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   Articles with "defect passivation" as a keyword



Defect Passivation via the Incorporation of Tetrapropylammonium Cation Leading to Stability Enhancement in Lead Halide Perovskite

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recommendations! Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201909737

Abstract: Improving the performances of photovoltaic (PV) devices by suppressing nonradiative energy losses through surface defect passivation and enhancing the stability to the level of standard PV represents one critical challenge for perovskite solar cells. Here,… read more here.

Keywords: tetrapropylammonium; defect passivation; passivation via; spectroscopy ... See more keywords

Defect Passivation in Air‐Stable Tin(IV)‐Halide Single Crystal for Emissive Self‐Trapped Excitons

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recommendations! Published in 2021 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202108561

Abstract: Tin(IV)‐based metal halides are promising optoelectronic materials due to their robust structure and eco‐friendly nature, but these materials exhibit poor photoluminescence (PL) properties and the underlying mechanisms are still elusive. Here, a novel air‐stable hybrid… read more here.

Keywords: air stable; tin; self trapped; defect passivation ... See more keywords

Effective Surface Engineering for Defect Passivation and Reduction of Water Oxidation Overpotential in Benchmark 2D 𝛼‐SnWO4 Nanoplate Photoanodes

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recommendations! Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202417398

Abstract: Stannous tungstate (α‐SnWO4) is a highly anticipated next‐generation metal oxide photoanode for photoelectrochemical (PEC) water oxidation because of its narrow bandgap (1.9 eV) and favorable band edge positions. Despite its high theoretical photocurrent density, its… read more here.

Keywords: water oxidation; water; snwo4; surface ... See more keywords

Defect Passivation Refinement in Perovskite Photovoltaics: Achieving Efficiency over 45% under Low‐Light and Low‐Temperature Dual Extreme Conditions

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recommendations! Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202312014

Abstract: Perovskite photovoltaics have emerged as the most promising candidates for next‐generation light‐to‐electricity technology. However, their practical application still suffers from energy loss induced by intrinsic defects within the perovskite lattice. Here, a refined defect passivation… read more here.

Keywords: perovskite photovoltaics; low light; light low; passivation ... See more keywords

Enabling Photostable Perovskite Solar Cells via Sustainable Operando Defect‐Passivation Strategy

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recommendations! Published in 2025 at "Advanced Materials"

DOI: 10.1002/adma.202507435

Abstract: The amount of passivator is usually optimized for freshly prepared devices, which is static and short‐term. However, photoinduced defects and the movement of halogen ions are dynamically generated in real time. Long‐term operational passivation, designed… read more here.

Keywords: sustainable operando; strategy; passivation; passivation strategy ... See more keywords
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Synergistic Interface Energy Band Alignment Optimization and Defect Passivation toward Efficient and Simple‐Structured Perovskite Solar Cell

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recommendations! Published in 2020 at "Advanced Science"

DOI: 10.1002/advs.201902656

Abstract: Abstract Efficient electron transport layer–free perovskite solar cells (ETL‐free PSCs) with cost‐effective and simplified design can greatly promote the large area flexible application of PSCs. However, the absence of ETL usually leads to the mismatched… read more here.

Keywords: pscs; energy; perovskite solar; defect passivation ... See more keywords

Crystal Growth Promotion and Defect Passivation by Hydrothermal and Selenized Deposition for Substrate-Structured Antimony Selenosulfide Solar Cells.

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recommendations! Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c06805

Abstract: Antimony sulfide-selenide (Sb2(S,Se)3) is a promising light-harvesting material for stable and high-efficiency thin-film photovoltaics (PV) because of its excellent light-harvesting capability, abundant elemental storage, and excellent stability. This study aimed to expand the application of… read more here.

Keywords: crystal growth; sb2; solar cells; growth promotion ... See more keywords

Spatially Selective Enhancement of Photoluminescence in MoS2 by Exciton-Mediated Adsorption and Defect Passivation.

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recommendations! Published in 2019 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.9b00390

Abstract: Monolayers of transition-metal dichalcogenides (TMDs) are promising components for flexible optoelectronic devices because of their direct band gap and atomically thin nature. The photoluminescence (PL) from these materials is often strongly suppressed by nonradiative recombination… read more here.

Keywords: adsorption; passivation; exciton; mos2 ... See more keywords

Defect Passivation via Isoxazole Doping in Perovskite Solar Cells

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recommendations! Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c03775

Abstract: To improve perovskite solar cell (PSC) performance, which is deeply related to perovskite layer quality, researchers have explored numerous strategies. Additive doping into perovskite precursors has been widely used to improve the PSC performance. In… read more here.

Keywords: isoxazole doping; doping perovskite; passivation via; perovskite solar ... See more keywords
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Molecular Interaction Regulates the Performance and Longevity of Defect Passivation for Metal Halide Perovskite Solar Cells.

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recommendations! Published in 2020 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.0c09560

Abstract: Defect passivation constitutes one of the most commonly used strategies to fabricate highly efficient perovskite solar cells (PSCs). However, the durability of the passivation effects under harsh operational conditions has not been extensively studied regardless… read more here.

Keywords: passivation; perovskite solar; performance; interaction ... See more keywords

Defect passivation in hybrid perovskite solar cells using quaternary ammonium halide anions and cations

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recommendations! Published in 2017 at "Nature Energy"

DOI: 10.1038/nenergy.2017.102

Abstract: The ionic defects at the surfaces and grain boundaries of organic–inorganic halide perovskite films are detrimental to both the efficiency and stability of perovskite solar cells. Here, we show that quaternary ammonium halides can effectively… read more here.

Keywords: quaternary ammonium; perovskite solar; defect passivation; solar cells ... See more keywords