2020年2月3日 · In this work, highly Cu2O film purity have been synthesized via electrodeposition technique by means of a variable applied potential [cyclic voltammetry (CV), linear sweep voltammetry (LSV) and − 0.5 V]. This paper highlights the effect of using variable potential approaches during the film preparation on the properties of Cu2O-deposited films. The prepared films were analyzed by X-ray ...

2022年10月11日 · Oxide-derived Cu (OD-Cu) exhibits unique and excellent C2 product selectivity (ethanol, ethylene, etc.) in the field of electrocatalytic reduction reaction of CO2 (eCO2RR), which has a great application value in realizing effective storage of renewable energy and the artificial closed carbon cycle. However, the Cu2O structure encounters complex structure evolution under negative potential ...

2017年8月1日 · Cyclic voltammetry (CV) measurement was carried out on this sample to determine the ideal potential range for fabrication of p-type Cu 2 O on n-type Cu 2 O/FTO substrate. ... Xiong L. and Yu Y. 2015 Cu2O Homojunction Solar Cells: F-Doped N-type Thin Film and Highly Improved Efficiency J. Phys. Chem. C 119 22803-22811.

2013年11月1日 · CV curves were recorded at 25 °C in a three electrode cell with a LK3200A (Lanlike Co. Ltd., CN).The cell exposed a 1 cm 2 portion of the samples to be work electrodes. A flat platinum mesh was served as a counter electrode. All potentials were measured against the saturated calomel electrode (SCE, + 0.2415 V vs NHE) and quoted against this scale.

Download scientific diagram | CV curves of a Cu2O and b CuO/Cu2O electrodes. Initial three charge-discharge curves of c Cu2O and d CuO/Cu2O electrodes at a current density of 0.6 mA cm⁻² from ...

2024年2月27日 · Cyclic voltammetry (CV) and linear scanning voltammetry (LSV) were employed to test the electrochemical activity of the selected representative standards (The scan rate was 5 mV s −1). The double-layer capacitance (C dl) was calculated by combining test scan rates of 10–100 mV s −1 with CV curves at 0.50 V vs RHE and Δj/2 = (j a −j c)/2.

2019年7月12日 · The CV technique was used in the first step to prepare copper oxide semiconductors and, the voltammogram was taken in the range from +500 to −500 mV (initial potential of +500 mV). This technique was utilized for the following purposes; to determine the ED potential for the preparation of semiconductors, to provide a methodical nucleation. ...

2019年12月12日 · 上图显示了空白cv，而下图显示了在存在cv的情况下测得的cv。 co。在中性和弱碱性介质中，磷酸盐峰（红线）更加尖锐。值得一提的是，cv上的尖峰通常是表面有序的迹象，因为尖锐的特征通常会在长梯田区域中发展出吸附电解质的有序吸附层。

2019年12月5日 · The results demonstrate that the LSPR enhancement dominates charge-transfer resonance contribution in SERS of Cu/Cu2O-CV and Cu/Cu2O -MB systems. The reproducibility of the prepared SERS substrates was investigated and the SERS signals intensity variation was <28%. Graphical abstract.

2024年4月24日 · A study introduces a novel method to grow single-crystal Cu2O thin films with selected crystal orientations, highlighting enhanced bulk&nbsp;carrier mobility and carrier diffusion length&nbsp ...