Defect Passivation via the Incorporation of Tetrapropylammonium Cation Leading to Stability Enhancement in Lead Halide Perovskite
Sign Up to like & getrecommendations! 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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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
Synergistic Interface Energy Band Alignment Optimization and Defect Passivation toward Efficient and Simple‐Structured Perovskite Solar Cell
Sign Up to like & getrecommendations! 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.
Sign Up to like & getrecommendations! 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.
Sign Up to like & getrecommendations! 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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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
Molecular Interaction Regulates the Performance and Longevity of Defect Passivation for Metal Halide Perovskite Solar Cells.
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Enhanced efficacy of defect passivation and charge extraction for efficient perovskite photovoltaics with a small open circuit voltage loss
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Chemistry A"
DOI: 10.1039/c9ta01760g
Abstract: A multifunctional 2D polymeric semiconductor was incorporated to provide surprisingly robust efficacy in grain boundary functionalization and defect passivation of perovskite, which suppresses charge recombination and thus affording an illustrious photovoltage of 1.16 V and power… read more here.
Keywords: efficacy; enhanced efficacy; efficacy defect; passivation charge ... See more keywords
Defect passivation using ultrathin PTAA layers for efficient and stable perovskite solar cells with a high fill factor and eliminated hysteresis
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Chemistry A"
DOI: 10.1039/c9ta08314f
Abstract: Ultra-thin PTAA layers contribute to interface defect passivation and interface recombination reduction to improve the efficiency of perovskite solar cells. read more here.
Keywords: perovskite solar; solar cells; defect passivation; ptaa layers ... See more keywords
Efficient defect passivation with niacin for high-performance and stable perovskite solar cells
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Materials Chemistry C"
DOI: 10.1039/d1tc00886b
Abstract: 3-Picolinic acid (niacin) is utilized to coordinate with Pb2+, passivate the defects and control the perovskite crystal growth. The resulting device achieved a PCE close to 20%, along with improved air and ultraviolet illumination stability. read more here.
Keywords: niacin high; passivation niacin; efficient defect; performance stable ... See more keywords