The 4th Int'l Symposium on Photochemistry (ISP 2024)will be held during April 19-21, 2024 in Xiamen, China. You are invited to submit papers/abstracts and participate in our academic exchange. The conference is soliciting state-of-the-art research papers in the following areas of interest(not limited to): Photocatalysis Photoelectrochemistry Photochromism Photophysics Luminescence Solar energy conversion Photochemical reactions in biological systems Ultrafast spectroscopy Photochemistry of organic compounds Photochemistry in materials science