Search Results - "Duenow, Joel N."
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1
Nanocrystal Grain Growth and Device Architectures for High-Efficiency CdTe Ink-Based Photovoltaics
Published in ACS nano (23-09-2014)“…We study the use of cadmium telluride (CdTe) nanocrystal colloids as a solution-processable “ink” for large-grain CdTe absorber layers in solar cells. The…”
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2
Identifying optimal photovoltaic technologies for underwater applications
Published in iScience (15-07-2022)“…Improving solar energy collection in aquatic environments would allow for superior environmental monitoring and remote sensing, but the identification of…”
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3
Structural and Electronic Properties of Indium-Doped n-type Cd-Se-Te Crystals
Published in Journal of electronic materials (01-07-2024)“…We present a comprehensive investigation into the potential of n -type indium-doped cadmium selenide telluride (CST:In) as a high-performance candidate for…”
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4
Effects of hydrogen content in sputtering ambient on ZnO:Al electrical properties
Published in Journal of non-crystalline solids (01-05-2008)“…ZnO-based transparent conducting oxide (TCO) thin films have received increased attention recently because of their potential to reduce production costs…”
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Journal Article Conference Proceeding -
5
Tailoring MgZnO/CdSeTe Interfaces for Photovoltaics
Published in IEEE journal of photovoltaics (01-05-2019)“…Mg x Zn 1- x O (MZO) shows great promise to replace CdS as a buffer layer in CdTe-based solar cells. It is more transparent, and the MZO bandgap and electron…”
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6
Thin-Film Solar Cells with 19% Efficiency by Thermal Evaporation of CdSe and CdTe
Published in ACS energy letters (13-03-2020)“…CdTe-based solar cells exhibiting 19% power conversion efficiency were produced using widely available thermal evaporation deposition of the absorber layers on…”
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Dual-Wavelength Time-Resolved Photoluminescence Study of CdSexTe1-x Surface Passivation via MgyZn1-yO and Al2O3
Published in IEEE journal of photovoltaics (01-01-2022)“…Voltage loss is currently one of the biggest challenges facing cadmium telluride (CdTe) based photovoltaics. Determining the location(s) of major voltage loss…”
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8
CdTe synthesis and crystal growth using the high-pressure Bridgman technique
Published in Journal of crystal growth (15-03-2020)“…•High pressure Bridgman technique is suitable to synthesize CdTe from elemental sources.•Highly volatile dopants can be efficiently incorporated into melt…”
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9
Nanometer-Scale Imaging on Electrical Potential in Absorber of As-Doped CdSeTe Solar Cells
Published in 2023 IEEE 50th Photovoltaic Specialists Conference (PVSC) (11-06-2023)“…CdTe technology has been largely improved by adding Se in region of CdTe absorber near the front interface. Replacing the low Cu-doping by group-V elements has…”
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Conference Proceeding -
10
Minority Carrier Lifetime Analysis in the Bulk of Thin-Film Absorbers Using Subbandgap (Two-Photon) Excitation
Published in IEEE journal of photovoltaics (01-10-2013)“…We describe a new time-resolved photoluminescence (TRPL) analysis method for the determination of minority carrier lifetime {\tau}_{B} . This analysis is based…”
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11
Carrier density and lifetime for different dopants in single-crystal and polycrystalline CdTe
Published in APL materials (01-11-2016)“…CdTe defect chemistry is adjusted by annealing samples with excess Cd or Te vapor with and without extrinsic dopants. We observe that Group I (Cu and Na)…”
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12
Exceeding 200 ns Lifetimes in Polycrystalline CdTe Solar Cells
Published in Solar RRL (01-08-2021)“…CdTe photovoltaics has achieved one of the lowest levelized costs of electricity among all energy sources. However, for decades, carrier lifetimes have been…”
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13
Relationship of Open-Circuit Voltage to CdTe Hole Concentration and Lifetime
Published in IEEE journal of photovoltaics (01-11-2016)“…We investigate the correlation of bulk CdTe and CdZnTe material properties with experimental open-circuit voltage (V oc ) through fabrication and…”
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14
CdTe solar cell with industrial Al:ZnO on soda-lime glass
Published in Thin solid films (31-08-2011)“…One avenue to enhance CdTe cell performance is to improve the optical transmission of the transparent conductive oxide (TCO)/window layer stack. In this paper,…”
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Journal Article Conference Proceeding -
15
Antimony Diffusion in CdTe
Published in IEEE journal of photovoltaics (01-05-2017)“…Group V dopants may be used for next-generation high-voltage cadmium telluride (CdTe) solar photovoltaics, but fundamental defect energetics and kinetics need…”
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16
Optimization of source material for in-situ Arsenic doping via vapor transport deposition of CdTe films
Published in 2020 47th IEEE Photovoltaic Specialists Conference (PVSC) (14-06-2020)“…In-situ doping of CdTe/CdSeTe films with arsenic is performed using pre-doped source material prepared by high pressure Bridgman (HPB) melt growth. Arsenic…”
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Conference Proceeding -
17
Electrical Characterization of Cu Composition Effects in CdS/CdTe Thin-Film Solar Cells With a ZnTe:Cu Back Contact
Published in IEEE journal of photovoltaics (01-07-2013)“…We study the effects of Cu composition on the CdTe/ZnTe:Cu back contact and the bulk CdTe. For the back contact, its potential barrier decreases with Cu…”
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18
Nanometer-scale electrical potential imaging on absorber of CdSeTe solar cells
Published in Solar energy materials and solar cells (20-07-2023)“…Here, we report on nm-scale electrical potential imaging throughout As-doped and Cu-doped CdSeTe absorbers using Kelvin probe force microscopy (KPFM). The…”
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19
Effects of back-contacting method and temperature on CdTe/CdS solar cells
Published in 2010 35th IEEE Photovoltaic Specialists Conference (01-06-2010)“…In this study, we use three common types of back contacts to CdTe-a ZnTe:Cu back-contact interface layer, a Cu/Au bilayer, and HgTe:Cu-doped graphite paste-to…”
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Conference Proceeding -
20
Nanometer-scale electrical potential imaging on absorber of CdSeTe solar cells
Published in Solar energy materials and solar cells (15-09-2023)“…We report on nm-scale electrical potential imaging throughout As-doped and Cu-doped CdSeTe absorbers using Kelvin probe force microscopy (KPFM). The potential…”
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