Growth of nanostructures with controlled diameter
Abstract
Transition metal-substituted MCM-41 framework structures with a high degree of structural order and a narrow pore diameter distribution were reproducibly synthesized by a hydrothermal method using a surfactant and an anti-foaming agent. The pore size and the mesoporous volume depend linearly on the surfactant chain length. The transition metals, such as cobalt, are incorporated substitutionally and highly dispersed in the silica framework. Single wall carbon nanotubes with a narrow diameter distribution that correlates with the pore diameter of the catalytic framework structure were prepared by a Boudouard reaction. Nanostructures with a specified diameter or cross-sectional area can therefore be predictably prepared by selecting a suitable pore size of the framework structure.
- Inventors:
- Publication Date:
- Research Org.:
- Yale Univ., New Haven, CT (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1176189
- Patent Number(s):
- 7,485,279
- Application Number:
- 10/726,394
- Assignee:
- Yale University (New Haven, CT)
- DOE Contract Number:
- FG02-01ER15183
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2003 Dec 02
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 77 NANOSCIENCE AND NANOTECHNOLOGY; 36 MATERIALS SCIENCE
Citation Formats
Pfefferle, Lisa, Haller, Gary, and Ciuparu, Dragos. Growth of nanostructures with controlled diameter. United States: N. p., 2009.
Web.
Pfefferle, Lisa, Haller, Gary, & Ciuparu, Dragos. Growth of nanostructures with controlled diameter. United States.
Pfefferle, Lisa, Haller, Gary, and Ciuparu, Dragos. 2009.
"Growth of nanostructures with controlled diameter". United States. https://www.osti.gov/servlets/purl/1176189.
@article{osti_1176189,
title = {Growth of nanostructures with controlled diameter},
author = {Pfefferle, Lisa and Haller, Gary and Ciuparu, Dragos},
abstractNote = {Transition metal-substituted MCM-41 framework structures with a high degree of structural order and a narrow pore diameter distribution were reproducibly synthesized by a hydrothermal method using a surfactant and an anti-foaming agent. The pore size and the mesoporous volume depend linearly on the surfactant chain length. The transition metals, such as cobalt, are incorporated substitutionally and highly dispersed in the silica framework. Single wall carbon nanotubes with a narrow diameter distribution that correlates with the pore diameter of the catalytic framework structure were prepared by a Boudouard reaction. Nanostructures with a specified diameter or cross-sectional area can therefore be predictably prepared by selecting a suitable pore size of the framework structure.},
doi = {},
url = {https://www.osti.gov/biblio/1176189},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 03 00:00:00 EST 2009},
month = {Tue Feb 03 00:00:00 EST 2009}
}
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