Abstract
We investigated the photoconductive characteristics of tungsten-substituted molybdenum disulfide (Mo1−xWxS2) series materials synthesized by the chemical vapor transport (CVT) method using different x values of W composition (x = 0–1, Δx = 0.1). We applied the Mo1−xWxS2 series materials to photoconductive detectors and then measured photocurrent at different laser source wavelengths: 405, 532, 633, and 808 nm. The band gap bowing effect and absorbance indicated the photoconduction mechanism in the Mo1−xWxS2 series materials. The proportion of x influenced the conductivity and absorbance, and induced the energy-gap bowing effect of Mo1−xWxS2.
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