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.
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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.
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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.
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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
Highly efficient sensitization of titanium dioxide
TL;DR: In this article, the authors presented a method to detect the presence of viruses in the human brain using LPI-ARTICLE-1985-028, which was created on 2006-02-21, modified on 2017-05-12
Journal ArticleDOI
Dye-sensitized nanocrystalline solar cells
TL;DR: The basic physical and chemical principles behind the dye-sensitized nanocrystalline solar cell (DSC: also known as the Grätzel cell after its inventor) are outlined in order to clarify the differences and similarities between the DSC and conventional semiconductor solar cells.
Journal ArticleDOI
Investigation of influence of redox species on the interfacial energetics of a dye-sensitized nanoporous TiO2 solar cell
TL;DR: In this paper, a dye-sensitized nanoporous TiO2 solar cells are studied under influences of light intensity, redox couple concn., temp., different cations and water in the nonaq. soln.
Journal ArticleDOI
Local field effects on electron transport in nanostructured TiO2 revealed by terahertz spectroscopy.
TL;DR: The results demonstrate that electron mobility is strongly dependent on the material morphology in nanostructured polar materials due to local field effects and cannot be used as a direct measure of the diffusion coefficient.
Journal ArticleDOI
Pseudohalogens for Dye-Sensitized TiO2 Photoelectrochemical Cells
TL;DR: In this paper, the pseudohalogen redox couples for dye-sensitized TiO2 photoelectrochemical cells were characterized and the effects of the redox potential on open circuit photovoltage were determined by independent measurement of the sensitivity of the working electrode and the platinum counter electrode potentials.