摘要
用脉冲激光沉积(PLD)技术在导电玻璃(FTO)衬底上沉积Ti膜,采用电化学阳极氧化方法,细致研究了FTO衬底上多孔TiO2纳米有序阵列膜的可控生长.结果表明,恰当的阳极电压对形成高度有序、孔径均匀的多孔TiO2/FTO阵列膜至关重要;通过优化的工艺参数,借助阳极氧化过程中各阶段电流-时间(I-t)曲线的准确判断,可实现对多孔TiO2阵列膜生长过程的有效控制,制备出高质量的多孔TiO2/FTO阵列膜.
High quality ordered porous TiO2 nanoarray membranes are successfully fabricated on transparent fluorine-doped tin oxide-coating（FTO）glass substrate by anodic oxidation of Ti films deposited with pulsed laser deposition（PLD）technique.The mechanism of controllable growth of ordered porous TiO2 nanoarrays is investigated.The results show that the suitable anodic voltage is crucial to form the highly ordered and uniform pore size distribution porous TiO2/FTO membranes.By optimizing the oxidation parameters and exactly judging the current-time（I-t）curves,the growth process of porous TiO2/FTO nanoarrays can be effectively controlled.Therefore,the ordered porous TiO2 membranes with thin compact titanium on FTO substrate can be prepared,which is beneficial to form organic-inorganic heterojunctions for photovoltaic applications.
出处
《西北师范大学学报（自然科学版）》
CAS
北大核心
2010年第4期37-42,共6页
Journal of Northwest Normal University(Natural Science)
基金
国家自然科学基金资助项目(10774121
10974155)
甘肃省自然科学基金资助项目(0803RJZA102)
甘肃省教育厅研究生导师基金资助项目(0801-09)
西北师范大学科技创新工程资助项目(NWNU-KJCXGC-03-22)
