未来光伏讲坛：Advances in Halide Perovskite Photovoltaic Solar Cells: From Birth to Prospects
主 讲 人：Sang Il Seok，韩国蔚山国家科学技术学院特聘教授、韩国科学院院士 (2021年当选)
韩国科学奖得主（2017年，每年两人）、兰克奖得主（2022）
邀 请 人：十大正规外围买球网站 · 未来光伏研究中心
时 间：2023年12月22日上午10:00
地 点：上海交通大学包玉刚图书馆东翼楼200报告厅
讲座摘要：
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.
主讲人简介：
Sang Il Seok 教授是韩国蔚山国立科学技术学院 (UNIST) 能源与化学工程系的杰出教授。 他的研究主要集中在功能性无机-有机杂化材料和能量收集装置上。 他的团队首次提出了一种无机-有机杂化钙钛矿异质结太阳能电池，其工作原理与钙钛矿敏化太阳能电池完全不同，是目前高效钙钛矿太阳能电池的原型之一。 他的团队设计的器件架构为不断将钙钛矿太阳能电池的效率提高到25%以上提供了基础，超越了传统的薄膜太阳能电池。 他的团队保持着最高效（25.5%）钙钛矿太阳能电池的世界纪录，并经美国国家可再生能源实验室认证。
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