Title：Organic Polymer Dots in Photocatalysis

Speaker：Prof. Haining Tian，Uppsala University

Time：14:30-15:50，Thursday, Mar 7th, 2024

Host：Prof. Licheng Sun, Director of the CAP for Solar Fuels

Address：Meeting room 201, Building E10, Yungu Campus

Prof. Haining Tian

Uppsala University

Biography：

Dr. Haining Tian is a Senior lecturer (Universitetslektor) and Associate Professor (Docent) at Uppsala University, Sweden, leading a research group of Molecular Devices for Artificial Photosynthesis. He obtained his PhD in Applied Chemistry at Dalian University of Technology (DUT) in 2009under supervision from Prof. Licheng Sun and Prof. Xichuan Yangand then moved to Royal Institute of Technology (KTH) as Postdoc and senior researcher. He was in Prof. Juan Bisquert’s group at Universitat Jaume I as a short-term visiting researcher in 2013. In 2014, he started his independent research career at Uppsala University. He has been awarded Göran Gustafsson Prize for young researchers (2016 small and 2020 large), Young Investigator from European Photochemistry Association (2019) and Wallenberg Academy Fellow (2019). His research interests focus on development and investigation of sustainable soft materials including molecules and polymers for solar energy conversion and storage. He has published more than 100 peer-reviewed papers and edited a book <Molecular Devices for Solar Energy Conversion and Storage>.

Abstract：

In recent years, organic polymeric photocatalysts have garnered considerable attention from scientists owing to their cost-effectiveness, adjustable bandgaps and energy levels, and promising performance in photocatalysis. Transforming traditional hydrophobic polymeric photocatalysts into nanoparticles with sizes less than 100 nm, known as polymer dots (Pdots), has demonstrated significantly enhanced photocatalytic activity. Employing a rational design approach to organic polymers stands as one of the strategies aimed at augmenting the photocatalytic efficiency for solar fuels production. Furthermore, the creation of heterojunction Pdots facilitates the efficient separation of photogenerated charges within Pdots and leverages energy transfer processes to enhance light harvesting efficiency. During my talk, I will delve into our research accomplishments, which include optimizing polymer structures for Pdots photocatalysis, understanding the working mechanism, exploring heterojunction Pdots systems, and investigating the applications of Pdots in bio-hybrid photocatalytic systems.

Contact:

Xiaoling Xiang，Email：xiangxiaoling@westlake.edu.cn