Morphology and mechanism of highly selective Cu(II) oxide ... - Nature
2021年2月4日 · Cu oxides catalyze the electrochemical carbon dioxide reduction reaction (CO2RR) to hydrocarbons and oxygenates with favorable selectivity. Among them, the shape-controlled Cu oxide cubes have been...
SEM image of copper oxide nanoparticles - ResearchGate
Copper oxide nanoparticles have been synthesized by the chemical liquid deposition method and characterized by means of X-ray diffraction analysis (XRD), Fourier transform infrared...
Structural and morphological tuning of Cu-based metal oxide ...
2021年2月9日 · CuO is a P-type semiconductor with narrow bandgap (E g) of 1.2 eV, which shows attractive properties such as high electrical conductivity, good stability, efficient electrode in photovoltaics,...
Nano Res.│西湖大学王建辉课题组：原位引入氧空位激活氧化铜高 …
2022年6月29日 · 本文通过原位电化学方法成功的将Vo引入到CuO纳米线结构中，使得无活性的CuO具备了优异的氨氧化活性和稳定性。 随着Vo含量的增加，电催化氨氧化活性和N2法拉第效率明显的增加。 此外，通过原位电化学方法制备的Vo-rich CuO催化剂在0.6 V vs Hg/HgO电压下，电流密度可达到200 mA·cm−2，并保持稳定反应超过400 h，是目前报道最稳定的氨氧化反应催化剂。 结合实验和理论计算结果表明，Vo-rich CuO与Pt/C催化剂的反应机理不同：Vo的引入调节 …
Structural and optical studies of copper oxide nanoparticles ...
2021年1月1日 · The goal of this study is to develop a cost-effective and simple chemical precipitation process for producing Sn-doped CuO Nps. Scanning Electron Microscopy (SEM), X-ray diffraction (XRD), UV–Visible Spectrophotometer (UV) and Fourier Transform Infrared Spectroscopy (FTIR) analysis were carried out to study the morphological, structural ...
Synthesis of CuO Nanoparticles by Precipitation Method Using …
2013年1月1日 · Relevant properties of as-synthesized nanoparticles were investigated by X-ray diffraction (XRD), scanning electron microscope (SEM) and Fourier Transform Infrared (FTIR) Spectroscopy. Overall results suggest that the formation of CuO nanostructures with different shape, size and morphology can be achieved using different precursors via this ...
(A) SEM image of CuO nanoparticles taken at 2 µm, (B) SEM image of CuO ...
CuO-Nanoparticles were investigated for anti-diabetic activity, and they demonstrated excellent α-glucosidase (IC 50 of 183 µg/ml) and α-amylase (IC 50 of 124 µg/ml) inhibition effects.
SEM images of different CuO nanostructures produced from …
In this paper, we have fabricated enzyme-free H 2 O 2 electrochemical biosensing materials based on different CuO nanostructures prepared by varying precursor concentrations in simple...
CuO/ZnO 复合光催化剂的制备和性能 - cjmr.org
以十六烷基三甲基溴化铵为生长调节剂用一步水热法合成了纳米CuO/ZnO复合光催化剂。 采用X射线衍射仪 (XRD)、扫描电子显微镜 (SEM)、X 射线光电子能谱仪 (XPS)、荧光光谱仪 (FL)和紫外-可见光谱仪 (UV-Vis)等手段对其表征，在紫外光照射下研究了不同CuO配比的复合光催化剂对目标降解物甲基橙的光催化效果和循环稳定性。 结果表明，CuO/ZnO复合光催化剂主要由CuO纳米颗粒和ZnO纳米片组成；引入适量的CuO可调节ZnO 的光吸收性能，提高紫外光催化效率；过 …
CuO纳米阵列结构光阴极的制备及其光电化学分解水的性能
用原位基体加热反应磁控溅射方法制备具有强捕光和电荷分离能力的CuO纳米阵列(CuO NAs)光阴极,并改变氧分压、基底温度、腔体压力以及溅射时间等参数调控其相组成、晶体形貌、晶体生长取向、晶面暴露、厚度以及电子结构。