- 양극산화법에 의한 TiO2 나노튜브 어레이의 제조 및 광전기화학적 특성에 관한 연구
- ㆍ 저자명
- 김선민,조권구,최영진,김기원,류광선,Kim. Seon-Min,Cho. Kwon-Koo,Choe. Yeong-Jin,Kim. Ki-Won,Ryu. Kwang-Sun
- ㆍ 간행물명
- 한국분말야금학회지
- ㆍ 권/호정보
- 2010년|17권 3호|pp.216-222 (7 pages)
- ㆍ 발행정보
- 한국분말야금학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
Self-standing $TiO_2$ nanotube arrays were fabricated by potentiostatic anodic oxidation method using pure Ti foil as a working electrode and ethylene glycol solution as electrolytes with small addition of $NH_4F$ and $H_2O$. The influences of anodization temperature and time on the morphology and formation of $TiO_2$ nanotube arrays were investigated. The fabricated $TiO_2$ nanotube arrays were applied as a photoelectrode to dye-sensitized solar cells. Regardless of anodizing temperature and time, the average diameter and wall thickness of $TiO_2$ nanotube show a similar value, whereas the thickness show a different trend with reaction temperature. The thickness of $TiO_2$ nanotube arrays anodized at $20^{circ}C$ and $30^{circ}C$ was time-dependent, but on the other hand its at $10^{circ}C$ are independent of anodization time. The conversion efficiency is low, which is due to a morphology breaking of the $TiO_2$ nanotube arrays in manufacturing process of photoelectrode.