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   Articles with "trap states" as a keyword



The Dynamics of Interfacial Trap States in High‐Detectivity Near‐Infrared Photomultiplication Organic Photodetectors

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recommendations! Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202518210

Abstract: The record‐high responsivity of photomultiplication organic photodetectors (PM OPDs) makes them an attractive solution for biometric monitoring and imaging applications. Photomultiplication is achieved through charge injection at high reverse bias via optical population of electronic… read more here.

Keywords: trap states; photomultiplication organic; organic photodetectors; photomultiplication ... See more keywords

Defect Engineering for Modulating the Trap States in 2D Photoconductors.

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recommendations! Published in 2018 at "Advanced materials"

DOI: 10.1002/adma.201804332

Abstract: Defect-induced trap states are essential in determining the performance of semiconductor photodetectors. The de-trap time of carriers from a deep trap can be prolonged by several orders of magnitude as compared to shallow traps, resulting… read more here.

Keywords: trap states; defect engineering; time; device ... See more keywords

Dynamic Formation of Metal-Based Traps in Photoexcited Colloidal Quantum Dots and Their Relevance for Photoluminescence

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recommendations! Published in 2021 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.1c00561

Abstract: Trap states play a crucial role in the design of colloidal quantum dot (QD)-based technologies. The presence of these in-gap states can either significantly limit the efficiency of devices (e.g., in solar cells or LEDs)… read more here.

Keywords: trap states; metal; metal based; colloidal quantum ... See more keywords

Impact of Bulk Trapping Phenomena on the Maximum Attainable Photovoltage of Semiconductor–Liquid Interfaces

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recommendations! Published in 2018 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.8b06854

Abstract: In this work, we present a generic semiclassical approach for theoretically evaluating the impact of bulk trap states on the maximum attainable photovoltage in solar-assisted water-splitting reactions. Our method explicitly considers the charge contribution due… read more here.

Keywords: trap states; attainable photovoltage; band; maximum attainable ... See more keywords

Solvent Effect on Film Formation and Trap States of Two-Dimensional Dion-Jacobson Perovskite.

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recommendations! Published in 2022 at "Nano letters"

DOI: 10.1021/acs.nanolett.2c02533

Abstract: Two dimensional Dion-Jacobson (2D DJ) perovskite has emerged as a potential photovoltaic material because of its unique optoelectronic characteristics. However, due to its low structural flexibility and high formation energy, extra assistance is needed during… read more here.

Keywords: two dimensional; jacobson perovskite; trap states; dimensional dion ... See more keywords

Strain-Engineered PbS Quantum Dot Solar Cells with Suppressed Trap States and Enhanced Performance.

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recommendations! Published in 2025 at "Nano letters"

DOI: 10.1021/acs.nanolett.5c03779

Abstract: Surface strain in quantum dot (QD) films, while not a defect itself, can distort the local lattice environment and promote the formation of electronic trap states, ultimately limiting charge transport and device performance. Here, we… read more here.

Keywords: strain; solar cells; quantum dot; trap states ... See more keywords

Fluctuations at Metal Halide Perovskite Grain Boundaries Create Transient Trap States: Machine Learning Assisted Ab Initio Analysis.

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

DOI: 10.1021/acsami.2c16203

Abstract: All-inorganic perovskites are promising candidates for solar energy and optoelectronic applications, despite their polycrystalline nature with a large density of grain boundaries (GBs) due to facile solution-processed fabrication. GBs exhibit complex atomistic structures undergoing slow… read more here.

Keywords: perovskite; grain boundaries; charge; trap states ... See more keywords

Probing Intrinsic Defect-Induced Trap States and Hopping Transport in Two-Dimensional PdSe2 Semiconductor Devices.

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

DOI: 10.1021/acsami.2c17821

Abstract: Palladium diselenide (PdSe2), as an emerging two-dimensional (2D) layered material, is gaining growing attention in nanoelectronics and optoelectronics due to its thickness-dependent band gap, high carrier mobility, and good air stability. However, its asymmetric pentagon… read more here.

Keywords: hopping transport; two dimensional; induced trap; trap states ... See more keywords

Dual Functionality of Surface States in Dictating Photocurrent Generation of Au Nanocluster-Sensitized TiO2 Electrodes.

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recommendations! Published in 2024 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.4c03841

Abstract: Gold nanoclusters (Au NCs), composed of only a few atoms, exhibit molecule-like behavior due to their distinct electronic structures arising from quantum confinement effects. Unlike their plasmonic nanoparticle counterparts, these nonplasmonic Au NCs possess unique… read more here.

Keywords: surface states; trap states; sensitized tio2; surface ... See more keywords

Limits of Defect Tolerance in Perovskite Nanocrystals: Effect of Local Electrostatic Potential on Trap States

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recommendations! Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c02027

Abstract: One of the most promising properties of lead halide perovskite nanocrystals (NCs) is their defect tolerance. It is often argued that, due to the electronic structure of the conduction and valence bands, undercoordinated ions can… read more here.

Keywords: trap states; trap; perovskite nanocrystals; defect tolerance ... See more keywords

Hot hole transfer at the plasmonic semiconductor/semiconductor interface.

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recommendations! Published in 2023 at "Nanoscale"

DOI: 10.1039/d2nr05044g

Abstract: Localized surface plasmon resonance (LSPR)-induced hot-carrier transfer provides an attractive alternative for light-harvesting using the full solar spectrum. This defect-mediated hot-carrier transfer is identical at the plasmonic semiconductor/semiconductor interface and can overcome the low efficiency… read more here.

Keywords: semiconductor semiconductor; trap states; semiconductor; hole transfer ... See more keywords