1. Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education
2. School of Chemistry and Environment
3. Beihang University
4. Beijing 100191, P R China
5. Department of Chemistry
6. Faculty of Science and Arts and Promising Centre for Sensors and Electronic Devices
7. Najran University
8. Najran 11001, Kingdom of Saudi Arabia
9. Gas and Humidity Sensing Department
10. Beijing Elite Tech Co.
11. Beijing 100850, PR China
12. Beijing National Laboratory for Molecular Sciences (MNLMS)