Passivating grain boundaries in polycrystalline CdTe

CJ Tong, KP McKenna - The Journal of Physical Chemistry C, 2019 - ACS Publications
Using first-principles density functional calculations, we investigate the structure and
properties of three different grain boundaries (GBs) in the solar absorber material CdTe …

Enhanced performance of Se-alloyed CdTe solar cells: The role of Se-segregation on the grain boundaries

R Wang, M Lan, SH Wei - Journal of Applied Physics, 2021 - pubs.aip.org
Recently, CdTe-based solar cells have achieved high power conversion efficiency by
alloying with CdSe. Besides the increased photocurrent due to the reduced bandgap, it is …

Stability and electronic structure of the low-Σ grain boundaries in CdTe: a density functional study

JS Park, J Kang, JH Yang, W Metzger… - New Journal of …, 2015 - iopscience.iop.org
Using first-principles density functional calculations, we investigate the relative stability and
electronic structure of the grain boundaries (GBs) in zinc-blende CdTe. Among the low-Σ …

Molecular dynamics study of high symmetry planar defect evolution during growth of CdTe/CdS films

JJ Chavez, XW Zhou, SF Almeida… - The Journal of …, 2018 - ACS Publications
The growth dynamics and evolution of intrinsic stacking faults, lamellar, and double
positioning twin grain boundaries were explored using molecular dynamics simulations …

[HTML][HTML] Localized-states quantum confinement induced by roughness in CdMnTe/CdTe heterostructures grown on Si (111) substrates

LN Rodrigues, WF Inoch, MLF Gomes… - Journal of …, 2024 - jos.ac.cn
This work shows that despite a lattice mismatch of almost 20%, CdMnTe/CdTe/CdMnTe
heterostructures grown directly on Si (111) have surprisingly good optical emission …

Retrieving the configuration of grain boundary structure in polycrystalline materials by extraordinary X-ray reflection analysis

L Aarao-Rodrigues, A Isaac… - Journal of Applied …, 2020 - journals.iucr.org
The development of materials is strongly related to our capability of understanding thermal,
mechanical and chemical processing on the nanoscale. Unravelling the interface structure is …

Kardar-Parisi-Zhang Universality, Anomalous Scaling and Crossover Effects in the Growth of Cdte Thin Films

RAL Almeida - arXiv preprint arXiv:1503.07559, 2015 - arxiv.org
We report on the growth dynamic of CdTe thin films for deposition temperatures ($ T $) in the
range of $150\,^{\circ}\mathrm {C} $ to $300\,^{\circ}\mathrm {C} $. A relation between …

Electronic properties of low- grain boundaries in InAs

A Murat, M Matsubara, BM Nguyen, E Bellotti - Physical Review Materials, 2018 - APS
We employ first-principles density functional theory to investigate the electronic and
structural properties of grain boundaries (GBs) in InAs. In particular, we study the energetics …

[图书][B] Cadmium Telluride and Grain Boundaries: a Preliminary Study

ME Liao - 2017 - search.proquest.com
The efficacy of the CdCl 2 treatment on polycrystalline CdTe-based solar cells was
discovered over a quarter of a century ago; and yet, the exact mechanism of this treatment is …

Strain Analysis of CdTe on InSb Epitaxial Structures Using X-ray-Based Reciprocal Space Measurements and Dynamical Diffraction Simulations

M Liao, C Campbell, CY Tsai, YH Zhang… - Journal of Electronic …, 2018 - Springer
The structural properties of CdTe layers grown by molecular beam epitaxy on (001) InSb
substrates were assessed using high-resolution x-ray scattering methods. Triple-axis …