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PVFIFTY SIGNED

TOWARDS A 50% EFFICIENT CONCENTRATOR SOLAR CELL AND A 40% EFFICIENT SPACE SOLAR CELL

Total Cost €

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EC-Contrib. €

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Partnership

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 PVFIFTY project word cloud

Explore the words cloud of the PVFIFTY project. It provides you a very rough idea of what is the project "PVFIFTY" about.

quantum    processed    photo    ingaasp    gap    lateral    price    compressive    gt    considerable    resolved    redesigned    semiconductor    efficiencies    series    performance    generate    photovoltaic    concentration    unstrained    resistive    parallel    cent    front    1000x    contacts    delivers    in0    nature    confirmed    characterise    concentrator    bismide    radiative    materials    absorber    charges    collectors    structures    1ev    preliminary    sheet    ingap    062    directionality    wholesale    models    emission    electrical    electricity    reduce    excess    layers    optical    favourably    spectroscopic    efficiency    determined    correlated    junction    material    tensile    concentrations    photogenerated    introduces       electroreflectance       defects    compete    imaging    conventional    time    band    semiconductors    electroluminescent    gaas    mismatch    ellipsometry    grown    resistivity    qw    3gaas    data    gaasbi0    structure    configurations    spectroscopy    50    prices    transport    computer    solar    device    electronic    grid    layer    cell   

Project "PVFIFTY" data sheet

The following table provides information about the project.

Coordinator
IMPERIAL COLLEGE OF SCIENCE TECHNOLOGY AND MEDICINE 

Organization address
address: SOUTH KENSINGTON CAMPUS EXHIBITION ROAD
city: LONDON
postcode: SW7 2AZ
website: http://www.imperial.ac.uk/

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Project website http://www.imperial.ac.uk/
 Total cost 183˙454 €
 EC max contribution 183˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-05-01   to  2017-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    IMPERIAL COLLEGE OF SCIENCE TECHNOLOGY AND MEDICINE UK (LONDON) coordinator 183˙454.00

Map

 Project objective

Concentrator photovoltaic solar collectors have the potential to generate electricity at costs as low as 6¢/kWh, a price where they compete favourably with wholesale electricity prices. To achieve this, a solar cell with an efficiency in excess of 50% is required and will require considerable development over the present state of the art. In particular, a new semiconductor absorber layer with a 1eV band-gap will be required in addition to solar concentrations in excess of 1000X. The proposed research addresses both of these areas.

Preliminary work has identified the use of bismide semiconductors to achieve the required 1eV semiconductor junction. A 1eV GaAsBi0.062 layer can be grown that has only 0.6% mismatch to GaAs, as compared to conventional In0.3GaAs that introduces >2% mismatch. We will develop high-performance photovoltaic devices based on this material. We will characterise the optical and electronic structure of these new materials using spectroscopic ellipsometry and photo/electroreflectance. The nature and concentration of defects will be determined using time-resolved optical spectroscopy and correlated with solar cell performance data by extending existing computer models.

To achieve high efficiencies at high concentrations, it is necessary to reduce the resistive loss. Here, we propose to exploit lateral emission in tensile quantum well (QW) layers to provide a parallel radiative transport pathway that delivers photogenerated charges to the electrical contacts. A series of InGaP/InGaAsP QW test structures in compressive, tensile and unstrained configurations will be grown to control the directionality of emission, which will be confirmed using spectroscopic measurements. Concentrator solar cell device structures will be processed and the effective sheet resistivity evaluated using electroluminescent imaging. Front grid structures we be redesigned to account for radiative transport.

 Publications

year authors and title journal last update
List of publications.
2016 Alexander Mellor, Nicholas P. Hylton, Hubert Hauser, Tomos Thomas, Kan-Hua Lee, Yahya Al-Saleh, Vincenzo Giannini, Avi Braun, Josine Loo, Dries Vercruysse, Pol Van Dorpe, Benedikt Blasi, Stefan A. Maier, N. J. Ekins-Daukes
Nanoparticle Scattering for Multijunction Solar Cells: The Tradeoff Between Absorption Enhancement and Transmission Loss
published pages: 1678-1687, ISSN: 2156-3381, DOI: 10.1109/JPHOTOV.2016.2601944
IEEE Journal of Photovoltaics 6/6 2019-06-13
2017 A. Mellor, N.P. Hylton, S.A. Maier, N. Ekins-Daukes
Interstitial light-trapping design for multi-junction solar cells
published pages: 212-218, ISSN: 0927-0248, DOI: 10.1016/j.solmat.2016.09.005
Solar Energy Materials and Solar Cells 159 2019-06-13

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