On research, he developed new technology for wireless phototherapy and point-of-care diagnostics based on implantable light-emitting materials and devices. His publications in top-tier journals (Nature Medicine, Nature Biomedical Engineering, Nature Materials, Nature Nanotechnology, Nature Communications, PNAS, Nature Protocols, Advanced Materials, Chemical Reviews, Chemical Society Reviews, etc.), many plenary/keynote/invited talks in international conferences, his contribution to academic communities and professional societies, and his effort in technology commercialization, made him an internationally recognized researcher. His research achievements were featured in Nature, The Straits Times, Lianhe Zaobao, Innovation Magazine, Nature Publishing Group (NPG) Asia Materials and Nanotechweb, etc.