Researchers prepared 2D layered, visible-light-absorbing bismuth sulfide semiconductors using a two-step process. The resulting film exhibited morphology that supported excellent semiconductor performance. The simplicity and versatility of the processing method, which uses non-toxic, abundant materials, makes bismuth sulfide a viable alternative to commercially available photoresponsive devices.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2018/09/180919133623.htm
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