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JW
John Walls
Author with expertise in Thin-Film Solar Cell Technology
Achievements
Cited Author
Key Stats
Upvotes received:
0
Publications:
13
(15% Open Access)
Cited by:
187
h-index:
34
/
i10-index:
106
Reputation
Biology
< 1%
Chemistry
< 1%
Economics
< 1%
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Overview
Publications
13
Peer Reviews
Comments
Grants
Publications
0
Polycrystalline CdSeTe/CdTe Absorber Cells With 28 mA/cm
2
Short-Circuit Current
Amit Munshi
et al.
Dec 13, 2017
An 800 nm CdSeTe layer was added to the CdTe absorber used in high-efficiency CdTe cells to increase the current and produce an increase in efficiency. The CdSeTe layer employed had a band-gap near 1.41 eV, compared with 1.5 eV for CdTe. This lower band-gap enabled a current density increase from approximately 26 to over 28 mA/cm
2
. The open-circuit voltage obtained in the high-efficiency CdTe-only device was maintained and the fill-factor remained close to 80%. Improving the short-circuit current density and maintaining the open-circuit voltage lead to device efficiency over 19%. External quantum efficiency implied that about half the current was generated in the CdSeTe layer and half in the CdTe. Cross-sectional STEM and EDS showed good grain structure throughout. Diffusion of Se into the CdTe layer was observed. This is the highest efficiency polycrystalline CdTe photovoltaic device demonstrated by a university or national laboratory.
Materials Chemistry
Electrical And Electronic Engineering
0
Paper
Materials Chemistry
187
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A Novel Low Reflection, Anti-Soiling, Polymer/Glass Laminate for Solar Module Cover Glass
Luke Jones
et al.
Jun 9, 2024
Mechanical Engineering
Electrical And Electronic Engineering
0
Paper
Mechanical Engineering
Electrical And Electronic Engineering
0
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Degradation of ZnO-Based Buffer Layers for Thin Film CdSeTe/CdTe Solar Cells
Luksa Kujovic
et al.
Jun 9, 2024
Electrical And Electronic Engineering
Computer Science
0
Paper
Electrical And Electronic Engineering
Computer Science
0
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0
Variable Angle Reflectance Measurements of Anti-Reflection Coatings on Glass
Adam Law
et al.
Jun 9, 2024
Computational Mechanics
Surfaces, Coatings And Films
0
Paper
Computational Mechanics
Surfaces, Coatings And Films
0
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0
Progress on Optimization of CdSe and CdTe Processing and CdCl
2
Treatment Parameters
Robert Ellis
et al.
Jun 9, 2024
Materials Chemistry
Electrical And Electronic Engineering
0
Paper
Materials Chemistry
Electrical And Electronic Engineering
0
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0
Ce-Alloyed ZnO Buffer Layers for Thin Film CdSeTe/CdTe Solar Cells
Luksa Kujovic
et al.
Jun 9, 2024
Materials Chemistry
Electrical And Electronic Engineering
0
Paper
Materials Chemistry
Electrical And Electronic Engineering
0
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0
Planarization of Fluorine-Doped Tin Oxide for Improved Thin Film CdTe Device Performance
Kieran Curson
et al.
Jun 9, 2024
Materials Chemistry
Electrical And Electronic Engineering
0
Paper
Materials Chemistry
Electrical And Electronic Engineering
0
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0
Optimising SnO
2
: Zn Buffer Layer Composition for High Performance CdSeTe/CdTe Photovoltaic Devices
Samuel Machin
et al.
Jun 9, 2024
Materials Chemistry
Electrical And Electronic Engineering
0
Paper
Materials Chemistry
Electrical And Electronic Engineering
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0
Investigating Electrical Properties of Highly Resistive ZnO Films Using a Parallel Dipole Line Hall Effect System
Mustafa Togay
et al.
Jun 9, 2024
Condensed Matter Physics
Materials Chemistry
0
Paper
Condensed Matter Physics
Materials Chemistry
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0
Selenium and Arsenic Interactions in CdSeTe/CdTe Solar Cells Using STEM-EDX, NanoSIMS and Cathodoluminescence
Ali Abbas
et al.
Jun 9, 2024
Materials Chemistry
Electrical And Electronic Engineering
0
Paper
Materials Chemistry
Electrical And Electronic Engineering
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