Bi2Te3 1 Bismuth compounds 1 Broadband 1 Colloidal quantum dot Colloidal quantum dots 1 Energy gap 1 IV-VI semiconductors 1 Infrared bands 1 Infrared devices 1 Infrared radiation 1 Lead compounds 1 Nanocrystals 1 Optoelectronic materials 1 Performance 1 Photodetectors 1 Photons 1 Property 1 Quantum dots infrared photodetectors 1 Room temperature 1 Semiconductor quantum dots 1 Sulfur compounds 1 Synergy effect 1 Tunable Band-gap 1 broadband 1 colloidal quantum dots (CQDs) 1 photodetector 1 room temperature 1 synergy effect 1