分子筛组装法制备纳米ＳｎＯ_２半导体及理化性能的研究张景新，王学勤，王祥生（大连理工大学工业催化剂研究所）ＳｎＯ２半导体作为气敏材料取得了广泛的应用。ＣｈａｏｎａｎＸｕ等的研究表明，当ＳｎＯ２粒子的尺寸小于其空间电荷层厚度的两倍（～６ｎｍ）时，粒径对?.. Study on Preparation and Physical and Chemical Properties of Nanosized SnO_2 Semiconductors by Molecular Sieve Assembly Method Zhang Jingxin, Wang Xueqin, Wang Xiangsheng (School of Chemical Industry and Engineering, Dalian University of Technology) SnO2 semiconductors have been widely used as gas sensitive materials. Studies by Chaonan Xu et al. Show that when the size of the SnO 2 particles is less than twice (~ 6 nm) the thickness of their space charge layer, the particle size is.