skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: First-principles study of roles of Cu and Cl in polycrystalline CdTe

Journal Article · · Journal of Applied Physics
DOI:https://doi.org/10.1063/1.4940722· OSTI ID:1237018
 [1];  [2];  [1];  [1];  [3]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States); Soochow Univ., Suzhou (China)
  3. National Renewable Energy Lab. (NREL), Golden, CO (United States); Beijing Computational Science Research Center, Beijing (China)

In this study, Cu and Cl treatments are important processes to achieve high efficiency polycrystalline cadmium telluride (CdTe) solar cells, thus it will be beneficial to understand the roles they play in both bulk CdTe and CdTe grain boundaries (GBs). Using first-principles calculations, we systematically study Cu and Cl-related defects in bulk CdTe. We find that Cl has only a limited effect on improving p-type doping and too much Cl can induce deep traps in bulk CdTe, whereas Cu can enhance ptype doping of bulk CdTe. In the presence of GBs, we find that, in general, Cl and Cu will prefer to stay at GBs, especially for those with Te-Te wrong bonds, in agreement with experimental observations.

Research Organization:
Arizona State Univ., Tempe, AZ (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0006344; AC36-08GO28308
OSTI ID:
1237018
Alternate ID(s):
OSTI ID: 1421153
Report Number(s):
DOE-ASU-0006344-8; JAPIAU
Journal Information:
Journal of Applied Physics, Vol. 119, Issue 4; ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 43 works
Citation information provided by
Web of Science

References (50)

Solar cell efficiency tables (version 46): Solar cell efficiency tables (version 46) journal June 2015
Effects of CdCl2 treatment on the recrystallization and electro-optical properties of CdTe thin films
  • Moutinho, H. R.; Al-Jassim, M. M.; Levi, D. H.
  • Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, Vol. 16, Issue 3 https://doi.org/10.1116/1.581269
journal May 1998
Recrystallization and sulfur diffusion in CdCl2-treated CdTe/CdS thin films journal July 1997
CdCl2 treatment, S diffusion, and recombination in polycrystalline CdTe journal May 2006
Structural and chemical interface characterization of CdTe solar cells by transmission electron microscopy journal May 2003
The effect of the CdCl2 treatment on CdTe/CdS thin film solar cells studied using deep level transient spectroscopy journal May 2003
Effect of Copassivation of Cl and Cu on CdTe Grain Boundaries journal October 2008
The effects of CdCl 2 on the electronic properties of molecular‐beam epitaxially grown CdTe/CdS heterojunction solar cells journal July 1991
Understanding the Beneficial Role of Grain Boundaries in Polycrystalline Solar Cells from Single-Grain-Boundary Scanning Probe Microscopy journal March 2006
How Polycrystalline Devices Can Outperform Single-Crystal Ones: Thin Film CdTe/CdS Solar Cells journal June 2004
Grain-Boundary-Enhanced Carrier Collection in CdTe Solar Cells journal April 2014
Deep energy levels in CdTe and CdZnTe journal February 1998
Fabrication procedures and process sensitivities for CdS/CdTe solar cells journal September 1999
Doping of polycrystalline CdTe for high-efficiency solar cells on flexible metal foil journal August 2013
A comprehensive picture of Cu doping in CdTe solar cells journal November 2013
Dependence of carrier lifetime on Cu-contacting temperature and ZnTe:Cu thickness in CdS/CdTe thin film solar cells journal February 2009
Copper inclusion and migration from the back contact in CdTe solar cells journal March 2004
Accelerated stress testing and diagnostic analysis of degradation in CdTe solar cells conference August 2008
Identification of Cu and Ag acceptors in CdTe journal September 1982
Inhomogeneous Electron Gas journal November 1964
Self-Consistent Equations Including Exchange and Correlation Effects journal November 1965
Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set journal October 1996
Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set journal July 1996
From ultrasoft pseudopotentials to the projector augmented-wave method journal January 1999
Hybrid functionals based on a screened Coulomb potential journal May 2003
Overcoming the doping bottleneck in semiconductors journal August 2004
Observation and first-principles calculation of buried wurtzite phases in zinc-blende CdTe thin films journal September 2000
Structure and effects of double-positioning twin boundaries in CdTe journal September 2003
Creating a single twin boundary between two CdTe (111) wafers with controlled rotation angle by wafer bonding journal December 2013
Stability and electronic structure of the low- Σ grain boundaries in CdTe: a density functional study journal January 2015
Generalized Gradient Approximation Made Simple journal October 1996
Correlation between the electronic structures and diffusion paths of interstitial defects in semiconductors: The case of CdTe journal October 2014
Tuning the Fermi level beyond the equilibrium doping limit through quenching: The case of CdTe journal December 2014
Identification of the chlorine A center in CdTe journal March 1992
Doping of ZnO by group-IB elements journal October 2006
Chemical trends of defect formation and doping limit in II-VI semiconductors: The case of CdTe journal October 2002
Deep-level impurities in CdTe/CdS thin-film solar cells journal December 2000
Deep-centre ionization energies in CdTe determined from electrical and optical measurements journal February 1974
The defect structure of CdTe journal January 1977
The Study of Deep Levels in CdS/CdTe Solar Cells Using Admittance Spectroscopy and its Modifications journal January 2003
Excited states of acceptors in CdTe and ZnTe journal April 1990
Dependence of the Minority-Carrier Lifetime on the Stoichiometry of CdTe Using Time-Resolved Photoluminescence and First-Principles Calculations journal August 2013
Enhanced p-type dopability of P and As in CdTe using non-equilibrium thermal processing journal July 2015
Origin of Novel Diffusions of Cu and Ag in Semiconductors: The Case of CdTe journal June 2013
The diffusion of copper in cadmium telluride journal February 1992
Some Diffusion and Solubility Measurements of Cu in CdTe journal November 1968
Development of efficient and stable back contacts on CdTe/CdS solar cells journal May 2001
Stability of CdTe/CdS thin-film solar cells journal May 2000
Reducing Dzyaloshinskii-Moriya interaction and field-free spin-orbit torque switching in synthetic antiferromagnets journal May 2021
High-resolution X-ray luminescence extension imaging journal February 2021

Cited By (11)

Energetics and Electronic Properties of Interstitial Chlorine in CdTe journal October 2018
Point defect engineering in thin-film solar cells journal June 2018
Overcoming Carrier Concentration Limits in Polycrystalline CdTe Thin Films with In Situ Doping journal September 2018
Direct Thermal Growth of Large Scale Cl-doped CdTe Film for Low Voltage High Resolution X-ray Image Sensor journal October 2018
Self-compensation in chlorine-doped CdTe journal June 2019
A direct solution deposition approach to CdTe thin films journal January 2016
Carrier density and lifetime for different dopants in single-crystal and polycrystalline CdTe journal November 2016
High p-type doping, mobility, and photocarrier lifetime in arsenic-doped CdTe single crystals journal May 2018
Review on first-principles study of defect properties of CdTe as a solar cell absorber journal July 2016
Assessing the Role of Fluorine in the Performance of Al x Ga 1 x N / Ga N High-Electron-Mobility Transistors from First-Principles Calculations journal May 2019
Passivating Grain Boundaries in Polycrystalline CdTe journal September 2019

Similar Records

First-principles study of roles of Cu and Cl in polycrystalline CdTe
Journal Article · Thu Jan 28 00:00:00 EST 2016 · Journal of Applied Physics · OSTI ID:1237018

Review on first-principles study of defect properties of CdTe as a solar cell absorber
Journal Article · Fri Jul 15 00:00:00 EDT 2016 · Semiconductor Science and Technology · OSTI ID:1237018

Phosphorus Diffusion Mechanisms and Deep Incorporation in Polycrystalline and Single-Crystalline CdTe
Journal Article · Sun May 01 00:00:00 EDT 2016 · Physical Review Applied · OSTI ID:1237018