SUM Tze Chien

SUM Tze Chien is a Professor (NRF Investigator) at Nanyang Technological University, affiliated with the School of Physical and Mathematical Sciences. He holds the title of Associate Dean (Research), College of Science, and Director, Institute of Advanced Studies. He earned his Ph.D. from the National University of Singapore. His research interests include femtosecond studies of energy transfer processes in nanoparticles, organic light emitting devices, and organic photovoltaics, as well as magneto-optical spectroscopy of magnetic materials and structures. He is also involved in femtosecond laser direct-write and modification of materials.

Tze Chien SUM is a Professor of Physics at Nanyang Technological University, Singapore, specializing in Ultrafast Optical Spectroscopy, Energy & Charge Transfer, and Carrier & Quasi-Particle Dynamics. His research focuses on understanding the photophysics of perovskite materials for optoelectronic applications, including solar cells, light-emitting diodes, and lasers. He investigates mechanisms such as hot carrier cooling, bimolecular recombination, and charge transport in organic-inorganic hybrid systems. His work also explores the synthesis and properties of perovskite nanomaterials for high-performance optoelectronic devices. SUM's research contributes to advancements in renewable energy and nanophotonics through fundamental studies of charge dynamics and light-matter interactions.