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
Dual Passivation of Perovskite Defects for Light‐Emitting Diodes with External Quantum Efficiency Exceeding 20%
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DOI: 10.1002/adfm.201909754
Abstract: Solution‐processed metal halide perovskites (MHPs) have attracted much attention for applications in light‐emitting diodes (LEDs) due to their wide color gamut, high color purity, tunable emission wavelength, balanced electron/hole transportation, etc. Although MHPs are very… read more here.
Keywords: dual passivation; light emitting; passivation; emitting diodes ... See more keywords
Double‐Side Si Photoelectrode Enabled by Chemical Passivation for Photoelectrochemical Hydrogen and Oxygen Evolution Reactions
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DOI: 10.1002/adfm.202007222
Abstract: This paper describes a Si photoelectrode with an ultra‐long minority carrier diffusion length (1940 µm) passivated by an amorphous Si layer, which provides a chemically passivated surface. With this extremely long carrier diffusion length, it… read more here.
Keywords: double side; side photoelectrode; passivation; hydrogen ... See more keywords
Surface Reconstruction Engineering with Synergistic Effect of Mixed‐Salt Passivation Treatment toward Efficient and Stable Perovskite Solar Cells
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DOI: 10.1002/adfm.202102902
Abstract: Surface passivation treatment is a widely used strategy to resolve trap‐mediated nonradiative recombination toward high‐efficiency metal‐halide perovskite photovoltaics. However, a lack of passivation with mixture treatment has been investigated, as well as an in‐depth understanding… read more here.
Keywords: perovskite; mixed salt; surface; passivation ... See more keywords
Enhanced Carrier Selectivity and Superior Passivation in Cost‐Effective Heterogeneous Hybrid Transport Layers for Next Generation Silicon Solar Cells
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DOI: 10.1002/adfm.202409070
Abstract: Hybrid hole transport layers (HHTLs) consisting of‐a low‐cost, low‐temperature, dopant‐free, organic, hole‐selective poly(3,4‐ethylenedioxythiophene):polystyrene sulphonate (PEDOT:PSS) and an inorganic homogenous tunnel oxides (HoTOs), such as SiOx, TiOx, and AlOx have allowed significant improvements in carrier selectivity… read more here.
Keywords: passivation; transport layers; silicon solar; selectivity ... See more keywords
Enhanced Stability of N‐Type Organic Electrochemical Transistors Via Small‐Molecule Passivation
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DOI: 10.1002/adfm.202414916
Abstract: Organic electrochemical transistors (OECTs) are of great interest owing to their potential applications in bioelectronics and neuromorphic systems. However, n‐type OECTs suffer from poor stability and facile degradation, mainly due to the oxygen reduction reactions… read more here.
Keywords: stability; organic electrochemical; bbl; electrochemical transistors ... See more keywords
Approaching Charge Compensation Limit for Promoting Magnetoresistance in 2D Nonlayered MoO2 via Surface Hydrogen Passivation
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DOI: 10.1002/adfm.202422024
Abstract: Large non‐saturated magnetoresistances of semimetals are dominated by charge compensation due to their unique electronic structure. However, the dramatic magnetoresistance deteriorations are often observed in low‐dimensional system resulting from high‐density surface defects, where the suppression… read more here.
Keywords: passivation; magnetoresistance; charge compensation; surface ... See more keywords
2D Capping Layer Passivation toward Inorganic CsPbI3 Perovskite Minimodule
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DOI: 10.1002/adfm.202423397
Abstract: Surface termination is so far the mainstream passivating method to enhance the performance of CsPbI3 solar cells. However, surface termination can hardly achieve effective and homogeneous passivation on large‐area CsPbI3 films, which is one key… read more here.
Keywords: surface termination; cspbi3; passivation; perovskite ... See more keywords
Revealing the Critical Role of Electron‐Withdrawing Cores in Bulk Passivation of Diammonium Ligands Toward High‐Performance Perovskite Solar Cells
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DOI: 10.1002/adfm.202424259
Abstract: Diammonium derivatives with electron‐withdrawing cores of cyclohexyl or phenyl have demonstrated enormous potential in achieving high‐performance perovskite solar cells. Nevertheless, the critical role of these electron‐withdrawing cores of the diammonium passivation on device performance is… read more here.
Keywords: passivation; withdrawing cores; electron withdrawing; high performance ... See more keywords
Passivation of Black Phosphorus via Self-Assembled Organic Monolayers by van der Waals Epitaxy.
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DOI: 10.1002/adma.201603990
Abstract: An effective passivation approach to protect black phosphorus (BP) from degradation based on multi-scale simulations is proposed. The self-assembly of perylene-3,4,9,10-tetracarboxylic dianhydride monolayers via van der Waals epitaxy on BP does not break the original… read more here.
Keywords: van der; passivation; der waals; black phosphorus ... See more keywords
Recent Progress on Stability and Passivation of Black Phosphorus.
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DOI: 10.1002/adma.201704749
Abstract: From a fundamental science perspective, black phosphorus (BP) is a canonical example of a material that possesses fascinating surface and electronic properties. It has extraordinary in-plane anisotropic electrical, optical, and vibrational states, as well as… read more here.
Keywords: degradation; progress; passivation; surface ... See more keywords