Optical properties of highly luminescent, monodisperse, and ultrastable CdSe/V2O5 core/shell quantum dots for in-vitro imaging

CdSe/V2O5 core/shell quantum dots decorated reduced graphene oxide nanocomposite for high-performance electromagnetic interference shielding application

“…Further, from the XRD profile of rGO-CdSe nanocomposite, we can see the appearance of the peaks approximately at 25.59°, 42.64°and 50.46°ascribed to (111), (220), and (311) atomic reflection planes, respectively. These peaks are indexed well with known Zinc-blende (cubic) structure of the CdSe crystal structure [31]. Moreover, the rGO-V-CdSe nanocomposite spectrum consists of diffraction peaks at 25.55°, 34.52°, 42.98°, 45.30°and 50.24°owing to (101), ( 102), ( 110), (200), and (203) planes, respectively and matches well with wurtzite (hexagonal) crystal structure (31).…”

“…Synthesis of CdSe and CdSe/V 2 O 5 core/shell QDs (denoted as V-CdSe) CdSe QDs were synthesized by a method reported earlier with slight modifications [31]. In a typical synthesis, 120 mg of Li 4 [Cd 10 Se 4 (SPH) 16 ] cluster was added to 10 ml of DDA at 100 °C and then allowed to be kept at 120 °C for about 30 min.…”

Investigation of Photophysical Properties of Ternary Zn–Ga–S Quantum Dots: Band Gap versus Sub-Band-Gap Excitations and Emissions

“…13,14 Meanwhile, the toxicity and environmental aspects of these semiconductor QDs rendered their practical applications difficult, since they contain heavy metal Cd. 15,16…”

“…Cadmium (Cd)-containing semiconductor QDs such as CdSe, CdS, CdTe, etc. have excellent optical properties with emission over the entire visible range. − Further, these QDs have been proved as a potential material for photovoltaic devices in recent decades. , Meanwhile, the toxicity and environmental aspects of these semiconductor QDs rendered their practical applications difficult, since they contain heavy metal Cd. , …”

“…13,14 Meanwhile, the toxicity and environmental aspects of these semiconductor QDs rendered their practical applications difficult, since they contain heavy metal Cd. 15,16 Recently, Cd-free ternary I−III−VI chalcogenide QDs such as CuInS 2 , CuInSe, AgInS 2 , ZnInS, etc. were explored as an emerging material for applications in solar cells and LEDs.…”