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 …

Energy band alignment in chalcogenide thin film solar cells from photoelectron spectroscopy

A Klein - Journal of physics: Condensed matter, 2015 - iopscience.iop.org
Energy band alignment plays an important role in thin film solar cells. This article presents
an overview of the energy band alignment in chalcogenide thin film solar cells with a …

20%-efficient polycrystalline Cd (Se, Te) thin-film solar cells with compositional gradient near the front junction

DB Li, SS Bista, RA Awni, S Neupane… - Nature …, 2022 - nature.com
Bandgap gradient is a proven approach for improving the open-circuit voltages (VOCs) in
Cu (In, Ga) Se2 and Cu (Zn, Sn) Se2 thin-film solar cells, but has not been realized in Cd …

Stable and efficient CdS/Sb2Se3 solar cells prepared by scalable close space sublimation

DB Li, X Yin, CR Grice, L Guan, Z Song, C Wang… - Nano Energy, 2018 - Elsevier
Sb 2 Se 3 is a promising candidate for low toxicity, low-cost and high efficiency solar cells.
Thin film solar cells employing Sb 2 Se 3 as the absorber have achieved power conversion …

[HTML][HTML] Enhancing the photo-currents of CdTe thin-film solar cells in both short and long wavelength regions

NR Paudel, Y Yan - Applied Physics Letters, 2014 - pubs.aip.org
The recent increases in the record efficiency of CdTe thin-film solar cell technology largely
benefited from enhancements in short circuit current densities (J SC) in the short-wavelength …

Eliminating s-kink to maximize the performance of MgZnO/CdTe solar cells

DB Li, Z Song, RA Awni, SS Bista… - ACS Applied Energy …, 2019 - ACS Publications
Comparing to the traditional CdS buffer layer, zinc magnesium oxide (ZMO) offers the
following advantages for CdTe-based thin-film solar cells: it introduces a spike to conduction …

[HTML][HTML] Effect of substrate temperature on the properties of RF sputtered CdS thin films for solar cell applications

NK Das, J Chakrabartty, SFU Farhad, AKS Gupta… - Results in physics, 2020 - Elsevier
We report the effect of substrate temperature (25–300° C) on the structural, optical and
electrical properties of Cadmium Sulphide (CdS) thin films deposited onto glass substrate by …

Maximize CdTe solar cell performance through copper activation engineering

DB Li, SS Bista, Z Song, RA Awni, KK Subedi… - Nano Energy, 2020 - Elsevier
The incorporation of copper (Cu) is one of the critical processes for fabricating high-
efficiency CdTe thin-film solar cells. However, due to its high mobility in CdTe, the …

Characterization of sputtered CdSe thin films as the window layer for CdTe solar cells

C Li, F Wang, Y Chen, L Wu, J Zhang, W Li, X He… - Materials Science in …, 2018 - Elsevier
CdSe film is noteworthy for its application in CdTe solar cells. In this paper, the crystal
structure, surface profile and optical properties of CdSe films deposited at 25° C, 200° C …

Direct imaging of Cl‐and Cu‐induced short‐circuit efficiency changes in CdTe solar cells

JD Poplawsky, NR Paudel, C Li… - Advanced Energy …, 2014 - Wiley Online Library
To achieve high‐efficiency polycrystalline CdTe‐based thin‐film solar cells, the CdTe
absorbers must go through a post‐deposition CdCl2 heat treatment followed by a Cu …