WebJun 14, 2024 · Microwave photoconductivity decay measurements revealed that the minority-carrier lifetime of the BaS i 2 film with the highest photoresponsivity was 14 μs, equivalent to its bulk carrier lifetime ever reported. We performed theoretical analyses based on a rate equation including several recombination mechanisms and reproduced the ... WebFeb 28, 2012 · The decay times of photoconductivity were measured to obtain the necessary information. Peiris and Perera ( 1987) described a simple photometer employing a photoresistor. Kirkup and Cherry ( 1988) determined the temperature dependence of photoconductive decay in CdS.
Persistent photoconductivity and defect levels in n-type …
WebAll the dopants hamper the photoconductivity with exception of 0.5 at.% Dy, which generates a broad impurity band in the photoconductivity spectrum near 1.05 eV, ascribed to the presence of a small amount of finely dispersed crystalline phase ... Rise and decay of photocurrent is measured at room tempera- DE rd ¼ r0 exp ; ð1Þ ture at 1035 ... WebIt exceeds his competitors µPCD (microwave detected photoconductivity decay) and QSSPC (quasi steady state photo conductance) in terms of sensitivity, resolution and speed. The … darbishire house
Application of photoconductivity decay and photocurrent …
WebeV. A persistent photoconductivity effect is clearly observed, and similar transient behavior is seen when room light or other monochromatic light with photon energy ranging from 2 to 3 eV is used as the illumination source. The decay in photocurrent after turning off the illumination is well de-scribed by a stretched-exponential function WebApr 18, 2024 · This work presents a protocol employing the microwave photoconductivity decay (μ-PCD) for measurement of the carrier lifetime in semiconductor materials, … WebAug 25, 2024 · Photoconductivity transients were measured at temperatures ranging from 90 to 210 K. The origins of the PPC are investigated using the characteristic time … darbishire sporting