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   Articles with "grain boundaries" as a keyword



Blocking of Conducting Channels Widens Window for Ferroelectric Resistive Switching in Interface‐Engineered Hf 0.5 Zr 0.5 O 2 Tunnel Devices

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recommendations! Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202002638

Abstract: Films of Hf0.5Z0.5O2 (HZO) contain a network of grain boundaries. In (111) HZO epitaxial films on (001) SrTiO3, for instance, twinned orthorhombic (o-HZO) ferroelectric crystallites coexist with grain boundaries between o-HZO and a residual paraelectric… read more here.

Keywords: blocking conducting; capping layers; hzo; grain boundaries ... See more keywords
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Grain-Boundary-Induced Drastic Sensing Performance Enhancement of Polycrystalline-Microwire Printed Gas Sensors.

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recommendations! Published in 2019 at "Advanced materials"

DOI: 10.1002/adma.201804583

Abstract: The development of materials with high efficiency and stable signal output in a bent state is important for flexible electronics. Grain boundaries provide lasting inspiration and a promising avenue for designing advanced functionalities using nanomaterials.… read more here.

Keywords: grain boundary; boundary induced; induced drastic; sensing performance ... See more keywords
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Suppressing Vacancy Defects and Grain Boundaries via Ostwald Ripening for High-Performance and Stable Perovskite Solar Cells.

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recommendations! Published in 2019 at "Advanced materials"

DOI: 10.1002/adma.201904347

Abstract: As one kind of promising next-generation photovoltaic devices, perovskite solar cells (PVSCs) have experienced unprecedented rapid growth in device performance over the past few years. However, the practical applications of PVSCs require much improved device… read more here.

Keywords: ostwald ripening; perovskite solar; suppressing vacancy; performance ... See more keywords

Engineering Grain Boundaries in Two‐Dimensional Electronic Materials

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recommendations! Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202203425

Abstract: Engineering the boundary structures in 2D materials provides an unprecedented opportunity to program the physical properties of the materials with extensive tunability and realize innovative devices with advanced functionalities. However, structural engineering technology is still… read more here.

Keywords: materials engineering; grain boundaries; boundaries two; engineering grain ... See more keywords

Engineering High‐Density Grain Boundaries in Ru0.8Ir0.2Ox Solid‐Solution Nanosheets for Efficient and Durable OER Electrocatalysis

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recommendations! Published in 2025 at "Advanced Materials"

DOI: 10.1002/adma.202501607

Abstract: The oxygen evolution reaction (OER) in proton exchange membrane water electrolyzers (PEMWE) has long stood as a formidable challenge for green hydrogen sustainable production, hindered by sluggish kinetics, high overpotentials, and poor durability. Here, these… read more here.

Keywords: grain boundaries; engineering high; ru0 8ir0; 8ir0 2ox ... See more keywords

Observation and Implications of Composition Inhomogeneity Along Grain Boundaries in Thin Film Polycrystalline CdTe Photovoltaic Devices

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recommendations! Published in 2019 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.201900152

Abstract: Leading photovoltaic technologies such as multicrystalline Si, CdTe, Cu(In,Ga)Se2, and lead halide perovskites are polycrystalline, yet achieve relatively high performance. At the moment polycrystalline photovoltaic technologies stand at a juncture where further advances in device… read more here.

Keywords: chemistry; grain boundaries; cdte; along grain ... See more keywords
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Grain Boundaries Control Lithiation of Solid Solution Substrates in Lithium Metal Batteries

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recommendations! Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202409275

Abstract: The development of sustainable transportation and communication systems requires an increase in both energy density and capacity retention of Li‐batteries. Using substrates forming a solid solution with body‐centered cubic Li enhances the cycle stability of… read more here.

Keywords: lithiation; grain boundaries; solid solution; boundaries control ... See more keywords
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In Situ Construction of Multi‐Functional Polymer Network Toward Durable Perovskite Solar Cells

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recommendations! Published in 2025 at "Advanced Science"

DOI: 10.1002/advs.202503417

Abstract: Enhancing the crystalline quality of perovskite thin films and stabilizing their internal grain boundaries are essential in guaranteeing the extended longevity of perovskite solar cells. Herein, an in situ polymerization strategy is presented to produce… read more here.

Keywords: grain boundaries; solar cells; polymer; situ construction ... See more keywords

Sodium Passivation of the Grain Boundaries in CuInSe2 and Cu2ZnSnS4 for High-Efficiency Solar Cells

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recommendations! Published in 2017 at "Advanced Energy Materials"

DOI: 10.1002/aenm.201601457

Abstract: It is well known that sodium at grain boundaries (GBs) increases the photovoltaic efficiencies of CuInSe2 and Cu2ZnSnS4 significantly. However, the mechanism of how sodium influences the GBs is still unknown. Based on the recently… read more here.

Keywords: passivation; dangling bonds; bonds gbs; grain boundaries ... See more keywords

Local Multimodal Electro‐Chemical‐Structural Characterization of Solid‐Electrolyte Grain Boundaries

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recommendations! Published in 2021 at "Advanced Energy Materials"

DOI: 10.1002/aenm.202003309

Abstract: Typical models of polycrystalline ionic materials treat the grain boundary properties as single valued, without consideration of the full range of values that define the macroscopically measured average. Here a unique experimental platform suitable for… read more here.

Keywords: grain boundaries; local multimodal; characterization; spectroscopy ... See more keywords

Retrieving Grain Boundaries in 2D Materials.

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recommendations! Published in 2022 at "Small"

DOI: 10.1002/smll.202205593

Abstract: The coalescence of randomly distributed grains with different crystallographic orientations can result in pervasive grain boundaries (GBs) in 2D materials during their chemical synthesis. GBs not only are the inherent structural imperfection that causes influential… read more here.

Keywords: retrieving grain; grain boundaries; boundaries materials; grain ... See more keywords