Hydrogen Spillover in Pt-Single-Walled Carbon Nanotube Composites: Formation of Stable C−H Bonds
Publication type: Journal Article
Publication date: 2011-03-23
scimago Q1
wos Q1
SJR: 5.554
CiteScore: 22.5
Impact factor: 15.6
ISSN: 00027863, 15205126
PubMed ID:
21428292
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
Using in situ electrical conductivity and ex situ X-ray photoelectron spectroscopy (XPS) measurements, we have examined how the hydrogen uptake of single-walled carbon nanotubes (SWNTs) is influenced by the addition of Pt nanoparticles. The conductivity of platinum-sputtered single-walled carbon nanotubes (Pt-SWNTs) during molecular hydrogen exposure decreased more rapidly than that of the corresponding pure SWNTs, which supports a hydrogenation mechanism facilitated by "spillover" of dissociated hydrogen from the Pt nanoparticles. C 1s XPS spectra indicate that the Pt-SWNTs store hydrogen by means of chemisorption, that is, covalent C-H bond formation: molecular hydrogen charging at elevated pressure (8.27 bar) and room temperature yielded Pt-SWNTs with up to 16 ± 1.5 at. % sp(3)-hybridized carbon atoms, which corresponds to a hydrogen-storage capacity of 1.2 wt % (excluding the weight of Pt nanoparticles). Pt-SWNTs prepared by the Langmuir-Blodgett (LB) technique exhibited the highest Pt/SWNT ratio and also the best hydrogen uptake.
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105
Total citations:
105
Citations from 2025:
7
(6.66%)
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Bhowmick R. et al. Hydrogen Spillover in Pt-Single-Walled Carbon Nanotube Composites: Formation of Stable C−H Bonds // Journal of the American Chemical Society. 2011. Vol. 133. No. 14. pp. 5580-5586.
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Bhowmick R., Rajasekaran S., Friebel D., Ogasawara H., Nilsson A. Hydrogen Spillover in Pt-Single-Walled Carbon Nanotube Composites: Formation of Stable C−H Bonds // Journal of the American Chemical Society. 2011. Vol. 133. No. 14. pp. 5580-5586.
Cite this
RIS
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TY - JOUR
DO - 10.1021/ja200403m
UR - https://doi.org/10.1021/ja200403m
TI - Hydrogen Spillover in Pt-Single-Walled Carbon Nanotube Composites: Formation of Stable C−H Bonds
T2 - Journal of the American Chemical Society
AU - Bhowmick, Ranadeep
AU - Rajasekaran, S.
AU - Friebel, Daniel
AU - Ogasawara, Hirohito
AU - Nilsson, Anders
PY - 2011
DA - 2011/03/23
PB - American Chemical Society (ACS)
SP - 5580-5586
IS - 14
VL - 133
PMID - 21428292
SN - 0002-7863
SN - 1520-5126
ER -
Cite this
BibTex (up to 50 authors)
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@article{2011_Bhowmick,
author = {Ranadeep Bhowmick and S. Rajasekaran and Daniel Friebel and Hirohito Ogasawara and Anders Nilsson},
title = {Hydrogen Spillover in Pt-Single-Walled Carbon Nanotube Composites: Formation of Stable C−H Bonds},
journal = {Journal of the American Chemical Society},
year = {2011},
volume = {133},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/ja200403m},
number = {14},
pages = {5580--5586},
doi = {10.1021/ja200403m}
}
Cite this
MLA
Copy
Bhowmick, Ranadeep, et al. “Hydrogen Spillover in Pt-Single-Walled Carbon Nanotube Composites: Formation of Stable C−H Bonds.” Journal of the American Chemical Society, vol. 133, no. 14, Mar. 2011, pp. 5580-5586. https://doi.org/10.1021/ja200403m.