Frequency-resolved photocurrent studies of a-Se

 Optically modulated photocurrent response of amorphous selenium (a-Se) thin films was measured between 20 K and 295 K, by using the in-quadrature frequency-resolved spectroscopy method. The results show that the modulated photocurrent depends on external parameters such as excitation light intensity and temperature, giving information about recombination kinetics. Received, 28 July 1996 /Accepted: 20 September 1996