SEMINAR
The State Key Lab of High Performance Ceramics and Superfine Microstructure
Shanghai Institute of Ceramics, Chinese Academy of Sciences
中国科学院上海硅酸盐研究所高性能陶瓷和超微结构国家重点实验室
CH3NH3Cl辅助制备铅卤钙钛矿电池
Speaker
赵一新 特别研究员
上海交通大学环境科学与工程学院
时间:10月10日 (星期五)上午10:00
地点:2号楼607会议室
联系人:刘阳桥
报告摘要:
We demonstrate a novel one-step solution approach to prepare perovskite CH3NH3PbX3 films by adding CH3NH3Cl (or MACl) to the standard CH3NH3PbX3 precursor (equimolar mixture of CH3NH3I/CH3NH3Br and PbI2/PbBr2) solution. We find that MACl functions as a glue or soft template to control the initial formation of a solid solution. This characteristic facilitates the formation of phase-pure MAPbI2Br or MAPbI3 through thermal decomposition at a CH3NH3PbI3, using MACl improves the performance of CH3NH3PbI3 solar cells from about 2% to 12% for the planar cell structure and from about 2% to 10% for the CH3NH3PbI2Br. These results suggest that this new one-step solution approach is promising for controlling CH3NH3PbX3 growth to achieve high-performance perovskite solar cells.
报告人简介:
赵一新, 上海交通大学环境科学与工程学院特别研究员。2002年和2005年本科硕士毕业于上海交通大学。2010年博士毕业于凯斯西储大学(Case Western Reserve University)。2010-2013年,先后在宾州州立大学和美国可再生能源国家实验室从事可再生能源方面的研究包括太阳能电池和光解水。在Chem.Rev.,PNAS, JACS, Energy Environ.Sci, Angew. Chem. Int. Ed., Small等著名期刊发表论文30多篇。