Effect of Ordered Vacancy Compounds on the Carrier Collection in Wide‐Gap (Ag,Cu)(In,Ga)Se2 Solar Cells

J Keller, N Martin, O Donzel‐Gargand, K Kiselman… - Solar …, 2024 - Wiley Online Library
This contribution studies the effect of ordered vacancy compounds (OVCs) on the minority
carrier collection in wide‐gap (Ag, Cu)(In, Ga) Se2 (ACIGS) solar cells. For this purpose …

On the Paramount Role of Absorber Stoichiometry in (Ag,Cu)(In,Ga)Se2 Wide‐Gap Solar Cells

J Keller, L Stolt, KV Sopiha, JK Larsen, L Riekehr… - Solar …, 2020 - Wiley Online Library
This contribution evaluates the effect of absorber off‐stoichiometry in wide‐gap (Ag, Cu)(In,
Ga) Se2 (ACIGS) solar cells. It is found that ACIGS films show an increased tendency to form …

Performance Limitations of Wide‐Gap (Ag,Cu)(In,Ga)Se2 Thin‐Film Solar Cells

J Keller, P Pearson, N Shariati Nilsson, O Stolt… - Solar …, 2021 - Wiley Online Library
The effect of absorber stoichiometry in (Ag, Cu)(In, Ga) Se2 (ACIGS) solar cells with
bandgaps (Eg)> 1.40 eV is studied on a large sample set. It is confirmed that moving away in …

Structural Chemistry and Excellent Nonlinear Optical Properties of a Series of Ternary Selenides GaxIn2–xSe3

QT Xu, Y Chi, XH Li, W Liu, SP Guo - Inorganic Chemistry, 2021 - ACS Publications
Novel nonlinear optical (NLO) materials possessing simple chemical compositions and
facile syntheses are competitive when considering their practical application. Here, a series …

Bifacial Wide‐Gap (Ag,Cu)(In,Ga)Se2 Solar Cell with 13.6% Efficiency Using In2O3:W as a Back Contact Material

J Keller, L Stolt, O Donzel-Gargand, AF Violas… - Solar …, 2024 - Wiley Online Library
This study evaluates In2O3: W as a transparent back contact material in wide‐gap (bandgap
range= 1.44–1.52 eV)(Ag, Cu)(In, Ga) Se2 (ACIGS) solar cells for potential application as a …

Effect of temperature on the structure and luminescence properties of Ag0. 05Ga0. 05Ge0. 95S2-Er2S3 glasses

VV Halyan, IV Kityk, AH Kevshyn, IA Ivashchenko… - Journal of …, 2017 - Elsevier
In this article, we present the investigations of temperature dependent luminescence for the
Ag 0.05 Ga 0.05 Ge 0.95 S 2-Er 2 S 3 glass system. The possibility to use temperature …

Phase equilibria in the quasiternary system Ag2S–Ga2S3–In2S3 and optical properties of (Ga55In45) 2S300,(Ga54. 59In44. 66Er0. 75) 2S300 single crystals

IA Ivashchenko, IV Danyliuk, ID Olekseyuk… - Journal of Solid State …, 2015 - Elsevier
The quasiternary system Ag 2 S–Ga 2 S 3–In 2 S 3 was investigated by differential thermal,
X-ray diffraction analyses. The phase diagram of the Ga 2 S 3–In 2 S 3 system and nine …

Off-stoichiometry in I–III–VI 2 chalcopyrite absorbers: a comparative analysis of structures and stabilities

KV Sopiha, JK Larsen, J Keller, M Edoff… - Faraday …, 2022 - pubs.rsc.org
Chalcopyrite Cu (In, Ga) Se2 (CIGSe) solar absorbers are renowned for delivering high
solar power conversion efficiency despite containing high concentration of lattice defects …

Electronic structure of (Ga55In45)2S300 and (Ga54.59In44.66Er0.75)2S300 single crystals

OY Khyzhun, VV Halyan, IV Danyliuk… - Journal of Materials …, 2016 - Springer
We report on studies of the X-ray photoelectron core-level and valence-band spectra for
pristine and Ar+-ion bombarded surfaces of (Ga 55 In 45) 2 S 300 and (Ga 54.59 In 44.66 Er …

(Ga54.59In44.66Er0.75)2S300 single crystal: novel material for detection of γ-radiation by photoinduced nonlinear optical method

IV Kityk, VV Halyan, AH Kevshyn… - Journal of Materials …, 2017 - Springer
It was shown a possibility to use the (Ga 54.59 In 44.66 Er 0.75) 2 S 300 single crystal as
optoelectronics detectors of gamma-irradiation using photoinduced nonlinear optical …