1. CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai 200050, P.R. China
2. University of Chinese Academy of Sciences, 19 A Yuquan Rd, Shijingshan District, Beijing, 100049, P.R. China
3. Corning Incorporated, Corning, New York 14831, United States
4. Corning Research Center China, 200 Jinsu Road, Shanghai 201206, P.R. China