نتایج جستجو برای: nanocrystal
تعداد نتایج: 3002 فیلتر نتایج به سال:
In this paper, CdSe nanocrystal dissolution in an aqueous solution was studied. It was found that light is a key factor affecting the dissolution of nanocrystals. In the presence of light, the electrons generated from CdSe nanocrystals reduce water to hydrogen and hydroxide ions (OH-) while photo-generated holes oxidize CdSe to Cd2+ and elemental Se. The dissolution was accelerated in an acidic...
Lead halide perovskites hold promise for photonic devices, due to their superior optoelectronic properties. However, their use is limited by poor stability and toxicity. We demonstrate enhanced water and light stability of high-surface-area colloidal perovskite nanocrystals by encapsulation of colloidal CsPbBr3 quantum dots into matched hydrophobic macroscale polymeric matrices. This is achieve...
CHALCOGENIDE SOL GEL ASSEMBLY: CONTROLLING THE KINETICS OFNANOCRYSTAL AGGREGATION AND FILM FORMATION FOR APPLICATIONSIN OPTOELECTRONICSby
plasma electrolytic oxidation (peo) is the new, environmentally and cost-effective method for coating the metals. this method vastly has been studied for coating aluminum, titanium and magnesium and their alloys and recently for steel. in present study, ck45 steel samples were coated by peo method in order to improve corrosion resistance. during this process specimens were immerged in carbonate...
In recent decades, global electricity consumption has rapidly increased, and worldwide demand is expected to follow the same trend [...]
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