Spacing controllable method of IrO2/TiO2 nanotubes for oxygen evolution reaction in a neutral electrolyte

• Main Authors: Yu-Wei Chiu, 邱昱維
• Other Authors: Po-Chum Chen
• Format: Others
• Published: 2017
• Online Access: http://ndltd.ncl.edu.tw/handle/3c73en

碩士 === 國立臺北科技大學 === 材料科學與工程研究所 === 105 === Due to the increase of environment pollution, we need to find out a new method to convert energy. Water splitting has become eye-catching because of no pollution, but the low convertion is still a problem to solve. It is believed that the difficulty in oxygen evolution reaction. As a good catalyst in OER, it has high overpotential, good stability, and high turnover frequency( TOF ). And iridium oxide has those points. In our experiment, first we anodized on the titanium sheet . By our electrolyte, we can control the spacing between changing the voltage. Then we coated the irdium oxide on our titanium nanotubes by chemical bath deposition to get IrO2/TiO2 nanotubes, then we used SEM, XRD, EDS to observe the surface morphology. Using CV, LSV, EIS and to test the effective in OER, and finally we calculated the TOF to find out the best parameter for OER in a neutral electrolyte.