Transparent ZnO/glass surface acoustic wave based high performance ultraviolet light sensors*
Wang Wen-Boa), Gu Hanga), He Xing-Lia), Xuan Wei-Penga), Chen Jin-Kaia), Wang Xiao-Zhia)†, Luo Ji-Kuia),b)‡
       
Frequency response measurements to evaluate the UV sensor performance: (a) under long term (60 min) UV exposure, (b) under cyclic UV illumination. The S4 device is used for this test with an intensity of 7.6 mW/cm2.