Search Results - "Kim, Jekyung"
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Efficient, stable silicon tandem cells enabled by anion-engineered wide-bandgap perovskites
Published in Science (American Association for the Advancement of Science) (10-04-2020)“…Maximizing the power conversion efficiency (PCE) of perovskite/silicon tandem solar cells that can exceed the Shockley-Queisser single-cell limit requires a…”
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2
Strategies to reduce the open-circuit voltage deficit in Cu2ZnSn(S,Se)4 thin film solar cells
Published in Electronic materials letters (01-09-2017)“…Cu 2 ZnSn(S,Se) 4 thin film solar cell has attracted significant attention in thin film solar cell technologies considering its low-cost, non-toxicity, and…”
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3
Effects of the incorporation of alkali elements on Cu(In,Ga)Se2 thin film solar cells
Published in Solar energy materials and solar cells (01-12-2016)“…This study describes in detail the effects of sodium and potassium on Cu(In,Ga)Se2 (CIGS) absorbers and solar cells. We report on the influence of these…”
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4
Improving the open‐circuit voltage of Cu2ZnSnSe4 thin film solar cells via interface passivation
Published in Progress in photovoltaics (01-04-2017)“…This study reports on substantial improvement of the open‐circuit voltage (Voc) of Cu2ZnSnSe4 (CZTSe) thin film solar cells by applying a passivation strategy…”
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5
Improving Uniformity and Reproducibility of Hybrid Perovskite Solar Cells via a Low-Temperature Vacuum Deposition Process for NiOx Hole Transport Layers
Published in ACS applied materials & interfaces (10-01-2018)“…Recently, the trend in inverted hybrid perovskite solar cells (PVSCs) has been to utilize NiOx as hole transport layers. However, the majority of reported…”
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6
Vertical full-colour micro-LEDs via 2D materials-based layer transfer
Published in Nature (London) (02-02-2023)“…Micro-LEDs (µLEDs) have been explored for augmented and virtual reality display applications that require extremely high pixels per inch and luminance 1 , 2 …”
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Ultrahigh Photoresponsivity of W/Graphene/β-Ga2O3 Schottky Barrier Deep Ultraviolet Photodiodes
Published in ACS nano (27-02-2024)“…The integration of graphene with semiconductor materials has been studied for developing advanced electronic and optoelectronic devices. Here, we propose…”
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8
Preparation of single-phase SnSe thin-films and modification of electrical properties via stoichiometry control for photovoltaic application
Published in Journal of alloys and compounds (25-10-2017)“…Single-phase SnSe thin films were prepared via thermal co-evaporation using a Se thermal cracker. By carefully tuning the stoichiometry of the SnSe, we found…”
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9
Remote Epitaxy: Fundamentals, Challenges, and Opportunities
Published in Nano letters (13-03-2024)“…Advanced heterogeneous integration technologies are pivotal for next-generation electronics. Single-crystalline materials are one of the key building blocks…”
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10
Ultrahigh Photoresponsivity of W/Graphene/β-Ga 2 O 3 Schottky Barrier Deep Ultraviolet Photodiodes
Published in ACS nano (27-02-2024)“…The integration of graphene with semiconductor materials has been studied for developing advanced electronic and optoelectronic devices. Here, we propose…”
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11
The future of two-dimensional semiconductors beyond Moore’s law
Published in Nature nanotechnology (01-07-2024)“…The primary challenge facing silicon-based electronics, crucial for modern technological progress, is difficulty in dimensional scaling. This stems from a…”
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12
Oxidation-Resistant Amorphous Zinc Tin Nitride Films with Tunable Optical and Electrical Properties
Published in Chemistry of materials (09-08-2022)“…Zinc tin nitride (ZTN) compounds exhibit excellent optical and defect-tolerance properties desirable for optoelectronic applications. However, the synthesis of…”
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13
High-throughput manufacturing of epitaxial membranes from a single wafer by 2D materials-based layer transfer process
Published in Nature nanotechnology (01-05-2023)“…Layer transfer techniques have been extensively explored for semiconductor device fabrication as a path to reduce costs and to form heterogeneously integrated…”
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14
Exceptional Thermochemical Stability of Graphene on N‑Polar GaN for Remote Epitaxy
Published in ACS nano (14-11-2023)“…In this study, we investigate the thermochemical stability of graphene on the GaN substrate for metal–organic chemical vapor deposition (MOCVD)-based remote…”
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15
Atomistic consideration of earth-abundant chalcogenide materials for photovoltaics: Kesterite and beyond
Published in Journal of materials research (14-12-2018)“…Despite the potential as a promising alternative to CdTe and Cu(In,Ga)Se2, the kesterite compound Cu2ZnSn(S,Se)4 (CZTSSe) presents a critical challenge mainly…”
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16
Improving the open-circuit voltage of Cu sub(2)ZnSnSe sub(4) thin film solar cells via interface passivation
Published in Progress in photovoltaics (01-04-2017)“…This study reports on substantial improvement of the open-circuit voltage (V sub(oc)) of Cu sub(2)ZnSnSe sub(4) (CZTSe) thin film solar cells by applying a…”
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17
Improving the open‐circuit voltage of Cu 2 ZnSnSe 4 thin film solar cells via interface passivation
Published in Progress in photovoltaics (01-04-2017)“…Abstract This study reports on substantial improvement of the open‐circuit voltage ( V oc ) of Cu 2 ZnSnSe 4 (CZTSe) thin film solar cells by applying a…”
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18
Importance of Fine Control of Se Flux for Improving Performances of Sb2Se3 Solar Cells Prepared by Vapor Transport Deposition
Published in Solar RRL (01-08-2021)“…Sb2Se3 possesses a quasi‐1D (Q1D) structure, which creates an anisotropic charge transporting behavior in which the carrier transport is very efficient along…”
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19
Improving Uniformity and Reproducibility of Hybrid Perovskite Solar Cells via a Low-Temperature Vacuum Deposition Process for NiO x Hole Transport Layers
Published in ACS applied materials & interfaces (10-01-2018)“…Recently, the trend in inverted hybrid perovskite solar cells (PVSCs) has been to utilize NiO x as hole transport layers. However, the majority of reported…”
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20
Unassisted Water Splitting Exceeding 9% Solar-to-Hydrogen Conversion Efficiency by Cu(In, Ga)(S, Se)2 Photocathode with Modified Surface Band Structure and Halide Perovskite Solar Cell
Published in ACS applied energy materials (23-03-2020)“…By introducing ZnS between Cu(In, Ga)(S,Se)2 (CIGS) and the CdS, we greatly improved the photoelectrochemical (PEC) performance of the CIGS photocathode for…”
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