Balancing the piezoelectric coefficient and carrier concentration of Bi₂WO_6−x for ultrahigh piezocatalysis

^aCollege of Materials and Chemistry, China Jiliang University, Hangzhou 310018, China

^bKey Laboratory of Jiangxi Province for Persistent Pollutants Control, National-Local Joint Engineering Research Center of Heavy Metals Pollutants Control and Resource Utilization and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China

^cDepartment of Physics, Zhejiang University of Science and Technology, Hangzhou 310008, China

^dJiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, China

^eKey Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, College of Energy, Soochow University, Suzhou 215006, China

^fState Key Laboratory of Structural Chemistry, and Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

^gSchool of Physics and Information Technology, Shaanxi Normal University, Xi'an 710121, China.

^hState Key Laboratory of Physical Chemistry of Solid Surface, Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, College of Materials, Xiamen University, Xiamen 361005, China

ⁱSchool of Physics and Technology, Wuhan University, Wuhan 430072, China