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Multidirectional porous NiO nanoplatelet-like mosaics as catalysts for green chemical transformations

Paper ID Volume ID Publish Year Pages File Format Full-Text
46134 46430 2012 12 PDF Available
Title
Multidirectional porous NiO nanoplatelet-like mosaics as catalysts for green chemical transformations
Abstract

The design of multidirectional porous metal oxide catalysts has attracted extensive attention because such materials have potential for environmental applications. To satisfy the requirements of these applications, large-scale production, low-cost manufacturing, and efficient transformation reactions are needed. The present paper reports the fabrication of hierarchical nickel oxide nanocrystals (NiO NCs) with hexagonal nanoplatelets and micro-, meso-, and macropore cavities through an eco-friendly method. The controlled size and shape of the NiO platelets in condensed orientation sequence “tesserae blocks” led to the formation of a hexagonal mosaic-like morphology. The NiO NCs could be recovered and reused without lost of activity over a number of batch reactions. In addition, theoretical models to predict the molecular structures of both the intermediate and transition states within the chemical transformation reactions were developed. The theoretical findings in the current study provide insight into the key factors that control the changes in the molecular structure throughout the transformation mechanism of the phenolic pollutants using NiO platelet nanocatalysts.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights▸ Fabrication of multidirectional porous NiO nanocrystals with hexagonal platelet-like mosaic catalyst. ▸ Green chemical transformation of phenolic pollutants to safe compounds was performed. ▸ The intrinsic properties of NiO nanoplatelets showed excellent catalytic activity and high reusability.

Keywords
Hexagonal NiO; Aminophenols; Oxidative cyclocondensation; Oxygen; Water treatment
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Multidirectional porous NiO nanoplatelet-like mosaics as catalysts for green chemical transformations
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volumes 123–124, 23 July 2012, Pages 162–173
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us