1. Zhejiang Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis
2. Institute of Mass Spectrometry
3. School of Material Science and Chemical Engineering
4. Ningbo University
5. Ningbo
6. Faculty of Electrical Engineering and Computer Science
7. Ningbo 315211
8. P. R. China
9. Institute of Semiconductors
10. Chinese Academy of Sciences
11. Beijing