학회 | 한국공업화학회 |
학술대회 | 2016년 가을 (10/26 ~ 10/28, 제주국제컨벤션센터(ICCJEJU)) |
권호 | 20권 2호 |
발표분야 | 환경에너지_포스터 |
제목 | Effect of Tetravalent Dopants on Hematite Nanostructure for Efficient Solar Water Splitting |
초록 | Tetravalent doping was performed on hydrothermally grown akaganeite (β-FeOOH) nanorods on FTO (Fluorine doped Tin Oxide) substrates by simple dipping method using respective metal precursor solution, followed by high temperature (800 °C) sintering. Photocurrent density for pristine (α-Fe2O3) photoanode was ~0.81 mA/cm2 at 1.23 VRHE. Si4+ doped photoanode shows slight increment in photocurrent with no change in the onset potential than pristine photoanode. However Sn4+ and Ti4+ doped photoanode shows an anodic shift in onset potential with an increment in photocurrent. Interestingly, Zr4+ doped photoanode exhibit a similar onset potential like pristine. This work was supported by the BK21 plus program through the National Research Foundation (NRF) funded by the Ministry of Education of Korea |
저자 | Arunprabaharan Subramanian1, 박진우1, Eduardo Gracia-Espino2, Alagappan Annamalai2, 이현휘3, 이수영3, 최선희3, 장점석1 |
소속 | 1전북대, 2Umea Univ., 3포항가속기(연) |
키워드 | water splitting; hematite; akaganeite; sintering; nanorods; onset potential |