An Ultrasensitive Room-Temperature H2 Sensor Based on a TiO2 Rutile-Anatase Homojunction. - Xuefeng Wu; Ya Zhang; Menghan Zhang; Jianhu Liang; Yuwen Bao; Xiaohong Xia; Kevin Homewood; Manon Lourenco; Yun Gao (Sensors, 2024)