Journal ArticleDOI
Photodriven heterogeneous charge transfer with transition-metal compounds anchored to TiO2 semiconductor surfaces
Shane Ardo,Gerald J. Meyer +1 more
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A critical review of light-driven interfacial charge-transfer reactions of transition-metal compounds anchored to mesoporous, nanocrystalline TiO2 (anatase) thin films is described.Abstract:
A critical review of light-driven interfacial charge-transfer reactions of transition-metal compounds anchored to mesoporous, nanocrystalline TiO2 (anatase) thin films is described. The review highlights molecular insights into metal-to-ligand charge transfer (MLCT) excited states, mechanisms of interfacial charge separation, inter- and intra-molecular electron transfer, and interfacial charge-recombination processes that have been garnered through various spectroscopic and electrochemical techniques. The relevance of these processes to optimization of solar-energy-conversion efficiencies is discussed (483 references).read more
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Dye-Sensitized Solar Cells
TL;DR: Dye-sensitized solar cells (DSCs) offer the possibilities to design solar cells with a large flexibility in shape, color, and transparency as mentioned in this paper, and many DSC research groups have been established around the world.
Journal ArticleDOI
Graphitic Carbon Nitride (g-C3N4)-Based Photocatalysts for Artificial Photosynthesis and Environmental Remediation: Are We a Step Closer To Achieving Sustainability?
TL;DR: It is anticipated that this review can stimulate a new research doorway to facilitate the next generation of g-C3N4-based photocatalysts with ameliorated performances by harnessing the outstanding structural, electronic, and optical properties for the development of a sustainable future without environmental detriment.
Journal ArticleDOI
Semiconductor-mediated photodegradation of pollutants under visible-light irradiation
TL;DR: In this tutorial review, the unique mechanistic characteristics, the constitution of photodegradation systems and their performance are described and the involved radical reactions during the degradation are discussed.
Journal ArticleDOI
Artificial photosynthesis for solar water-splitting
TL;DR: In this paper, a vision for a future sustainable hydrogen fuel community based on artificial photosynthesis is outlined and current progress towards artificial photosynthetic devices is reviewed, with particular focus on visible light active nanostructures.
Journal ArticleDOI
Spatial separation of photogenerated electrons and holes among {010} and {110} crystal facets of BiVO4
Rengui Li,Fuxiang Zhang,Donge Wang,Jingxiu Yang,Jingxiu Yang,Mingrun Li,Jian Zhu,Jian Zhu,Xin Zhou,Hongxian Han,Can Li +10 more
TL;DR: The results show that the photogenrated electrons and holes can be separated between the different facets of semiconductor crystals, which may be useful in semiconductor physics and chemistry to construct highly efficient solar energy conversion systems.
References
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Journal ArticleDOI
Spectroscopy of conduction band electrons in transparent metal oxide semiconductor films: optical determination of the flatband potential of colloidal titanium dioxide films
TL;DR: In this paper, the flat band potential of the nanostructured film and the extinction coefficient of the electrons were derived by sintering 15nm-diameter colloidal anatase particles on a conducting glass support, which indicated the formation of an accumulation layer at the semiconductor/electrolyte interface under negative polarization.
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A high molar extinction coefficient sensitizer for stable dye-sensitized solar cells.
TL;DR: An amphiphilic heteroleptic polypyridyl ruthenium complex with a high molar extinction coefficient was synthesized and demonstrated as an efficient, thermostable sensitizer in nanocrystalline dye-sensitized solar cells.
Journal ArticleDOI
Surface complexation of colloidal semiconductors strongly enhances interfacial electron-transfer rates
TL;DR: In this article, the authors present a Web of Science Record created on 2006-02-21, modified on 2017-05-12, with the purpose of improving the quality of the record.
Journal ArticleDOI
Efficient panchromatic sensitization of nanocrystalline TiO2 films by a black dye based on a trithiocyanato-ruthenium complex
TL;DR: In this paper, a black trithiocyanato-ruthenium(II) terpyridylII complex was used to enhance the sensitization of nanocrystalline TiOI to solar cells.
Journal ArticleDOI
Charge separation versus recombination in dye-sensitized nanocrystalline solar cells: the minimization of kinetic redundancy.
Saif A. Haque,Emilio Palomares,Byung Moon Cho,Alex Green,Narukuni Hirata,David R. Klug,James R. Durrant +6 more
TL;DR: In this paper, the electron injection dynamics in complete dye-sensitized nanocrystalline metal oxide solar cells (DSSCs) were studied by transient absorption and emission studies.