Lowering cost approach for CIGS-based solar cell through optimizing band gap profile and doping of stacked active Layers─ SCAPS modeling

FT Mabvuer, FT Nya, GM Dzifack Kenfack, A Laref - ACS omega, 2023 - ACS Publications
In this research article, we carry out investigation on compensating the efficiency loss in thin-
film CIGS photovoltaic (PV) cell due to absorber coat depth reduction. We demonstrate that …

Impact of selenization temperature on the performance of sequentially evaporated CuInSe2 thin film solar cells

G Regmi, S Velumani - Materials Science in Semiconductor Processing, 2022 - Elsevier
In the present work, modified stacking of sequentially evaporated metallic precursors and
two-step selenization was performed to examine the photovoltaic quality of the copper …

Toward Understanding Chalcopyrite Solar Cells via Advanced Characterization Techniques

S Bae, JH Kim, HS Lee, BK Min - Advanced Materials Interfaces, 2022 - Wiley Online Library
In response to global environmental concerns, the importance of renewable energy,
especially photovoltaic technology, is widely emphasized. As such, various efforts are made …

Nanoscale insight into the p‐n junction of alkali‐incorporated Cu(In,Ga)Se2 solar cells

A Stokes, M Al‐Jassim, A Norman… - Progress in …, 2017 - Wiley Online Library
The effects of alkali diffusion and post‐deposition treatment in three‐stage processed Cu (In,
Ga) Se2 solar cells are examined by using atom probe tomography and electrical property …

Hot injection synthesis of Cu (In, Ga) Se2 nanocrystals with tunable bandgap

M Latha, RA Devi, S Velumani - Optical Materials, 2018 - Elsevier
Abstract CuIn 1-x Ga x Se 2 nanocrystals (CIGSe NCs) were synthesized with different
gallium (Ga) content by the hot injection process at low reaction temperature for the first time …

Comprehensive characterization of CIGS absorber layers grown by one-step sputtering process

JC Park, M Al-Jassim, SW Shin, JH Kim, TW Kim - Ceramics International, 2019 - Elsevier
We have demonstrated that the use of a one-step sputtering process allowed for the
fabrication of copper indium gallium diselenide (CIGS) thin films by RF magnetron sputtering …

Revealing Surface Modifications of Potassium‐Fluoride‐Treated Cu(In,Ga)Se2: A Study of Material Structure, Chemistry, and Photovoltaic Performance

JA Aguiar, A Stokes, CS Jiang, T Aoki… - Advanced Materials …, 2016 - Wiley Online Library
The effects of alkali post‐deposition treatments and device properties for polycrystalline thin
film Cu (In, Ga) Se2 have been investigated. It is reported that these surface treatments lead …

Effect of alkali doping on CIGS photovoltaic ceramic tiles

D Fraga, TS Lyubenova, R Martí, I Calvet, E Barrachina… - Solar Energy, 2017 - Elsevier
This report studies the influence of alkali elements (Na, K) on the morphological, structural,
and optoelectronic properties of CIGS ceramic tile solar cells. Several ceramic enamels with …

Bandgap engineering of Cu(In1-xGax)Se2 absorber layers fabricated using CuInSe2 and CuGaSe2 targets for one-step sputtering process

JC Park, JR Lee, M Al-Jassim, TW Kim - Optical Materials Express, 2016 - opg.optica.org
We have demonstrated that the bandgap of Cu (In_1-xGa_x) Se_2 (CIGS) absorber layers
was readily controlled by using a one-step sputtering process. CIGS thin-film sample …

The effect of Cu concentration in the photovoltaic efficiency of CIGS solar cells prepared by co-evaporation technique

HH Sheu, YT Hsu, SY Jian, SC Liang - Vacuum, 2016 - Elsevier
Structural and electrical properties of polycrystalline CIGS thin films have been studied by
changing the Cu/(In+ Ga) ratio in the films. CIGS thin films with various Cu/(In+ Ga) ratios are …