Affiliation: | 1. Institute of Carbon Science and Technology, Shinshu University, Nagano 380-8553, Japan;2. Nissin Kogyo Co. Ltd., 801 Kazawa, Tomi-shi, Nagano 386-8505, Japan;1. Shaanxi key Laboratory of Photoelectric Functional Materials and Devices, School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710032, China;2. College of Physics and Information Technology, Shaanxi Normal University, Xi’an 710062, China |