solution for low-cost and highly efficient solar energy conversion. With power conversion efficiencies (PCE) exceeding 26% and comparable to conventional silicon solar cells, PSCs have attracted significant attention over the past decade. This progress results from meticulous optimization in device architecture, deposition techniques, and perovskite material compositions tailored to achieve an ideal bandgap. One pivotal aspect in depositing uniform thin films is the implementation of mediators, effectively slowing down rapid crystallization between organic cations and PbI2. Moreover, a stable room-temperature method for α-phase optically active formamidinium lead iodide (FAPbI3) perovskite has been developed. Complementing these advancements, atomically coherent interlayers have been introduced to enhance charge extraction and transport, concurrently mitigating interfacial defects. Despite these notable achievements, challenges persist, primarily centered on reducing strain within grain boundaries and the effective passivation of defects at these boundaries. Addressing these issues holds the key to further enhancing both the efficiency and stability of PSCs. In this presentation, I will embark on a journey through our past accomplishments, highlight recent breakthroughs, and explore future strategies for fabricating high-efficiency PSCs. Our ongoing research endeavors promise to illuminate the path toward harnessing the full potential of PSCs, paving the way for sustainable and cost-effective solar energy solutions.
主講人簡介：
Sang Il Seok 教授是韓國蔚山國立科學技術學院 (UNIST) 能源與化學工程系的傑出教授。 他的研究主要集中在功能性無機-有機雜化材料和能量收集裝置上🤸♂️。 他的團隊首次提出了一種無機-有機雜化鈣鈦礦異質結太陽能電池，其工作原理與鈣鈦礦敏化太陽能電池完全不同♎️，是目前高效鈣鈦礦太陽能電池的原型之一🤵🏻。 他的團隊設計的器件架構為不斷將鈣鈦礦太陽能電池的效率提高到25%以上提供了基礎，超越了傳統的薄膜太陽能電池。 他的團隊保持著最高效（25.5%）鈣鈦礦太陽能電池的世界紀錄💚😥，並經美國國家可再生能源實驗室認證🐁。
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