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Laser-induced fabrication of platinum nanoshells having enhanced catalytic and Raman properties

Paper ID Volume ID Publish Year Pages File Format Full-Text
41772 45899 2011 6 PDF Available
Title
Laser-induced fabrication of platinum nanoshells having enhanced catalytic and Raman properties
Abstract

Platinum nanoclusters topped on silica nanospheres, prepared by a seeded-growth method, have been transformed into platinum nanoshells having uniform shell thickness of 6 nm via irradiation of nanosecond laser pulses. The thickness of platinum nanoshells can be tuned readily by adjusting the concentration of H2PtCl6 for the growth of platinum nanoparticles on silica nanospheres. Compared with Pt nanoclusters-topped silica nanospheres, platinum nanoshells coated on silica nanospheres have been found to catalyze the degradation of rhodamine B very rapidly in the presence of KBH4, and they show highly active surface-enhanced Raman scattering.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (167 K)Download as PowerPoint slideResearch highlights▶ Platinum nanoshells have been fabricated via laser irradiation. ▶ Nanoshell thickness has been tuned. ▶ Platinum nanoshells have high catalytic performances. ▶ Platinum nanoshells show highly active surface-enhanced Raman scattering.

Keywords
Catalysis; Laser irradiation; Nanocomposite; Nanoparticle; SERS; Silica
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Laser-induced fabrication of platinum nanoshells having enhanced catalytic and Raman properties
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 393, Issues 1–2, 15 February 2011, Pages 317–322
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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