Large-Area Synthesis of Layered HfS2(1- x )Se2 x Alloys with Fully Tunable Chemical Compositions and Bandgaps.
Sign Up to like & getrecommendations! Published in 2018 at "Advanced materials"
DOI: 10.1002/adma.201803285
Abstract: Alloying transition metal dichalcogenides (TMDs) with different compositions is demonstrated as an effective way to acquire 2D semiconductors with widely tunable bandgaps. Herein, for the first time, the large-area synthesis of layered HfS2(1- x )Se2… read more here.
Keywords: area synthesis; large area; hfs2 se2; layered hfs2 ... See more keywords
Evolution of Cu(In,Ga)Se2 surfaces under water immersion monitored by X‐ray photoelectron spectroscopy
Sign Up to like & getrecommendations! Published in 2020 at "Surface and Interface Analysis"
DOI: 10.1002/sia.6896
Abstract: Cu(In,Ga)Se2 absorbers were immerged in deionized water for different times, and specific chemical evolutions were monitored thanks to X‐ray photoemission spectroscopy. Cu(In,Ga)Se2 related dissolution products were studied in water through induced coupled plasma optical emission… read more here.
Keywords: se2; evolution se2; spectroscopy; se2 surfaces ... See more keywords
Improving the lateral homogeneity of Cu(In, Ga)Se2 layers fabricated by RF magnetron sputtering from a quaternary ceramic target
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.08.305
Abstract: Abstract In this study, non-layered and well-crystallized Cu(In, Ga)Se2 (CIGS) films without Se deficiency were fabricated through annealing treatment for one-step preparation of CIGS films. The as-deposited films were simply fabricated via RF magnetron sputtering… read more here.
Keywords: magnetron sputtering; annealing treatment; ceramic target; quaternary ceramic ... See more keywords
Performance and stability enhancement of Cu(InGa)Se2 solar cells on ultrathin glass by potassium incorporation
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DOI: 10.1016/j.matlet.2020.127749
Abstract: Abstract Flexible Cu(InGa)Se2 solar cells fabricated on metal foils and plastics have achieved high conversion efficiency so far. However, metal impurities and low temperature tolerance hinder them from further considerable development. Here, 150 μm-thick ultrathin glass… read more here.
Keywords: inga se2; se2 solar; performance; se2 ... See more keywords
TiO2 as intermediate buffer layer in Cu(In,Ga)Se2 solar cells
Sign Up to like & getrecommendations! Published in 2018 at "Solar Energy Materials and Solar Cells"
DOI: 10.1016/j.solmat.2017.09.030
Abstract: Abstract The application of TiO2 as part of the buffer layer stack in thin film Cu(In,Ga)Se2 (CIGS) solar cells is investigated for the improvement of the photovoltaic device performance. In a standard device configuration a… read more here.
Keywords: intermediate buffer; buffer layer; layer; se2 ... See more keywords
Using hole injection layers for decreased metastability and higher performance in Cu(In,Ga)Se2 devices
Sign Up to like & getrecommendations! Published in 2020 at "Solar Energy Materials and Solar Cells"
DOI: 10.1016/j.solmat.2020.110597
Abstract: Abstract Modifications to the buffer structure in Cu(In,Ga)Se2 (CIGS) solar cells are examined in terms of power conversion efficiency and metastability. Varying amounts of thin hole-injecting layers are introduced at different locations in the CIGS/Zn(O,S)… read more here.
Keywords: metastability; hole injection; performance; metastability higher ... See more keywords
What is the dopant concentration in polycrystalline thin-film Cu(In,Ga)Se2?
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DOI: 10.1016/j.tsf.2016.09.038
Abstract: We compare the dopant concentration of polycrystalline Cu(In,Ga)Se2 thin film absorbers derived from Hall and capacitance-voltage measurements. Although both measurements techniques appear to be reliable, dopant concentrations determined by capacitance-voltage analysis are significantly lower and… read more here.
Keywords: dopant concentration; se2; thin film; concentration polycrystalline ... See more keywords
Concentration of defects responsible for persistent photoconductivity in Cu(In,Ga)Se2: Dependence on material composition
Sign Up to like & getrecommendations! Published in 2019 at "Thin Solid Films"
DOI: 10.1016/j.tsf.2018.11.038
Abstract: Abstract Persistent photoconductivity (PPC) in thin Cu(In,Ga)Se2 films is discussed within a model of relaxing defects acting as donors or acceptors depending on their configurational and charge state. The aim of this work is to… read more here.
Keywords: persistent photoconductivity; defects responsible; concentration defects; se2 ... See more keywords
Tailored Band Structure of Cu(In,Ga)Se2 Thin-Film Heterojunction Solar Cells: Depth Profiling of Defects and the Work Function.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c07166
Abstract: An efficient carrier transport is essential for enhancing the performance of thin-film solar cells, in particular Cu(In,Ga)Se2 (CIGS) solar cells, because of their great sensitivities to not only the interface but also the film bulk.… read more here.
Keywords: spectroscopy; solar cells; transport; se2 ... See more keywords
ALD-ZnxTiyO as Window Layer in Cu(In,Ga)Se2 Solar Cells
Sign Up to like & getrecommendations! Published in 2018 at "ACS Applied Materials & Interfaces"
DOI: 10.1021/acsami.8b14490
Abstract: We report on the application of ZnxTiyO deposited by atomic layer deposition (ALD) as buffer layer in thin film Cu(In,Ga)Se2 (CIGS) solar cells to improve the photovoltaic device performance. State-of-the-art CIGS devices employ a CdS/ZnO… read more here.
Keywords: layer; znxtiyo; ald znxtiyo; znxtiyo window ... See more keywords
Cu(In,Ga)Se2 Films with Branched Nanorod Architectures Fabricated by Economic and Environmentally Friendly Pulse-Reverse Electrodeposition Route
Sign Up to like & getrecommendations! Published in 2018 at "ACS Sustainable Chemistry & Engineering"
DOI: 10.1021/acssuschemeng.8b01840
Abstract: Cu(In,Ga)Se2 (CIGS) materials are one of the most promising solar cell technologies owing to their large absorption coefficient and tunable direct bandgap, and they have gained considerable commercial maturity. The study herein puts forward the… read more here.
Keywords: nanorod architectures; branched nanorod; reverse electrodeposition; se2 ... See more keywords