CAJ | 학술논문

采用溶胶-凝胶工艺成功获得了Ni/Ti摩尔比为0 .1/1的均匀凝胶，然后经过一定时间的老化、干燥得到干凝胶，最后在适当的还原气氛中热处理制备了Ni-TiO2纳米复合材料。采用XRD和TEM等实验手段对所得纳米复合材料进行分析和表征，发现可以通过控制热处理条件来控制相结构和晶粒尺寸。采用BET吸附/解吸法进行了测量，证明这种材料具有介孔尺度的多孔结构，孔径2.8 nm左右，BET比表面积为49.1 m2/g。
채용용효-응효공예성공획득료Ni/Ti마이비위0 .1/1적균균응효，연후경과일정시간적노화、간조득도간응효，최후재괄당적환원기분중열 처리제비료Ni-TiO2납미복합재료。채용XRD화TEM등실험수단대소득납미복합재료진행분 석화표정，발현가이통과공제열처리조건래공제상결구화정립척촌。채용BET흡부/해흡법진 행료측량，증명저충재료구유개공척도적다공결구，공경2.8 nm좌우，BET비표면적위49.1 m2/g。
Homogeneous gel with the composition 0.1 Ni-1 Ti(in mole%) was synthesized via the sol-gel process. Xerogel was then obtained throu gh aging and drying. The Ni-TiO2 nanocermet was finally prepared by heat trea tment under a suitable reducing atmosphere. The nanocermet thus obtained was exa mined by XRD and TEM. It was detected that the structure and grain sizes could b e manipulated by altering the heat treating conditions. The porosity of the nano cermet was measured by the BET method. The result proved that the nanocermet pos sessed a mesoporous structure with the pore radii of about 2.8 nm and the specif ic surface area of 49.1 m2/g.