نتایج جستجو برای: نانودرات zns
تعداد نتایج: 2976 فیلتر نتایج به سال:
Abstract In this work, we focus on the colloidal quantum dot based light-emitting diodes (QD-LEDs) performance. First, synthesize spherical QDs with a CdS core that covered wider band gap II–VI semiconductor acting as shell (ZnS). order to nano crystal structure of CdS/ZnS/CdS/ZnS, use reverse micelle process. These four-layer well dots (QWQDs) can generate white light emission. The positional ...
Ambient S annealing was adopted to regulate the crystallinity of a ZnS microsphere, which resulted in a significant improvement in the photocatalytic hydrogen production activity (PHPA). Moreover, with S ambient treatment, wurtzite ZnS showed better PHPA than sphalerite ZnS, possibly because the inter-polar electric field of the wurtzite phase could promote the separation of photo-excited elect...
Hexagonal wurtzite ZnS nanowires radially arrayed on cubic zinc-blende ZnS hollow spheres have been successfully achieved for the first time, and such novel heterogeneous ZnS hollow urchin-like hierarchical nanostructures show greatly enhanced photocatalytic properties due to their two-phase enhanced light-harvesting and high surface-to-volume ratio.
A ZnS(Ag) detector was successfully used in the direct detection of alpha particles from aqueous solutions and the results were compared to the passivated ion implanted planar silicon (PIPS) continuous air monitor (CAM) detector. The ZnS(Ag) detector is recommended for on-line detection of gross alpha radioactivity from highlevel liquid waste process streams; however, the detector suffers from ...
در این پژوهش نانو ذرات cds و پوسته/هسته (cds/zns) با استفاده ازروش سنتز شیمیایی مرطوب تهیه شدند و از 3-mercaptopropionic acid (mpa) به عنوان مولکول پوششی استفاده شد. اثر پوستهی zns بر خواص اپتیکی و ساختاری cds مورد بررسی قرارگرفت. شدت فوتولومینسانس (intensity of photolumincence) نانو ذرات cds پس از پوشش پوستهی zns افزایش یافت. طیف پراش پرتو x نانوذرات cds پس از گرمادهی در دمای اتاق، ساختار س...
Pure and copper doped ZnS nanoparticles in powder form were prepared by wet chemical route method by using thioglycerol as a capping agent. The XRD studies indicate that the samples are cubic in nature. The thermoluminescence (TL) behavior of pure and copper doped ZnS has been studied for fixed 10 min UV exposure time; TL glow curve shows a single peak at 165.1°C and 184.3°C temperature respect...
Department of Applied Chemistry, Faculty o 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8 [email protected]; Fax: +81 45 566 155 SHOEI CHEMICAL INC., 2-1-1 Nishi-Shinju † Electronic supplementary information as-prepared CIS, CIS/ZnS, and CIS/ZnS photographs of CIS, CIS/ZnS, and CIS/ light and 365 nm near-UV light (Fig. S2 and CIS/ZnS-MPA QD powder samples un of as-prepared and MPA-modied QDs (...
The preparation and characterization of heterojunction solar cell with ZnS nanocrystals synthesized by chemical bath deposition method were studied in this work. The ZnS nanocrystals were characterized by X-ray diffraction (XRD) and high-resolution transmission electron microscopy (HRTEM). Lower reflectance spectra were found as the annealing temperature of ZnS film increased on the textured p-...
Recently, zonisamide (ZNS) has been approved as a new adjunctive therapy for motor complications of Parkinson's disease (PD). More recently, ZNS was reported to be effective for the management of impulse control behavior in PD, suggesting potential effects on non-motor PD symptoms. Dream enactment associated with aggressive, violent behavior can carry a serious risk of injury to patients, as we...
Semiconducting zinc sulphide (ZnS) has been demonstrated that is an excellent candidate for substituting the possible toxic materials as CdS as n-type material on optoelectronic devices, and photocatalytic materials. The Chemical Bath Deposition technique (CBD) is very simple: it requires temperatures below 100°C, a reactor that can be a beaker and the reaction can be carried out at atmospheric...
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