CdTe-based thin film photovoltaics: Recent advances, current challenges and future prospects

MA Scarpulla, B McCandless, AB Phillips, Y Yan… - Solar Energy Materials …, 2023 - Elsevier
Cadmium telluride (CdTe)-based cells have emerged as the leading commercialized thin
film photovoltaic technology and has intrinsically better temperature coefficients, energy …

Machine learning in scanning transmission electron microscopy

SV Kalinin, C Ophus, PM Voyles, R Erni… - Nature Reviews …, 2022 - nature.com
Scanning transmission electron microscopy (STEM) has emerged as a uniquely powerful
tool for structural and functional imaging of materials on the atomic level. Driven by …

3D/2D passivation as a secret to success for polycrystalline thin-film solar cells

DL McGott, CP Muzzillo, CL Perkins, JJ Berry, K Zhu… - Joule, 2021 - cell.com
Polycrystalline photovoltaic materials offer low costs and good scalability; however, grain
boundaries in these materials are extended defects, which can drastically increase carrier …

Low-temperature and effective ex situ group V doping for efficient polycrystalline CdSeTe solar cells

DB Li, C Yao, SN Vijayaraghavan, RA Awni… - Nature Energy, 2021 - nature.com
CdTe solar cell technology is one of the lowest-cost methods of generating electricity in the
solar industry, benefiting from fast CdTe absorber deposition, CdCl2 treatment and Cu …

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 …

[HTML][HTML] Roles of bandgrading, lifetime, band alignment, and carrier concentration in high-efficiency CdSeTe solar cells

X Zheng, E Colegrove, JN Duenow, J Moseley… - Journal of Applied …, 2020 - pubs.aip.org
CdSeTe alloying has significantly increased the efficiency of CdTe-based solar technology.
Here, computational modeling compares how different CdSeTe bandgrading, carrier …

Understanding the copassivation effect of Cl and Se for CdTe grain boundaries

A Shah, AP Nicholson, TAM Fiducia… - … Applied Materials & …, 2021 - ACS Publications
Chlorine passivation treatment of cadmium telluride (CdTe) solar cells improves device
performance by assisting electron–hole carrier separation at CdTe grain boundaries. Further …

Exceeding 200 ns lifetimes in polycrystalline CdTe solar cells

T Ablekim, JN Duenow, CL Perkins, J Moseley… - Solar …, 2021 - Wiley Online Library
CdTe photovoltaics has achieved one of the lowest levelized costs of electricity among all
energy sources. However, for decades, carrier lifetimes have been inferior to those of other …

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 …