Jiangzhao Chen (¿¿¿) is a professor in the Faculty of Materials Science and Engineering at Kunming University of Science and Technology. He received his BS and PhD degrees in Applied Chemistry from Northeast Forestry University in July 2011 and in Optical Engineering from Huazhong University of Science and Technology in June 2016, respectively. From October 2016 to February 2019, he worked as a postdoctoral researcher at Sungkyunkwan University. From March 2019 to November 2019, he worked as a postdoctoral researcher at the University of Hong Kong. From December 2019 to December 2023, he worked as a professor in the School of Optoelectronic Engineering, Chongqing University. His current research interests focus on perovskite solar cells. Sam Zhang Shanyong (¿¿¿), FRSC, FTFS, FIoMMM, academically known as Sam Zhang, was born and brought up in the famous "City of Mountains" Chongqing, China. He received his Bachelor of Engineering in Materials in 1982 from Northeastern University (Shenyang, China), Master of Engineering in Materials in 1984 from Iron and Steel Research Institute (Beijing, China) and PhD degree in Ceramics in 1991 from the University of Wisconsin-Madison, USA. He was a tenured full professor (since 2006) at the School of Mechanical and Aerospace Engineering, Nanyang Technological University Singapore. In January 2018, he joined the School of Materials and Energy, and served as the founding director of the Centre for Advanced Thin Films and Devices, Southwest University, China. In 2023, he joined the School of Aeronautics, Harbin Institute of Technology as Chair Professor and also served in the Harbin Institute of Technology's Zhengzhou Research Institute.
