【作者】 卓玉江； 褚莹；

【Author】 Yujiang Zhuo,Ying Chu~* Institute of Colloid and Interface Chemistry,Faculty of Chemistry,Northeast Normal University,130024,Changchun

【机构】 东北师范大学化学学院胶体与界面化学研究所；

【摘要】 通过银的修饰可以调控氧化锌纳米材料的氧空位和晶体缺陷,从而提高其光催化活性。利用表面活性剂辅助的液相化学法,在水溶液中锌基片上大面积的合成具有光学活性的银修饰的氧化锌一维纳米材料,此方法可以实现纳米材料的制备、组装与功能化的集成。改变表面活性剂的种类和用量可以调控产物的形貌和尺寸。通过荧光光谱测定所制备的银修饰的氧化锌在可见区480-650nm处有强的发射峰,表明银的掺杂能够调整氧化锌纳米晶的能态结构,改变其表面性质,从而有助于提高光催化反应的效率。更多还原

【Abstract】 The increased photocatalytic activity of silver-modified ZnO is reportedly due to the change in the surface properties such as oxygen vacancies and crystal defects.Highly photocatalytically active silver-modified ZnO one-dimensional nanocrystals have been designed and fabricated on Zn substrate by a surfactant-assisted colloidal chemical method.This method could achieve the effective preparation, assembly and function in the integration of nanomaterials.Using different surfactant we can control the size and the morphology of ZnO.The fluorescence spectroscopy showed a strong emission peak in the visible region(480-650nm) indicated that Ag could adjust the energy level surface states of ZnO, which can further improve the efficiency of photocatalytic reaction.更多还原