Niobium pentoxide: a promising surface-enhanced Raman
网页2017年3月15日 · This work has revealed Nb2O5 nanoparticles as a new semiconductor surface-enhanced Raman scattering substrate that is able to replace noble metals and shows great potentials applied in the...
Nb2O5‐Based Photocatalysts - Su - 2021 - Wiley Online Library
网页The specific surface area (SSA) of commercial Nb 2 O 5 (orthorhombic phase) is lower than 15 m 2 g −1. This property leads to the restricted active sites and a high recombination efficiency of charge carriers on Nb 2 O 5. Nowadays, the Nb 2 O 5 catalysts with diverse morphologies are synthesized to solve these problems in photocatalysis.
High-density frustrated Lewis pairs based on Lamellar Nb2O5 for ...
网页2023年4月10日 · Benefitting from the planar atomic arrangement of lamellar Nb 2 O 5, the frustrated Lewis pairs sites are highly exposed and accessible to reactants, which results in a superior methane...
Niobium pentoxide nanomaterials with distorted structures as …
网页2019年11月13日 · The compounds synthesized via aldol condensation have high specific surface areas; in particular, Nb 2 O 5-NS shows a surface area increase of almost 80% with respect to the nanoparticles.
An overview of bi-layered niobium pentoxide (Nb2O5)-based
网页2023年11月24日 · Niobium pentoxide (Nb2O5) blocking layers are a considerable and effective photoanode material in the fabrication of highly efficient dye-sensitized solar cells (DSSCs) due to their higher conduction band edge position than that of titania (TiO2) and zinc oxide (ZnO).
Influence of Nb2O5 crystal structure on photocatalytic efficiency
网页2021年2月1日 · The crystalline structure and the corresponding surface area of Nb 2 O 5 changed with an increase in the heat-treatment temperature, leading to different photocatalytic activities. Thus, for Nb 2 O 5 with low crystallinity, the total degradation of RhB on pseudohexagonal Nb 2 O 5 is 97%, whereas that on orthorhombic Nb 2 O 5 is 57%.
Synthesis and Characterization of Nb2O5 Nanostructures
网页2021年10月22日 · The large specific surface area and more efficient conversion of UV photons into effective charge carriers could explain its better performance demonstrating the excellent applicability potential of this nanostructured KNbO 3 material in the degradation of organic pollutants in
Full article: Nanostructured Nb2O5 catalysts - Taylor & Francis …
网页2012年8月7日 · Nb 2 O 5 shows a great promise in providing strong surface acidity and stability in aqueous medium for various acid-catalyzed reactions. In addition, pure or doped Nb 2 O 5 are the focuses of growing attention for the photo-degradation of organic contaminants 7 8.
Shape‐Dependent Acidity and Photocatalytic Activity of Nb2O5 ...
网页2012年2月1日 · With a shape-dependent surface acidity, hydrothermal stability, and high photoactivity, these Nb 2 O 5 nanorods are a unique and exciting nanomaterial for non-classical photocatalytic mineralization of organic compounds in water.
Tuning Optical and Electrochemical Properties of Nb2O5 Thin
网页3 天之前 · The ∼41% WO 3-doped Nb 2 O 5 thin film demonstrated superior electrochemical performance, attributed to improved crystallinity and higher surface roughness, which enhance electrode conductivity and provide more surface-active sites for Li⁺ redox reactions.
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