Elevated Temperature Anodized Nb₂O₅: A Photoanode Material with Exceptionally Large Photoconversion Efficiencies

Jian Zhen Ou,* Rozina A. Rani, Moon-Ho Ham, Matthew R. Field, Yuan Zhang, Haidong Zheng, Peter Reece, ) Serge Zhuiykov, Sharath Sriram, Madhu Bhaskaran, Richard B. Kaner, and Kourosh Kalantar-zadeh* School of Electrical and Computer Engineering, RMIT University, Melbourne, VIC, Australia, Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States, School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju, Korea, School of Applied Science, RMIT University, Melbourne, VIC, Australia, School of Physics, University of New South Wales, Sydney, New South Wales, Australia, Materials Science and Engineering Division, CSIRO, Highett, Victoria, Australia, and Department of Materials Science and Engineering, University of California, Los Angeles, California 90095, United States