1. Key Laboratory of Bio-Inspired Smart Interfacial Science
and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing 100191, PR China
2. Department of Chemistry, Faculty of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Kingdom of Saudi Arabia
3. Gas
and Humidity Sensing Department, Beijing Elite Tech Co., Beijing 100850, PR China