The noble metal silver (Ag) combined with tungsten selenide (WSe2) was used to solve the problems of the narrow absorption band range, low luminescence quantum yield, and nonlinear transmittance of WSe2 base materials. Ag/WSe2 films and core-shell Ag@WSe2 heterojunction were designed and...

Transition metal dichalcogenides (TMDs) with unique layered structure and interesting electronic properties, which has the narrower band-gap and high electron-hole recombination rate, limiting its application in many optical devices. The combination of wide and narrow is an excellent strategy...