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The 2D tungsten disulfide (WS2), as a typical transition metal dichalcogenide (TMD), has aroused intense research interests in photodetection. However, the limited detection wavelength ranges and low photoresponsivity hinder its further application. To promote the application of WS2 in optoelectronics fields, indium arsenide (InAs) nanoislands decorated WS2 are utilized to fabricate photodetectors...
The control of optical and transport properties of semiconductor heterostructures is crucial for engineering new nanoscale photonic and electrical devices with diverse functions. Core–shell nanowires are evident examples of how tailoring the structure, i.e., the shell layer, plays a key role in the device performance. However, III–V semiconductors bandgap tuning has not yet been fully explored in...
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