نتایج جستجو برای: ZnO-CdO

تعداد نتایج: 20483  

2009
Karuppanan Senthil Youngjo Tak Minsu Seol Kijung Yong

ZnO nanowire-CdO composite nanostructures were fabricated by a simple two-step process involving ammonia solution method and thermal evaporation. First, ZnO nanowires (NWs) were grown on Si substrate by aqueous ammonia solution method and then CdO was deposited on these ZnO NWs by thermal evaporation of cadmium chloride powder. The surface morphology and structure of the synthesized composite s...

Journal: :Journal of colloid and interface science 2015
R Saravanan M Mansoob Khan Vinod Kumar Gupta E Mosquera F Gracia V Narayanan A Stephen

A ternary ZnO/Ag/CdO nanocomposite was synthesized using thermal decomposition method. The resulting nanocomposite was characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, UV-Vis spectroscopy, and X-ray photoelectron spectroscopy. The ZnO/Ag/CdO nanocomposite exhibited enhanced photocatalytic activity under visible light irradiation ...

2012
Sang Hyun Lee Chad M Parish Jun Xu

Various surface structures and polarities of one-dimensional nanostructures offer additional control in synthesizing heterostructures suitable for optoelectronic and electronic applications. In this work, we report synthesis and characterization of ZnO-CdO nanorod-based heterostructures grown on a-plane sapphire. The heterojunction formed on the sidewall surface of the nanorod shows that wurtzi...

2017
Naif Mohammed Al-Hada Halimah Mohamed Kamari Che Azurahanim Che Abdullah Elias Saion Abdul H Shaari Zainal Abidin Talib Khamirul Amin Matori

In the present study, binary oxide (cadmium oxide [CdO])x (zinc oxide [ZnO])1-x nanoparticles (NPs) at different concentrations of precursor in calcination temperature were prepared using thermal treatment technique. Cadmium and zinc nitrates (source of cadmium and zinc) with polyvinylpyrrolidone (capping agent) have been used to prepare (CdO)x (ZnO)1-x NPs samples. The sample was characterized...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2015
hamid reza pouretedal sara basati

grinding (solvent-free) method was used as a superior technique to prepare mesoporous photocatalysts of zno, zns, zno / zns, cdo, cds and cdo / cds-sba-15. in this technique, the nitrate, acetate and chloride salts of zinc and/or cadmium were grinded with as-synthesized sba-15 as a mesoporous material. the controllable sulfurationis was used to prepare zns, zno/zns, cds and cdo/cds-sba-15 at te...

نانو کامپوزیت ZnO-CdO با استفاده از روش میکروامولسیون آب در روغن سنتز شد. نسبت وزنی اکسید روی و کادمیم و دمای کلسیناسیون بر روی مورفولوژی، تشکیل فاز، تبدیلات فازی، اندازه کریستال هاوذرات و همچنین سطح ویژه نانو کامپوزیت ZnO-CdO تحقیق شد. محصولات سنتز شده توسط آنالیزهای XRD، BET، SEM، TEM و مورد بررسی قرار گرفت. نتایج پراش اشعه ایکس نشان داد که نانو کامپوزیت ZnO-CdO با کریستال‌های نانومتری شکل گر...

Hamid Reza Pouretedal, Sara Basati

Grinding (solvent-free) method was used as a superior technique to prepare mesoporous photocatalysts of ZnO, ZnS, ZnO / ZnS, CdO, CdS and CdO / CdS-SBA-15. In this technique, the nitrate, acetate and chloride salts of zinc and/or cadmium were grinded with as-synthesized SBA-15 as a mesoporous material. The controllable sulfurationis was used to prepare ZnS, ZnO/ZnS, CdS and CdO/CdS-SBA-15 a...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

the zinc-cadmium oxide (zno-cdo) nanocomposites with different weight percentages of cadmium oxide (cdo) nanoparticles were successfully synthesized by the sonochemical method using zinc and cadmium nitrates as precursors to probe their nano-structured surfaces for the decomposition reactions of chloroethyl phenyl sulfide (ceps) as a surrogate of sulfur mustard agent simulant. scanning electron...

Journal: :Coatings 2023

Thin-film nanocrystalline zinc oxide electrodes were fabricated by electrochemical deposition of ZnO on FTO-coated glass slides. promoted CdO coating top in amounts corresponding to 0.8, 0.1, and 0.05 C cm−2 electric units. Modification a small amount CdO, cm−2, shifts the photoactivity composite photoanode into visible part solar spectrum. It is shown that ZnO/(0.05C)CdO/FTO electrode demonstr...

2009
Yicheng Lu Jian Zhong Jun Zhu Gaurav Saraf Hanhong Chen Ziqing Duan Pavel Reyes R. H. Wittstruck

Zinc oxide (ZnO) is a promising wide band gap semiconductor. It has a direct energy band gap, Eg of 3.3eV at room temperature. ZnO can be alloyed with CdO and MgO to form the ternaries CdxZn1-xO and MgxZn1-xO, extending the direct energy band from 2.8eV to 4.0eV. Through proper doping, it also can be made transparent and conductive, piezoelectric, or ferromagnetic. ZnO based single crystal nano...

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