نتایج جستجو برای: silar
تعداد نتایج: 223 فیلتر نتایج به سال:
Continuous flow reactors show great promise for large-scale synthesis of quantum dots. Here, we discuss results for the synthesis of multi-layered Cd-based hybrid nanocrystals - CdSe/CdS/ZnS, CdS/ZnS, and CdSeS/ZnS - in a continuous flow reactor. The simple reactor design and liquid-phase chemistry obviate the need for preheating or in-line mixing, and the chosen reactor dimensions and operatin...
Ordered 2D nanostructural BiOI nanoflake arrays decorated with Bi2S3 nanospheres have been designed and in situ fabricated for the first time, to form BiOI/Bi2S3 bulk heterojunctions through a soft chemical route. A modified successive ionic layer adsorption and reaction (SILAR) method was developed to fabricate BiOI nanoflake arrays on flexible ITO/PET substrates at room temperature. The degre...
We report the photoelectrochemical (PEC) performance of textured porous ZnO and CdX-coated ZnO films (X = S, Se). Porous ZnO films were grown with a platelike morphology on F-doped SnO(2) (FTO) substrates. The growth of ZnO films involves a two-step procedure. In the first step, we electrochemically grew simonkolleite (Zn(5)(OH)(8)Cl(2)·H(2)O) plate films. Annealing of the simonkolleite at 450 ...
The wide band gap of TiO₂ hinders the utilization of visible light in high-performance photocatalysis. Herein, vertically aligned Ti nanopillar arrays (NPAs) were grown by the glancing angle deposition method (GLAD) and then thermally oxidized into TiO₂ NPAs. The metallic nanoparticles (NPs) were fabricated by successive ion layer adsorption and reaction (SILAR) method. And we covered ultrathin...
In this report, we have prepared undoped and Mg-doped ZnO thin films by a modified successive ionic layer adsorption reaction (SILAR) method. The structural, surface morphological, chemical compositional, optical properties of pure were characterized X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy dispersive spectroscopy (EDS), ultraviolet-visible (UV-VIS) s...
Ammonia is commonly synthesized through the Haber-Bosch process, which produces large amounts of CO2 emissions as it carried out at extreme temperatures and pressures. An alternative technology needed to synthesize ammonia consumes less energy environmentally friendly. In this research, a Dye-Sensitized Solar Cell Photoelectrochemical tandem system (DSSC-PEC) was developed for nitrogen reductio...
Ammonia (NH3) is one of the important chemicals for human life. The demand ammonia expected to increase every year. Conventionally, fixation process N2 produce NH3 in industrial sector carried out through Haber−Bosch process, which requires extreme temperature and pressure conditions that consume a high amount energy emit considerable CO2. Therefore, it necessary develop alternative technology ...
ساخت سلول خورشیدی نانوساختار حساس شده با نقاط کوانتومی cds و cdse و بررسی اثر آلاییدن توسط یون منگنز
این پژوهش به منظور ساخت و مشخصه یابی سلول های خورشیدی حساس شده با نقاط کوانتومی cds و cdse انجام شد. در ساخت این سلول خورشیدی از لایه های fto پوشش داده شده با تیتانیوم اکسید به روش دکتر بلید استفاده شده است. جهت لایه نشانی نقاط کوانتومی بر سطح تیتانیوم اکسید از دو روش رسوب دهی حمام شیمیایی (cbd) و روش جذب و واکنش دهی پی در پی یونی(silar) بهره گرفته شد. سلول های خورشیدی حاصل با بازدهی 1.51 درصد ...
Zinc oxide (ZnO) is a versatile material of compound semiconductors with excellent proper‐ ties and extensive applications in electronics, optoelectronics, sensors, and catalyses (Das et al, 2007). ZnO thin films have attracted considerable attention because they can be tailored to possess high electrical conductivity, high infrared reflectance and high visible transmit‐ tance by different coat...
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