掺杂剂
光催化
X射线光电子能谱
氨
拉曼光谱
材料科学
锐钛矿
介电谱
兴奋剂
二氧化钛
无机化学
核化学
电化学
催化作用
化学工程
化学
冶金
电极
有机化学
物理化学
工程类
物理
光学
光电子学
作者
Jake M. Walls,Jagdeep S. Sagu,K. G. Upul Wijayantha
出处
期刊:RSC Advances
[The Royal Society of Chemistry]
日期:2019-01-01
卷期号:9 (11): 6387-6394
被引量:30
摘要
Palladium doped anatase TiO2 nanoparticles were synthesised by a rapid (3 min) one-pot microwave synthesis technique at low temperature and pressure. After being fully characterised by SEM, XRD, Raman, XPS and EDX, photocatalytic nitrate reduction and ammonia production were studied over various dopant levels between 0-3.97 wt% Pd and compared to similar previous literature. Improved yields of ammonia were observed with most dopant levels when compared to non-doped microwave synthesised TiO2 with 2.65 wt% found to be the optimum dopant level producing 21.2 μmol NH3. Electrochemical impedance spectroscopy of TiO2 and Pd-TiO2 photoelectrodes revealed improvements in charge transfer characteristics at high Pd dopant levels.
科研通智能强力驱动
Strongly Powered by AbleSci AI