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      Porous (001)-faceted anatase TiO 2 nanorice thin film for efficient dye-sensitized solar cell

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      EPJ Photovoltaics
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          Abstract

          Anatase TiO 2 structures with nanorice-like morphology and high exposure of (001) facet has been successfully synthesized on an ITO surface using ammonium Hexafluoro Titanate and Hexamethylenetetramine as precursor and capping agent, respectively, under a microwave-assisted liquid-phase deposition method. These anatase TiO 2 nanoparticles were prepared within five minutes of reaction time by utilizing an inverter microwave system at a normal atmospheric pressure. The morphology and the size (approximately from 6 to 70 nm) of these nanostructures can be controlled. Homogenous, porous, 5.64 ± 0.002 μ m thick layer of spongy-nanorice with facets (101) and (001) was grown on ITO substrate and used as a photo-anode in a dye-sensitized solar cell (DSSC). This solar cell device has emerged out with 4.05 ± 0.10% power conversion efficiency (PCE) and 72% of incident photon-to-current efficiency (IPCE) under AM1.5 G illumination.

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          Most cited references36

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          Photocatalysis on TiO2 Surfaces: Principles, Mechanisms, and Selected Results

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            Photoelectrochemical cells.

            M Grätzel (2001)
            Until now, photovoltaics--the conversion of sunlight to electrical power--has been dominated by solid-state junction devices, often made of silicon. But this dominance is now being challenged by the emergence of a new generation of photovoltaic cells, based, for example, on nanocrystalline materials and conducting polymer films. These offer the prospect of cheap fabrication together with other attractive features, such as flexibility. The phenomenal recent progress in fabricating and characterizing nanocrystalline materials has opened up whole new vistas of opportunity. Contrary to expectation, some of the new devices have strikingly high conversion efficiencies, which compete with those of conventional devices. Here I look into the historical background, and present status and development prospects for this new generation of photoelectrochemical cells.
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              Simultaneous enhancement of open-circuit voltage, short-circuit current density, and fill factor in polymer solar cells.

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                Author and article information

                Journal
                epjpv
                EPJ Photovoltaics
                an Open Access Journal in Photovoltaics
                EPJ Photovolt.
                EDP Sciences
                2105-0716
                13 January 2016
                2016
                13 January 2016
                13 January 2016
                : 7
                : ( publisher-idID: epjpv/2016/01 )
                : 70501
                Affiliations
                Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, , 43600 UKM Bangi, Selangor, Malaysia,
                Author notes
                Article
                pv150012
                10.1051/epjpv/2015009
                25bfcdb0-cbcb-4587-9dd2-ffed895ae46b
                © Ali Shah et al., published by EDP Sciences, 2016

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 14 September 2015
                : 19 November 2015
                Page count
                Figures: 8, Tables: 2, Equations: 2, References: 37, Pages: 7
                Categories
                High Efficiency Materials and Devices - New concepts
                Custom metadata
                EPJ Photovoltaics 7, 70501 (2016)
                2016
                2016
                2016

                Sustainable & Green chemistry,Materials technology,Semiconductors,Materials for energy,Technical & Applied physics,Renewable energy

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