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学科主题: 物理化学
题名: Ethylene glycol adjusted nanorod hematite film for active photoelectrochemical water splitting
作者: Fu, Li1, 2;  Yu, Hongmei1;  Li, Yongkun1, 2;  Zhang, Changkun1, 2;  Wang, Xunying1, 2;  Shao, Zhigang1;  Yi, Baolian1
通讯作者: 俞红梅 ;  邵志刚
刊名: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
发表日期: 2014
DOI: 10.1039/c3cp54240h
卷: 16, 期:9, 页:4284-4290
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: DNL03
项目归属: DNL0301
产权排名: 待补充
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
资助者: 1,1
研究领域[WOS]: Chemistry ;  Physics
英文摘要: We reported a facile adjusted method for the synthesis of high surface area nanorod hematite film as a photoanode for application in water splitting. Crystalline hematite nanorods (EG-alpha-Fe2O3) are fabricated by electrodeposition in Fe2+ precursor solution with the addition of ethylene glycol (EG) and followed by annealing at 450 degrees C. The nanorod hematite film fabricated by the modified electrodeposition approach exhibits a more uncompact structure than alpha-Fe2O3 obtained by directly electrodepositing on the FTO substrate. The optical and structural characteristics of the obtained film are also tested. The results infer that EG can tune the morphology of hematite and improve the photoabsorption in the visible light region due to its inducement of one-dimensional growth of crystal hematite. It also enhances the photoresponse activity of hematite in water splitting by improving the activities at the semiconductor/solution interface. The photocurrent density of EG-alpha-Fe2O3 nanorods increased to 0.24 mA cm(-2) at 1.4 V vs. RHE in 1 M KOH (pH = 13.6), almost 5 times higher than the original alpha-Fe2O3 (0.05 mA cm(-2), measured under the same conditions).
关键词[WOS]: SOLAR-ENERGY ;  PHOTOANODES ;  PHOTOELECTROLYSIS ;  PHOTOCATALYSIS ;  CATALYSTS ;  PROGRESS ;  ARRAYS ;  FE2O3 ;  CELLS ;  OXIDE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000330779900048
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119790
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Fu, Li,Yu, Hongmei,Li, Yongkun,et al. Ethylene glycol adjusted nanorod hematite film for active photoelectrochemical water splitting[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2014,16(9):4284-4290.
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