1. Key Laboratory of Hunan Province for Water Environment and Agriculture Product SafetyCollege of Chemistry and Chemical EngineeringCentral South University Changsha 410083 P. R. China
2. Key Laboratory of Photochemical Conversion and Optoelectronic Materials and CityU‐CAS Joint Laboratory of Functional Materials and DevicesTechnical Institute of Physics and ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
3. Center of Super‐Diamond and Advanced Films (COSDAF) and Department of Materials Science and EngineeringCity University of Hong Kong Hong Kong SAR CN P. R. China