湖北大学学报(自然科学版)
湖北大學學報(自然科學版)
호북대학학보(자연과학판)
2015年
5期
502-505
,共4页
TiO2纳米管%可控制备%FTO
TiO2納米管%可控製備%FTO
TiO2납미관%가공제비%FTO
TiO2 nanotubes%controllable synthesis%FTO
采用直流磁控溅射法在透明导电玻璃FTO上制备了表面平整、致密度高的Ti膜,经过在含氟化物电解液中的阳极氧化过程后得到了垂直于FTO的高度有序的TiO2纳米管阵列.通过调节阳极氧化反应过程中的电压、温度参数,得到了一系列具有不同孔径、壁厚、长径比、管密度的TiO2纳米管阵列,从扫描电镜(SEM)的结果中可以得出,TiO2纳米管的各项管参数与反应条件电压、温度呈线性关系.其中,氧化电压对纳米管管径起主要影响作用,管内径由49.3 nm至75.3 nm连续可调,而温度对纳米管壁厚起明显作用,管壁厚度从11.6 nm变化到38.1 nm.由此得到的多尺寸TiO2纳米管阵列对前入式光照的光伏器件的应用具有重大意义.①
採用直流磁控濺射法在透明導電玻璃FTO上製備瞭錶麵平整、緻密度高的Ti膜,經過在含氟化物電解液中的暘極氧化過程後得到瞭垂直于FTO的高度有序的TiO2納米管陣列.通過調節暘極氧化反應過程中的電壓、溫度參數,得到瞭一繫列具有不同孔徑、壁厚、長徑比、管密度的TiO2納米管陣列,從掃描電鏡(SEM)的結果中可以得齣,TiO2納米管的各項管參數與反應條件電壓、溫度呈線性關繫.其中,氧化電壓對納米管管徑起主要影響作用,管內徑由49.3 nm至75.3 nm連續可調,而溫度對納米管壁厚起明顯作用,管壁厚度從11.6 nm變化到38.1 nm.由此得到的多呎吋TiO2納米管陣列對前入式光照的光伏器件的應用具有重大意義.①
채용직류자공천사법재투명도전파리FTO상제비료표면평정、치밀도고적Ti막,경과재함불화물전해액중적양겁양화과정후득도료수직우FTO적고도유서적TiO2납미관진렬.통과조절양겁양화반응과정중적전압、온도삼수,득도료일계렬구유불동공경、벽후、장경비、관밀도적TiO2납미관진렬,종소묘전경(SEM)적결과중가이득출,TiO2납미관적각항관삼수여반응조건전압、온도정선성관계.기중,양화전압대납미관관경기주요영향작용,관내경유49.3 nm지75.3 nm련속가조,이온도대납미관벽후기명현작용,관벽후도종11.6 nm변화도38.1 nm.유차득도적다척촌TiO2납미관진렬대전입식광조적광복기건적응용구유중대의의.①
Vertical aligned crystalline TiO2 nanotubes on FTO- coated glass were obtained from anodization of DC sputtered Ti films in ammonium fluoride containing ethylene glycol solutions. The films were studied using scanning electron microscopy (SEM) after anodization. The influence of different anodization parameters such as applied voltage or anodization temperature was systematically analyzed revealing that controllable synthesis over tube diameter,spacing,and tube wall thickness is possible. Furthermore,the inner tube diameters can be tuned using different voltages,and it ranges from 49.3 nm to 75.3 nm flexibly. Tube wall thickness can be controlled via the anodization temperature,varies from 11.6 nm to 38.1 nm. The desirable TiO2 nanotubes can be successfully used in the fabrication of photovoltaic devices via frontside illumination.