نتایج جستجو برای: porous zno

تعداد نتایج: 68825  

The laccase enzyme is the largest group of Oxidoreductase enzymes and is capable of oxidizing a wide range of organic substrates to water along with molecular oxygen resuscitation. ZnO nanoparticles are known for their specific properties such as chemical stability, high electrochemical coupling rates, and wide range of absorption of radiation as multifunctional compounds. In this study, ZnO po...

Journal: :Journal of materials chemistry. A, Materials for energy and sustainability 2022

Atomic step structures on porous ZnO nanobelts provide coordinatively unsaturated sites that allow an outstanding sensitivity with a limit of detection (LOD) as low 72 ppt.

2012
Yogesh Kumar Manuel Herrera-Zaldivar Sion Federico Olive-Méndez Fouran Singh Xavier Mathew Vivechana Agarwal

Morphological and optical characteristics of radio frequency-sputtered zinc aluminum oxide over porous silicon (PS) substrates were studied before and after irradiating composite films with 130 MeV of nickel ions at different fluences varying from 1 × 1012 to 3 × 1013 ions/cm2. The effect of irradiation on the composite structure was investigated by scanning electron microscopy, X-ray diffracti...

Journal: Journal of Nanoanalysis 2019

ZnO thin films were successfully synthesized on a porous silicon (PS) substrate by chemical bathdeposition method. X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM),and photoluminescence (PL) analyses were carried out to investigate the effect of growth duration(3, 4, 5, and 6 h) on the optical and structural properties of the aligned ZnO nanorods. T...

Journal: :Nanoscale 2015
Renbing Wu Dan Ping Wang Jianyu Han Hai Liu Kun Zhou Yizhong Huang Rong Xu Jun Wei Xiaodong Chen Zhong Chen

To realize the various functionalities and maximize the structural advantages, hollow particles with multiple compositions and complex structures are highly desirable. However, the development of a convenient and scalable method for the synthesis of such multi-compositionally complex hollow structures remains a big challenge. Herein, we report an efficient and universal strategy to fabricate 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: :Applied Physics A 2021

ZnO thin films were successfully deposited via spray pyrolysis technique over various substrates, including glass, silicon, and mesoporous silicon (PSi). The effect of substrate type on the surface morphological, structural, electrical properties film was investigated. Scanning Electron Microscopy confirms morphology meso-PSi displays morphologies ZnO. (ZnO/PSi) heterojunction shows a porous la...

2000
H. Elhouichet M. Oueslati

Different porous silicon (PS) layers were impregnated with rhodamine 6G (Rh) solution in order to form Rh/PS nanocomposites. The effect of the porous matrix (fresh, oxidised, type p) on the propriety of photoluminescence (PL) has been investigated. It was found that the luminescence of this nanocomposite is provided by an energy transfer from PS nanocristallites to rhodamine and from interactio...

Journal: :Adsorption Science & Technology 2023

Herein, we report a simple and scalable synthesis route to prepare Ag-functionalized porous ZnO sheets their enhanced NO2 gas sensing properties. Porous functionalized with well-dispersed submicron Ag particles were prepared by using hydrothermal method-based one-pot from Zn precursors. performance (response, selectivity, response time, recovery time) was optimized at 200°C in the sensor fabric...

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