Why Increased CdSeTe Charge Carrier Lifetimes and Radiative Efficiencies did not Result in Voltage Boost for CdTe Solar Cells

D Kuciauskas, M Nardone, A Bothwell… - Advanced Energy …, 2023 - Wiley Online Library
After a focused effort over the last decade, order‐of‐magnitude improvements in doping and
electro‐optical characteristics (radiative efficiency, carrier lifetime, and passivation) have …

As‐Doped Polycrystalline CdSeTe: Localized Defects, Carrier Mobility and Lifetimes, and Impact on High‐Efficiency Solar Cells

P Ščajev, M Nardone, C Reich… - Advanced Energy …, 2024 - Wiley Online Library
The efficiency potential for single‐junction photovoltaics (PV) is described by the detailed
balance model, which requires the elimination of nonradiative recombination and perfect …

Selenium passivates grain boundaries in alloyed CdTe solar cells

T Fiducia, A Howkins, A Abbas, B Mendis… - Solar Energy Materials …, 2022 - Elsevier
Cadmium telluride (CdTe) solar cells have achieved efficiencies of over 22%, despite having
absorber layer grain sizes less than 10 μm and hence a very high density of grain …

Identification of Recombination Losses in CdSe/CdTe Solar Cells from Spectroscopic and Microscopic Time‐Resolved Photoluminescence

D Kuciauskas, J Moseley, C Lee - Solar RRL, 2021 - Wiley Online Library
Due to the lowest‐cost and best reliability, CdTe solar cells are the leading thin‐film
photovoltaic technology. Increasing open‐circuit voltage by reducing recombination …

Understanding and advancing bifacial thin film solar cells

AB Phillips, KK Subedi, GK Liyanage… - ACS Applied Energy …, 2020 - ACS Publications
Because bifacial solar cells increase the power generated per area, their market share is
projected to increase over the next decade. While silicon technologies have implemented …

Impact of dopant-induced band tails on optical spectra, charge carrier transport, and dynamics in single-crystal CdTe

P Ščajev, A Mekys, L Subačius, S Stanionytė… - Scientific reports, 2022 - nature.com
Cadmium telluride (CdTe) semiconductors are used in thin-film photovoltaics, detectors, and
other optoelectronic applications. For all technologies, higher efficiency and sensitivity are …

[HTML][HTML] Diverse simulations of time-resolved photoluminescence in thin-film solar cells: A SnO2/CdSeyTe1− y case study

J Moseley, D Krasikov, C Lee… - Journal of applied …, 2021 - pubs.aip.org
Time-resolved photoluminescence (TRPL) is widely used to measure carrier lifetime in thin-
film solar cell absorbers. However, the injection dependence of data and frequent non …

Spatially resolved photoluminescence analysis of the role of Se in CdSexTe1−x thin films

AR Bowman, JF Leaver, K Frohna, SD Stranks… - Nature …, 2024 - nature.com
Evidence from cross-sectional electron microscopy has previously shown that Se passivates
defects in CdSexTe1− x solar cells, and that this is the reason for better lifetimes and …

Robust passivation of CdSeTe based solar cells using reactively sputtered magnesium zinc oxide

G Yeung, C Reich, A Onno, A Bothwell… - Solar energy materials …, 2021 - Elsevier
Magnesium zinc oxide (MZO, Mg x Zn 1-x O) is a leading emitter for CdTe-based solar cells
due to its transparency and the ability to tune its conduction band offset with the absorber …

[HTML][HTML] Mechanisms for long carrier lifetime in Cd (Se) Te double heterostructures

M Amarasinghe, D Albin, D Kuciauskas… - Applied Physics …, 2021 - pubs.aip.org
II–VI semiconductors are used in numerous electro-optical applications. For example, CdTe-
based solar technology is cost competitive with other electricity generation sources, yet there …