Articles with "open circuit" as a keyword



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Heterojunction Annealing Enabling Record Open-Circuit Voltage in Antimony Triselenide Solar Cells.

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Published in 2022 at "Advanced materials"

DOI: 10.1002/adma.202109078

Abstract: Despite the fact that antimony triselenide (Sb2 Se3 ) thin-film solar cell has undergone rapid development in recent years, the large open-circuit voltage (VOC ) deficit still remains to be the biggest bottleneck as even… read more here.

Keywords: circuit voltage; record; antimony triselenide; open circuit ... See more keywords
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Crystal Growth Promotion and Defects Healing Enable Minimum Open‐Circuit Voltage Deficit in Antimony Selenide Solar Cells

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202105142

Abstract: Abstract Antimony selenide (Sb2Se3) is an ideal photovoltaic candidate profiting from its advantageous material characteristics and superior optoelectronic properties, and has gained considerable development in recent years. However, the further device efficiency breakthrough is largely… read more here.

Keywords: deficit; open circuit; growth; antimony selenide ... See more keywords
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High Open Circuit Voltage Over 1 V Achieved in Tin-Based Perovskite Solar Cells with a 2D/3D Vertical Heterojunction.

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Published in 2022 at "Advanced science"

DOI: 10.1002/advs.202200242

Abstract: 2D-3D mixed tin halide perovskites are outstanding candidate materials for lead-free perovskite solar cells (PSCs) due to their improved stability and decreased trap density in comparison with their pure 3D counterparts. However, the mixture of… read more here.

Keywords: circuit voltage; solar cells; perovskite solar; voltage ... See more keywords
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How Do Surface Polar Molecules Contribute to High Open-Circuit Voltage in Perovskite Solar Cells?

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Published in 2023 at "Advanced science"

DOI: 10.1002/advs.202205072

Abstract: To date, the improvement of open-circuit voltage (VOC ) offers a breakthrough for the performance of perovskite solar cells (PSCs) toward their theoretical limit. Surface modification through organic ammonium halide salts (e.g., phenethylammonium ions PEA+… read more here.

Keywords: solar cells; surface; polar molecules; voltage ... See more keywords
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Dual Interfacial Modifications Enable High Performance Semitransparent Perovskite Solar Cells with Large Open Circuit Voltage and Fill Factor

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Published in 2017 at "Advanced Energy Materials"

DOI: 10.1002/aenm.201602333

Abstract: In this work, both anode and cathode interfaces of p-i-n CH3NH3PbI3 perovskite solar cells (PVSCs) are simultaneously modified to achieve large open-circuit voltage (Voc) and fill factor (FF) for high performance semitransparent PVSCs (ST-PVSCs). At… read more here.

Keywords: open circuit; perovskite; large open; perovskite solar ... See more keywords
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Relating Frontier Orbital Energies from Voltammetry and Photoelectron Spectroscopy to the Open-Circuit Voltage of Organic Solar Cells

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Published in 2019 at "Advanced Energy Materials"

DOI: 10.1002/aenm.201803677

Abstract: For 19 diketopyrrolopyrrole polymers, the highest occupied molecular orbital (HOMO) energies are determined from i) the oxidation potential with square-wave voltammetry (SWV), ii) the ionization potential using ultraviolet photoelectron spectroscopy (UPS), and iii) density functional… read more here.

Keywords: open circuit; spectroscopy; photoelectron spectroscopy; circuit voltage ... See more keywords
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Ionic Liquid-Assisted Crystallization and Defect Passivation for Efficient Perovskite Solar Cells with Enhanced Open-Circuit Voltage.

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Published in 2022 at "ChemSusChem"

DOI: 10.1002/cssc.202200819

Abstract: Perovskite materials have demonstrated many excellent properties in next generation photovoltaic devices, but the intrinsic defects and the quality of perovskite film still limit the performance and stability of PSCs. Here, 1,3-dimethylimidazolium iodide (DMII) ionic… read more here.

Keywords: ionic liquid; film; liquid; open circuit ... See more keywords
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Improvement of Open-Circuit Voltage Deficit via Pre-Treated NH4 + Ion Modification of Interface between SnO2 and Perovskite Solar Cells.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202204173

Abstract: Passivation is a popular method to increase power conversion efficiency (PCE), reduce hysteresis related to surface traps and defects, and adjust mismatched energy levels. In this paper, an approach is reported using ammonium chloride (AC)… read more here.

Keywords: sno2; sno2 perovskite; open circuit; passivation ... See more keywords
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Open-circuit respirometry: a brief historical review of the use of Douglas bags and chemical analyzers

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Published in 2017 at "European Journal of Applied Physiology"

DOI: 10.1007/s00421-017-3556-6

Abstract: The Douglas bag technique is reviewed as one in a series of articles looking at historical insights into measurement of whole body metabolic rate. Consideration of all articles looking at Douglas bag technique and chemical… read more here.

Keywords: open circuit; methodology; use; douglas bag ... See more keywords
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Open-circuit respirometry: a historical review of portable gas analysis systems

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Published in 2017 at "European Journal of Applied Physiology"

DOI: 10.1007/s00421-017-3716-8

Abstract: Scientists such as physiologists, engineers, and nutritionists have often sought to estimate human metabolic strain during daily activities and physical pursuits. The measurement of human metabolism can involve direct calorimetry as well as indirect calorimetry… read more here.

Keywords: open circuit; circuit; circuit respirometry; gas analysis ... See more keywords
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Enhancing the open-circuit voltage and efficiency of CZTS thin-film solar cells via band-offset engineering

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Published in 2020 at "Optical and Quantum Electronics"

DOI: 10.1007/s11082-019-2180-6

Abstract: Limits on the conversion efficiency and open-circuit voltage lead to low kesterite thin-film solar cell performance. The conduction band offset (CBO) between the absorber and buffer layers (p-CZTS and n-CdS) is considered to be one… read more here.

Keywords: open circuit; solar cell; thin film; efficiency ... See more keywords