Nanostructured Ternary FeCrAl Oxide Photocathodes for Water Photoelectrolysis

被引：12

作者：

Kondofersky, Ilina ^{[1
,2
]}

Mueller, Alexander ^{[1
,2
,3
]}

Dunn, Halina K. ^{[1
,2
]}

Ivanova, Alesja ^{[1
,2
]}

Stefanic, Goran ^{[4
]}

Ehrensperger, Martin ^{[1
,2
]}

Scheu, Christina ^{[3
]}

Parkinson, Bruce A. ^{[5
,6
]}

Fattakhova-Rohlfing, Dina ^{[1
,2
]}

Bein, Thomas ^{[1
,2
]}

机构：

[1] Univ Munich, Dept Chem, Butenandtstr 5-13 E, D-81377 Munich, Germany

[2] Univ Munich, Ctr NanoSci CeNS, Butenandtstr 5-13 E, D-81377 Munich, Germany

[3] Max Planck Inst Eisenforsch GmbH, Max Planck Str 1, D-40237 Dusseldorf, Germany

[4] Rudjer Boskovic Inst, Div Mat Chem, POB 180, Zagreb 10002, Croatia

[5] Univ Wyoming, Dept Chem, 1000 East Univ Ave, Laramie, WY 82071 USA

[6] Univ Wyoming, Sch Energy Resources, 1000 East Univ Ave, Laramie, WY 82071 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2016年 / 138卷 / 06期

关键词：

THERMAL-DECOMPOSITION; COMBINATORIAL DISCOVERY; HEMATITE PHOTOANODES; CR; FE; PERFORMANCE; THICKNESS; OXIDATION; OPAL; AL;

D O I：

10.1021/jacs.5b08040

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A sol-gel method for the synthesis of semiconducting FeCrAl oxide photocathodes for solar-driven hydrogen production was developed and applied for the production of meso- and macroporous layers with the overall stoichiometry Fe0.84Cr1.0Al0.16O3. Using transmission electron microscopy and energy-dispersive X-ray spectroscopy, phase separation into Fe- and Cr-rich phases was observed for both morphologies. Compared to prior work and to the mesoporous layer, the macroporous FeCrAl oxide photocathode had a significantly enhanced photo electrolysis performance, even at a very early onset potential of 1.1 V vs RHE. By optimizing the macroporous electrodes, the device reached current densities of up to 0.68 mA cm(-2) at 0.5 V vs RHE under AM 1.5 with an incident photon-to-cur-rent efficiency (IPCE) of 28% at 400 nm without the use of catalysts. Based on transient measurements, this performance increase could be attributed to an improved collection efficiency. At a potential of 0.75 V vs RHE, an electron transfer efficiency of 48.5% was determined.

引用

页码：1860 / 1867

页数：8

共 50 条

[1] OXIDE SEMICONDUCTORS FOR WATER PHOTOELECTROLYSIS
ALKAITIS, SA
RAUH, RD
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1979, 126 (03) : C134 - C135
[2] Hydrogen evolution from solar water splitting on nanostructured copper oxide photocathodes
Momeni M.M.
Nazari Z.
Nazari, Z. (z.naazari001@gmail.com), 1600, Taylor and Francis Ltd. (21): : 15 - 20
[3] PHOTOELECTROLYSIS OF WATER ON SEMICONDUCTING OXIDE ELECTRODES
KOFFYBERG, FP
JOURNAL OF THE CANADIAN CERAMIC SOCIETY, 1979, 48 : 1 - 6
[4] Copper gallium diselenide photocathodes for solar photoelectrolysis
Marsen, Bjorn
Cole, Brian
Dorn, Susanne
Rocheleau, Richard E.
Miller, Eric L.
SOLAR HYDROGEN AND NANOTECHNOLOGY II, 2007, 6650
[5] IRON-OXIDE ELECTRODES FOR PHOTOELECTROLYSIS OF WATER
GIORDANO, N
PASSALACQUA, E
ANTONUCCI, V
BART, JCJ
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 1983, 8 (10) : 763 - 766
[6] Dual beam irradiation of nanostructured FeCrAl oxide dispersion strengthened steel
Chen, C. -L.
Richter, A.
Koegler, R.
Talut, G.
JOURNAL OF NUCLEAR MATERIALS, 2011, 412 (03) : 350 - 358
[7] SYSTEM FOR HYDROGEN-PRODUCTION BY WATER PHOTOELECTROLYSIS WITH P-SI AND P-INP PHOTOCATHODES
POPKIROV, GS
SAKHAROVA, AY
PLESKOV, YV
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 1988, 13 (11) : 681 - 684
[8] Combinatorial discovery and optimization of a complex oxide with water photoelectrolysis activity
Woodhouse, Michael
Parkinson, B. A.
CHEMISTRY OF MATERIALS, 2008, 20 (07) : 2495 - 2502
[9] Cuprous oxide photocathodes for solar water splitting
Cheng, Jinshui
Wu, Linxiao
Luo, Jingshan
CHEMICAL PHYSICS REVIEWS, 2022, 3 (03):
[10] Ternary oxide nanostructured materials for supercapacitors: a review
Chen, Di
Wang, Qiufan
Wang, Rongming
Shen, Guozhen
JOURNAL OF MATERIALS CHEMISTRY A, 2015, 3 (19) : 10158 - 10173

← 1 2 3 4 5 →