Journal ArticleDOI
Influence of surface disorder, oxygen defects and bandgap in TiO2 nanostructures on the photovoltaic properties of dye sensitized solar cells
TLDR
In this paper, the effect of oxygen vacancies (VO), introduced in the anatase TiO2 by hydrogenation, on the photovoltaic (PV) characteristics is discussed.About:
This article is published in Solar Energy Materials and Solar Cells.The article was published on 2016-01-01. It has received 67 citations till now. The article focuses on the topics: Band gap.read more
Citations
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Journal ArticleDOI
Portable point-of-use photoelectrocatalytic device provides rapid water disinfection
Renato Montenegro-Ayo,Ana C. Barrios,Indrayudh Mondal,Kartik Bhagat,Juan-Carlos Morales-Gomero,Morteza Abbaszadegan,Paul Westerhoff,François Perreault,Sergi Garcia-Segura +8 more
TL;DR: The electro-photocatalytic disinfection reactor in a kup (e-DRINK) can provide a feasible and affordable solution to ensure access to clean water and the potential for illumination to improve the efficiency of electrocatalytic surfaces is demonstrated.
Journal ArticleDOI
Effect of mixed valence state of titanium on reduced recombination for natural dye-sensitized solar cell applications
TL;DR: In this paper, the effect of mono and co-sensitization of natural dyes on the prepared nanocrystalline TiO2 photoanode for dye-sensoritized solar cell (DSSC) applications was investigated.
Journal ArticleDOI
CuInS2 quantum dot sensitized solar cells with high VOC ≈ 0.9 V achieved using microsphere-nanoparticulate TiO2 composite photoanode
TL;DR: In this article, the authors used 3-mercaptopropionic acid in a single phase one-step procedure to enable efficient loading of QDs onto photoanode and as linker molecule for charge carrier extraction.
Journal ArticleDOI
Whispering Gallery Mode Assisted Enhancement in the Power Conversion Efficiency of DSSC and QDSSC Devices Using TiO2 Microsphere Photoanodes
TL;DR: In this paper, a composite comprising a TiO2 mesoporous microsphere with smooth surface (SμS-TiO2) exhibiting whispering gallery modes (WGM) and a commercial TiO 2 nanoparticle (Degussa P25) with an optimum ratio (80:20 wt %) showed significant enhancement in photoconversion efficiency (PCE) of DSSC and QDSSC devices.
Journal ArticleDOI
Role of oxygen vacancies and interstitials on structural phase transition, grain growth, and optical properties of Ga doped TiO2
Nasima Khatun,Saurabh Tiwari,C. P. Vinod,Chuan-Ming Tseng,Shun Wei Liu,Sajal Biring,Somaditya Sen +6 more
TL;DR: In this paper, the effect of gallium doping on the structural phase transition and grain growth of TiO2 is investigated and it is shown that at lower doping, interstitials play a more significant role over substitution and oxygen vacancies, thereby resulting in a considerable lattice expansion.
References
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Journal ArticleDOI
Electrochemical Photolysis of Water at a Semiconductor Electrode
Akira Fujishima,Kenichi Honda +1 more
TL;DR: Water photolysis is investigated by exploiting the fact that water is transparent to visible light and cannot be decomposed directly, but only by radiation with wavelengths shorter than 190 nm.
Journal ArticleDOI
A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films
TL;DR: In this article, the authors describe a photovoltaic cell, created from low-to medium-purity materials through low-cost processes, which exhibits a commercially realistic energy-conversion efficiency.
Journal ArticleDOI
Adsorption of Gases in Multimolecular Layers
Journal ArticleDOI
The surface science of titanium dioxide
TL;DR: Titanium dioxide is the most investigated single-crystalline system in the surface science of metal oxides, and the literature on rutile (1.1) and anatase surfaces is reviewed in this paper.
Journal ArticleDOI
Increasing Solar Absorption for Photocatalysis with Black Hydrogenated Titanium Dioxide Nanocrystals
TL;DR: It is shown that disorder-engineered TiO2 nanocrystals exhibit substantial solar-driven photocatalytic activities, including the photo-oxidation of organic molecules in water and the production of hydrogen with the use of a sacrificial reagent.
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A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films
Increasing Solar Absorption for Photocatalysis with Black Hydrogenated Titanium Dioxide Nanocrystals
Electrochemical Photolysis of Water at a Semiconductor Electrode
Akira Fujishima,Kenichi Honda +1 more