CAJ | 학술논문

以钛-乙二醇配合物纳米棒为模板,结合湿浸渍焙烧法制备了不同长度的钛酸镉( CdTiO3)纳米棒.采用扫描电子显微镜( SEM)、透射电子显微镜( TEM)、广角X射线粉末衍射仪( XRD)、傅里叶变换红外光谱仪( FTIR)、热重分析仪( TG)及紫外-可见光谱仪( UV-Vis)等对前驱体及CdTiO3纳米棒进行了表征.结果表明,得到的CdTiO3纳米棒长度分别约为50,20和10μm,且无杂相,晶化度高,尺寸均一.负载1%(质量分数)铂作为助催化剂后,制备的不同长度CdTiO3纳米棒具有比CdTiO3纳米粒子更高的光催化产氢活性.其中,最长的CdTiO3纳米棒具有最高的产氢活性(~52.9μmol/h).
이태-을이순배합물납미봉위모판,결합습침지배소법제비료불동장도적태산력( CdTiO3)납미봉.채용소묘전자현미경( SEM)、투사전자현미경( TEM)、엄각X사선분말연사의( XRD)、부리협변환홍외광보의( FTIR)、열중분석의( TG)급자외-가견광보의( UV-Vis)등대전구체급CdTiO3납미봉진행료표정.결과표명,득도적CdTiO3납미봉장도분별약위50,20화10μm,차무잡상,정화도고,척촌균일.부재1%(질량분수)박작위조최화제후,제비적불동장도CdTiO3납미봉구유비CdTiO3납미입자경고적광최화산경활성.기중,최장적CdTiO3납미봉구유최고적산경활성(~52.9μmol/h).
CdTiO3 nanorods with different length were prepared from titanium glycolate nanorod template, combined with wet impregnation method and further calcination. The samples were characteried by scanning electron microscope ( SEM ) , transmission electron microscope ( TEM ) , wide-angle X-ray diffractometer (XRD), Fourier transform infrared spectrometer(FTIR), thermogravimetric analyser(TG) and ultraviolet-visible spectrometer(UV-Vis). The prepared CdTiO3 nanorods are uniform with high crystallinity and high purity, and are about 50, 20, 10 μm in length, respectively. After loaded 1%( mass fraction) platinum as co-catalyst, their photocatalytic properties for H2 production were studied. Compared with CdTiO3 nanoparti-cles, the CdTiO3 nanorods show higher photocatalytic activity. The H2 producton performance for the longest nanorods is up to 52. 9 μmol/h.