通过在碳布(carbon cloth, CC)表面原位生长UIO-66-NH2,记为CC@UIO-66-NH2。采用湿还原法将铂纳米颗粒沉积在CC@UIO-66-NH2晶体膜表面,经高温热处理形成CC@UIO-66-NH2/pt自支撑电极材料。通过场发射扫描电子显微镜(SEM)和X射线粉末衍射...通过在碳布(carbon cloth, CC)表面原位生长UIO-66-NH2,记为CC@UIO-66-NH2。采用湿还原法将铂纳米颗粒沉积在CC@UIO-66-NH2晶体膜表面,经高温热处理形成CC@UIO-66-NH2/pt自支撑电极材料。通过场发射扫描电子显微镜(SEM)和X射线粉末衍射仪(XRD)对UIO-66-NH2晶体生长情况和Pt在晶体表面分布情况进行表征,结合电化学催化性能测试,研究样品在酸性介质中的析氢反应(hydrogen evolution reaction, HER)性能。该催化剂在酸性介质中表现出良好的HER活性,电流密度为10 mA/cm2和100 mA/cm2的过电势分别为19和58 mV。Growing UIO-66-NH2 in situ on the surface of a carbon cloth (carbon cloth, CC), denoted as CC@UIO-66-NH2. Platinum nanoparticles were deposited on the surface of the CC @ UIO-66-NH2 crystal film by wet reduction method, and the CC@UIO-66-NH2/Pt self-supporting electrode material. The growth of UIO-66-NH2 crystal and the distribution of Pt on the crystal surface were characterized by field emission scanning electron microscopy (SEM) and X-ray powder diffraction instrument (XRD), combined with the electrochemical catalytic performance test to study the performance of hydrogen evolution reaction (hydrogen evolution reaction, HER) in acidic medium. The catalyst showed good HER activity in acidic media, with a current density of 10 mA/cm2 and 100 mA/cm2 of 19 and 58 mV, respectively.展开更多
文摘通过在碳布(carbon cloth, CC)表面原位生长UIO-66-NH2,记为CC@UIO-66-NH2。采用湿还原法将铂纳米颗粒沉积在CC@UIO-66-NH2晶体膜表面,经高温热处理形成CC@UIO-66-NH2/pt自支撑电极材料。通过场发射扫描电子显微镜(SEM)和X射线粉末衍射仪(XRD)对UIO-66-NH2晶体生长情况和Pt在晶体表面分布情况进行表征,结合电化学催化性能测试,研究样品在酸性介质中的析氢反应(hydrogen evolution reaction, HER)性能。该催化剂在酸性介质中表现出良好的HER活性,电流密度为10 mA/cm2和100 mA/cm2的过电势分别为19和58 mV。Growing UIO-66-NH2 in situ on the surface of a carbon cloth (carbon cloth, CC), denoted as CC@UIO-66-NH2. Platinum nanoparticles were deposited on the surface of the CC @ UIO-66-NH2 crystal film by wet reduction method, and the CC@UIO-66-NH2/Pt self-supporting electrode material. The growth of UIO-66-NH2 crystal and the distribution of Pt on the crystal surface were characterized by field emission scanning electron microscopy (SEM) and X-ray powder diffraction instrument (XRD), combined with the electrochemical catalytic performance test to study the performance of hydrogen evolution reaction (hydrogen evolution reaction, HER) in acidic medium. The catalyst showed good HER activity in acidic media, with a current density of 10 mA/cm2 and 100 mA/cm2 of 19 and 58 mV, respectively.
