Articles with "crystal facet" as a keyword



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A New Concept and Strategy for Photovoltaic and Thermoelectric Power Generation Based on Anisotropic Crystal Facet Unit

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202002606

Abstract: According to the classic concept of photovoltaic devices, p–n junctions and heterojunctions are indispensable for carrier separation. Herein, for the first time, a novel concept of “anisotropic crystal facet unit” is put forward and clarified… read more here.

Keywords: photovoltaic thermoelectric; facet unit; concept; crystal facet ... See more keywords
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Distinct Crystal‐Facet‐Dependent Behaviors for Single‐Atom Palladium‐On‐Ceria Catalysts: Enhanced Stabilization and Catalytic Properties

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202107721

Abstract: High‐performance, fully atomically dispersed single‐atom catalysts (SACs) are promising candidates for next‐generation industrial catalysts. However, it remains a great challenge to avoid the aggregation of isolated atoms into nanoparticles during the preparation and application of… read more here.

Keywords: single atom; spectroscopy; behaviors single; distinct crystal ... See more keywords
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Crystal-facet-dependent catalysis of anatase TiO2 on hydrogen storage of MgH2

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2019.153553

Abstract: Abstract Various catalysts are developed to enhance the hydrogen storage performances of magnesium based hydride. In particular, the morphology of catalysts governs their surface energy and chemical interactions with Mg and hydrogen, which makes it… read more here.

Keywords: crystal facet; hydrogen storage; anatase tio2; hydrogen ... See more keywords
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Silver nanofibers with controllable microstructure and crystal facet as highly efficient and methanol-tolerant oxygen reduction electrocatalyst

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Published in 2019 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2018.12.046

Abstract: Abstract Self-support silver nanofibers with excellent electrocatalytic performance for oxygen reduction reaction (ORR) are successfully fabricated through a hybrid method combining an electrospinning process with an electroplating technique. This nanofiber-based catalyst demonstrated superior long-term stability… read more here.

Keywords: oxygen reduction; methanol tolerant; silver nanofibers; oxygen ... See more keywords
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Morphology and crystal facet-dependent activation mechanism of persulfate by V2O5 nanomaterials for organic pollutants degradation

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Published in 2020 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2020.117501

Abstract: Abstract Vanadium pentoxide (V2O5) including nanorod-like V2O5 (VR), nanowire-like V2O5 (VW) and nanospheres (VS) were synthesized by simple hydrothermal methods and then used as heterogeneous catalysts for persulfate activation. A series of characterization containing XRD,… read more here.

Keywords: degradation; crystal facet; v2o5; persulfate v2o5 ... See more keywords
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Crystal-facet-controllable synthesis of Cu2O micron crystals by one-step, surfactant- and capping agent-free method and the formation mechanism

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Published in 2020 at "Solid State Sciences"

DOI: 10.1016/j.solidstatesciences.2020.106203

Abstract: Abstract In this paper, well-defined polyhedral Cu2O crystals with different shapes were achieved by using different copper salts (including copper sulfate, copper chloride and copper acetate) and glucose as reactants. The growth process and formation… read more here.

Keywords: crystal facet; formation mechanism; cu2o; copper ... See more keywords
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Crystal Facet Engineering of Photoelectrodes for Photoelectrochemical Water Splitting.

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Published in 2019 at "Chemical reviews"

DOI: 10.1021/acs.chemrev.8b00584

Abstract: Photoelectrochemical (PEC) water splitting is a promising approach for solar-driven hydrogen production with zero emissions, and it has been intensively studied over the past decades. However, the solar-to-hydrogen (STH) efficiencies of the current PEC systems… read more here.

Keywords: crystal facet; water splitting; facet engineering;
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Two-Step Process of a Crystal Facet-Modulated BiVO4 Photoanode for Efficiency Improvement in Photoelectrochemical Hydrogen Evolution.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c03514

Abstract: The photoactivity of nanoporous bismuth vanadate (BiVO4, BVO) photoanodes that were fabricated by a two-step process (electrodeposition and then thermal conversion) in photoelectrochemical (PEC) hydrogen (H2) evolution can be enhanced about 1.44-fold by improving the… read more here.

Keywords: bvo photoanodes; hydrogen; facet modulation; crystal facet ... See more keywords
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Crystal-facet-dependent denitrosylation: modulation of NO release from S-nitrosothiols by Cu2O polymorphs† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c9sc01374a

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Published in 2019 at "Chemical Science"

DOI: 10.1039/c9sc01374a

Abstract: Crystal facet-dependent Cu2O-mediated denitrosylation of S-nitrosothiols and release of nitric oxide (NO) are described. read more here.

Keywords: denitrosylation modulation; crystal facet; dependent denitrosylation; facet dependent ... See more keywords
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Experimental and theoretical evaluation of crystal facet exposure on the charge transfer and SERS activity of ZnO films.

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Published in 2022 at "Nanoscale"

DOI: 10.1039/d2nr04476e

Abstract: Semiconductors exhibit great potential as a surface enhanced Raman scattering (SERS) substrate due to their low cost, good stability and biocompatibility. However, the extensive application of semiconductors has been restricted by their intrinsically low SERS… read more here.

Keywords: sers activity; zno films; transfer sers; charge transfer ... See more keywords