scholarly journals Recent Advances of Metal‐Oxide Photoanodes: Engineering of Charge Separation and Transportation toward Efficient Solar Water Splitting

Solar RRL ◽  
2020 ◽  
Vol 4 (8) ◽  
pp. 1900509 ◽  
Author(s):  
Mu Xiao ◽  
Bin Luo ◽  
Zhiliang Wang ◽  
Songcan Wang ◽  
Lianzhou Wang
Keyword(s):  
Metal Oxide ◽  
Water Splitting ◽  
Charge Separation ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Recent Advances

Surface Engineering of Metal Oxide Photoelectrodes for Improved Band Alignment in Solar Water Splitting Cells

2016 ◽  
Vol 879 ◽  
pp. 832-837 ◽  
Author(s):  
Soong Leong Sim ◽  
Ye Ru Liu ◽  
Ying Woan Soon ◽  
James Robert Jennings
Keyword(s):  
Metal Oxide ◽  
Water Splitting ◽  
Charge Separation ◽  
Diffusion Length ◽  
Separation Efficiency ◽  
Electron Diffusion ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Charge Separation Efficiency ◽  
Electron Diffusion Length

Several earth-abundant transition-metal oxides (e.g. Fe2O3, CoO, and Cu2O) possessing suitable band gaps for solar water splitting exist, but energy level alignment is often sub-optimal, i.e. the conduction and valence bands do not straddle the water oxidation and reduction potentials. Here, using a nanocrystalline-TiO2-based photoelectrochemical cell as a model system, we investigate the effect of tuning the semiconductor energy levels by adding Li+ ions to the electrolyte. The effect of LiClO4 addition on band edges, interfacial recombination resistance, electron diffusion length, and charge-separation efficiency were quantified by impedance spectroscopy and analysis of incident photon-to-current efficiency spectra. We find that the TiO2 band edges are shifted toward positive potentials by the addition of Li+, and that this increases the apparent electron diffusion length without affecting the charge-separation efficiency, most likely due to a change in the driving force for O2 reduction. These results should prove useful in the modeling and optimization of solar water splitting cells employing metal oxide photoelectrodes.

Combinatorial Fabrication and High-Throughput Characterization of Thin Film Metal Oxide Libraries for Solar water Splitting

2018 ◽  
Author(s):  
Alfred Ludwig ◽  
Mona Nowak ◽  
Swati Kumari ◽  
Helge S. Stein ◽  
Ramona Gutkowski ◽  
...  
Keyword(s):  
Thin Film ◽  
Metal Oxide ◽  
Water Splitting ◽  
High Throughput ◽  
Solar Water ◽  
Solar Water Splitting

(Invited) Characterization of Charge Transfer and Recombination Processes at Metal Oxide Semiconductors for Solar Water Splitting

2021 ◽  
Vol MA2021-01 (39) ◽  
pp. 1251-1251
Author(s):  
Gerko Oskam ◽  
Ingrid Rodriguez Gutierrez ◽  
Manuel Rodríguez Pérez ◽  
Alberto Vega Poot ◽  
Geonel Rodriguez Gattorno ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Metal Oxide ◽  
Water Splitting ◽  
Metal Oxide Semiconductors ◽  
Oxide Semiconductors ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Recombination Processes

Metal oxide semiconductors for solar water splitting

2018 ◽  
pp. 205-249 ◽  
Author(s):  
Jing Wang ◽  
Teunis van Ree ◽  
Yuping Wu ◽  
Peng Zhang ◽  
Lian Gao
Keyword(s):  
Metal Oxide ◽  
Water Splitting ◽  
Metal Oxide Semiconductors ◽  
Oxide Semiconductors ◽  
Solar Water ◽  
Solar Water Splitting

Solar water splitting with a composite silicon/metal oxide semiconductor electrode

2006 ◽  
Author(s):  
Yoshihiro Nakato ◽  
Naoaki Kato ◽  
Akihito Imanishi ◽  
Takashi Sugiura ◽  
Shunsuke Ogawa ◽  
...  
Keyword(s):  
Metal Oxide ◽  
Water Splitting ◽  
Metal Oxide Semiconductor ◽  
Oxide Semiconductor ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Semiconductor Electrode ◽  
Composite Silicon

Overcoming Performance Losses in Scaling-up Metal Oxide-based Solar Water Splitting Devices

2019 ◽  
Author(s):  
Fatwa F. Abdi ◽  
Ibbi Y. Ahmet ◽  
Yimeng Ma ◽  
Ronald R. Gutierrez ◽  
Roel van de Krol ◽  
...  
Keyword(s):  
Metal Oxide ◽  
Water Splitting ◽  
Scaling Up ◽  
Solar Water ◽  
Solar Water Splitting

Novel Black BiVO 4 /TiO 2− x Photoanode with Enhanced Photon Absorption and Charge Separation for Efficient and Stable Solar Water Splitting

2019 ◽  
Vol 9 (27) ◽  
pp. 1901287 ◽  
Author(s):  
Zhangliu Tian ◽  
Pengfei Zhang ◽  
Peng Qin ◽  
Du Sun ◽  
Shaoning Zhang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Charge Separation ◽  
Photon Absorption ◽  
Solar Water ◽  
Solar Water Splitting

scholarly journals Planar and Nanostructured n‐Si/Metal‐Oxide/WO 3 /BiVO 4 Monolithic Tandem Devices for Unassisted Solar Water Splitting

2020 ◽  
Vol 1 (2) ◽  
pp. 2000037
Author(s):  
Ibbi Y. Ahmet ◽  
Sean Berglund ◽  
Abdelkrim Chemseddine ◽  
Peter Bogdanoff ◽  
Raphael F. Präg ◽  
...  
Keyword(s):  
Metal Oxide ◽  
Water Splitting ◽  
Solar Water ◽  
Solar Water Splitting

scholarly journals Enhanced photoelectrochemical water splitting using oxidized mass-selected Ti nanoclusters on metal oxide photoelectrodes

2017 ◽  
Vol 1 (2) ◽  
pp. 336-344 ◽  
Author(s):  
Andrew McInnes ◽  
Simon R. Plant ◽  
Isabel Mecking Ornelas ◽  
Richard E. Palmer ◽  
K. G. Upul Wijayantha
Keyword(s):  
Metal Oxide ◽  
Water Splitting ◽  
Photoelectrochemical Water Splitting ◽  
Solar Water ◽  
Solar Water Splitting

Mass-selected Ti nanoclusters have been used to enhance the photocurrent of BiVO4 photoelectrodes for enhanced solar water splitting.

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