2017年8月21日 · In this work, we employ environmental TEM to observe the structural evolution of Cu 2 O/Cu interfaces at the atomic scale and in real time in a reducing environment inside the microscope.

2020年7月13日 · In this study, we show that we can electrochemically deposit Cu 2 O cubes directly from an aqueous CuSO 4 solution within the LCs, and follow their subsequent stability in a CO 2 -saturated KHCO...

2020年7月15日 · Cuprous oxide (Cu2O) nanoparticles are synthesized by aqueous precipitation method for the production of low-cost conductive ink, which is suitable for a printed, electronic application. The major drawback of copper ink, such as rapid oxidation overcomes by the formation of Cu2O ink.

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...

2023年6月15日 · Phase-engineered Cu@Cu 2 O core–shell nanospheres exhibit an optimized C 2+ products selectivity of 79%, including C 2 H 4 selectivity reaching 44%. The adsorption behaviors of both CO 2 reactant and *CO intermediate …

2020年4月1日 · Herein, we present in-situ atomic visualization of a model Cu 2 O crystal growth during gas-phase oxidation process, revealing the atom-by-atom mechanisms from the formation of half unit cell 1D to 2D nucleus on existing perfect oxide surface to complete planar to 3D growth of Cu 2 O lattice.

2023年7月22日 · To address this, we use in situ environmental transmission electron microscopy (ETEM) to investigate the influence of Cu 2 O/Cu interfaces during MeOH reduction dynamics.

The high-resolution transmission electron microscope (HRTEM) image of CuO-Cu 2 O in Fig. 4b shows the presence of two different interplanar distances of 0.25 and 0.24 nm, corre- sponding to the...

2023年1月6日 · 通过在样品区域中流动H2来激活Cu2O/ Cu界面反应，同时通过高分辨率解决Cu2O→Cu界面转变HRTEM成像。 本工作结果解析了固-固界面转变的机理，对利用埋藏界面的结构缺陷来调节传质和转变动力学具有重要意义。 技术方案： 1、观测界面失配位错的形成. 选取Cu2O/Cu界面作为研究对象，利用气氛变化引起界面变化，采用原位HRTEM对界面失配位错进行识别和可视化处理。 原位环境TEM试验是在专用场发射环境TEM（FEI Titan 80–300）内进行 …

通过测量样品TEM图像中不同投影方向对应的相邻两个高指数晶面之间的夹角，根据面角守恒定律（如何标定晶面指数参见Nanoscale, 2020, 12, 16657）可以确定Cu 2 O三十面体暴露的晶面分别为24个高指数{332}晶面和6个低指数{001}晶面（图2）。