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The integration of graphene with colloidal quantum dots (QDs) that have tunable light absorption affords new opportunities for optoelectronic applications as such a hybrid system solves the problem of both quantity and mobility of photocarriers. In this work, a hybrid system comprising of monolayer graphene and self‐doped colloidal copper phosphide (Cu3−xP) QDs is developed for efficient broadband...
In article number 1701881, Wanli Ma, Shaojuan Li, Qiaoliang Bao, and co‐workers demonstrate highly responsive and flexible broadband graphene photodetectors enhanced by plasmonic colloidal nanocrystals. A flexible graphene‐Cu3–xP photodetector on a polyethylene naphthalate substrate capable of infrared (IR) light detection is realized and the photocurrent shows no obvious degradation even after bending...
Combing graphene and other two-dimentional materials in heterostructure or the hybridization of graphene with a gain material for photodetection offers the possiblity to expand the wavelength range of operation and improve performance. Here, we fabricated two novel photodetectors based on graphene-Bi2Te3 heterostructure and hybrid graphene-perovskite islands, respectively. Our results show that the...
Monolayer graphene/Si Schottkey solar cell was fabricated using a top-grid structure. In comparison with the prevailing “top-window” structure, the newly-designed device structure has simplified the fabrication procedures to avoid ultraviolet (UV) photolithography and SiO2-eching. We systematically investigated the effect of chemical doping as well as device area on the device performance. It was...
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