共 29 条
Electrodeposited zirconium-doped α-Fe2O3 thin film for photoelectrochemical water splitting
被引:171
作者:

Kumar, Praveen
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Dayalbagh Educ Inst, Fac Sci, Dept Phys & Comp Sci, Agra 282005, Uttar Pradesh, India Dayalbagh Educ Inst, Fac Sci, Dept Phys & Comp Sci, Agra 282005, Uttar Pradesh, India

Sharma, Poonam
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Dayalbagh Educ Inst, Fac Sci, Dept Phys & Comp Sci, Agra 282005, Uttar Pradesh, India Dayalbagh Educ Inst, Fac Sci, Dept Phys & Comp Sci, Agra 282005, Uttar Pradesh, India

Shrivastav, Rohit
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Dayalbagh Educ Inst, Fac Sci, Dept Chem, Agra 282005, Uttar Pradesh, India Dayalbagh Educ Inst, Fac Sci, Dept Phys & Comp Sci, Agra 282005, Uttar Pradesh, India

Doss, Sahab
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Dayalbagh Educ Inst, Fac Sci, Dept Chem, Agra 282005, Uttar Pradesh, India Dayalbagh Educ Inst, Fac Sci, Dept Phys & Comp Sci, Agra 282005, Uttar Pradesh, India

Satsangi, Vibha R.
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Dayalbagh Educ Inst, Fac Sci, Dept Phys & Comp Sci, Agra 282005, Uttar Pradesh, India Dayalbagh Educ Inst, Fac Sci, Dept Phys & Comp Sci, Agra 282005, Uttar Pradesh, India
机构:
[1] Dayalbagh Educ Inst, Fac Sci, Dept Phys & Comp Sci, Agra 282005, Uttar Pradesh, India
[2] Dayalbagh Educ Inst, Fac Sci, Dept Chem, Agra 282005, Uttar Pradesh, India
关键词:
Hematite;
Electrodeposition;
Photoelectrochemical;
Hydrogen;
HEMATITE;
PHOTOANODES;
OXIDATION;
SPECTRUM;
RAMAN;
IR;
D O I:
10.1016/j.ijhydene.2010.11.107
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
Nanostructured hematite thin films were doped with zirconium successfully using electrodeposition method for their implementation as photoanode in photoelectrochemical (PEC) cell for hydrogen generation. XRD, Raman, XPS, SEM and UV-visible spectroscopy techniques were used to characterize the thin films. Highest photocurrent density of 2.1 mA/cm(2) at 0.6 V/SCE was observed for 2.0 at.% Zr4+ doped alpha-Fe2O3 sample with solar to hydrogen conversion efficiency of 1.43%. Flatband potential (-0.74 V/SCE) and donor density (2.6 x 10(21) cm(-3)) were found to be maximum for the same sample. These results suggest substantial potential of hematite thin films with controlled doping of zirconium in PEC water splitting applications. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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收藏
页码:2777 / 2784
页数:8
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