Heterojunction Annealing Enabling Record Open-Circuit Voltage in Antimony Triselenide Solar Cells.
Sign Up to like & getrecommendations! 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
High Open‐Circuit Voltage Organic Solar Cells with 19.2% Efficiency Enabled by Synergistic Side‐Chain Engineering
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DOI: 10.1002/adma.202312101
Abstract: Restricted by the energy‐gap law, state‐of‐the‐art organic solar cells (OSCs) exhibit relatively low open‐circuit voltage (VOC) because of large nonradiative energy losses (ΔEnonrad). Moreover, the trade‐off between VOC and external quantum efficiency (EQE) of OSCs… read more here.
Keywords: energy; open circuit; solar cells; circuit voltage ... See more keywords
Suppressing Open‐Circuit Voltage Loss in Perovskite Solar Cells via Ligand‐Assisted Crystallization Dynamics Regulation Strategy
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DOI: 10.1002/adma.202511111
Abstract: Despite the dazzling progress since the emergence of perovskite solar cells (PSCs), a significant ideal‐reality discrepancy with respect to the open‐circuit voltage (VOC) still reminds the primarily weak parameter, inducing the limited power conversion efficiency… read more here.
Keywords: perovskite films; open circuit; solar cells; circuit voltage ... See more keywords
Crystal Growth Promotion and Defects Healing Enable Minimum Open‐Circuit Voltage Deficit in Antimony Selenide Solar Cells
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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
High Open Circuit Voltage Over 1 V Achieved in Tin-Based Perovskite Solar Cells with a 2D/3D Vertical Heterojunction.
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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
How Do Surface Polar Molecules Contribute to High Open-Circuit Voltage in Perovskite Solar Cells?
Sign Up to like & getrecommendations! 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
Dual Interfacial Modifications Enable High Performance Semitransparent Perovskite Solar Cells with Large Open Circuit Voltage and Fill Factor
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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
Relating Frontier Orbital Energies from Voltammetry and Photoelectron Spectroscopy to the Open-Circuit Voltage of Organic Solar Cells
Sign Up to like & getrecommendations! 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
Ionic Liquid-Assisted Crystallization and Defect Passivation for Efficient Perovskite Solar Cells with Enhanced Open-Circuit Voltage.
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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
Solvent Engineering-Enabled Surface Defect Passivation in Cu2ZnSn(S,Se)4 Solar Cells with Low Open-Circuit Voltage Losses and Improved Carrier Lifetime.
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DOI: 10.1002/cssc.202402391
Abstract: The efficiency of earth-abundant kesterite Cu2ZnSn(S,Se)4 (CZTSSe) solar cells has been lagging behind the Shockley-Queisser limit primarily due to the presence of deep-level defects. These deep-level defects cause critical issues such as short carrier diffusion… read more here.
Keywords: solvent; defect; solar cells; open circuit ... See more keywords
Recent Progress on Mitigating Open-Circuit Voltage Loss in Inorganic CsPbX3 Perovskite Solar Cells.
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DOI: 10.1002/cssc.202500428
Abstract: Cesium lead halide perovskites (CsPbX₃, X=I, Br or their mixture) have emerged as a type of promising photovoltaic material due to their outstanding optoelectronic properties, thermal stability and low cost. Despite the great progress achieved… read more here.
Keywords: loss; open circuit; cspbx3; circuit voltage ... See more keywords