His current research interest focuses on developing next-generation ultra-high efficiency tandem solar cells and flexible & transparent solar cells. He has published over 70 journal articles with the first authorship on the most prestigious journals such as Nature Energy, Advanced Energy Materials, ACS Energy Letters, etc., with over 3000 SCI citations and an H-index of 32. He was included in the top 1% list of global applied physics scientists assessed by standardized citation metrics in the single year of 2020.