首页> 美国卫生研究院文献>Nanomaterials >Laser Induced Anchoring of Nickel Oxide Nanoparticles on Polymeric Graphitic Carbon Nitride Sheets Using Pulsed Laser Ablation for Efficient Water Splitting under Visible Light
【2h】

Laser Induced Anchoring of Nickel Oxide Nanoparticles on Polymeric Graphitic Carbon Nitride Sheets Using Pulsed Laser Ablation for Efficient Water Splitting under Visible Light

机译:激光诱导烧蚀在聚合石墨碳氮化物板上的氧化镍纳米粒子利用脉冲激光烧蚀在可见光下高效水分解

代理获取
本网站仅为用户提供外文OA文献查询和代理获取服务,本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文,但由于OA文献来源多样且变更频繁,仍可能出现获取不到、文献不完整或与标题不符等情况,如果获取不到我们将提供退款服务。请知悉。

摘要

A visible-light-active nickel oxide–graphitic carbon nitride (NiO@g-CN) hetero-structured nanocomposite was synthesized for the first time by pulsed laser ablation in liquid and used as a photoanode material in photoelectrochemical water-splitting reaction with a solar simulator. It was found that the photoelectrochemical performance of PLAL synthesized NiO@g-CN nanocomposite as photoanode, compared to g-CN as photoanode showed fourfold enhancements in photocurrent density under visible light. FT-IR, XRD, FE-SEM, and EDX consistently showed the proper anchoring of nano-sized NiO on g-CN. UV-DRS and the band gap estimation showed the narrowing down of the band gap energy and consequent enhancement in the visible-light absorption, whereas photoluminescence spectroscopy confirmed the reduction of the recombination of photo-excited electron hole pairs as a result of the anchoring of NiO on g-CN. The photoelectrochemical performance of g-CN and the NiO@g-CN nanocomposite photoanodes was compared by linear sweep voltammetry (LSV), Chronoamperometry (I-t), and Electrochemical Impedance Spectroscopy (EIS). All of these results of the characterization studies account for the observed fourfold enhancement of photocurrent density of NiO@g-CN nanocomposite as photoanode in the photoelectrochemical reaction.
机译:可见光活性的氧化镍-石墨碳氮化物(NiO @ g-CN)异质结构纳米复合材料是通过脉冲激光烧蚀在液体中首次合成的,并用作与太阳能发生光电化学水分解反应的光阳极材料。模拟器。发现与以g-CN为光阳极相比,PLAL合成的NiO @ g-CN纳米复合材料作为光阳极的光电化学性能在可见光下光电流密度提高了四倍。 FT-IR,XRD,FE-SEM和EDX始终显示纳米NiO在g-CN上的正确锚固。 UV-DRS和带隙估计表明,带隙能量变窄,可见光吸收随之增强,而光致发光光谱法则证实,由于电子束的固定,光激发电子空穴对的重组减少。在g-CN上的NiO。通过线性扫描伏安法(LSV),计时电流法(I-t)和电化学阻抗谱(EIS)比较了g-CN和NiO @ g-CN纳米复合光阳极的光电化学性能。表征研究的所有这些结果说明了在光电化学反应中观察到的NiO @ g-CN纳米复合材料作为光阳极的光电流密度提高了四倍。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
代理获取

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号