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Synthesis and Characterization of Mixed Methyl/Allyl Monolayers on Si(111)

O’Leary, Leslie E. and Johansson, Erik and Brunschwig, Bruce S. and Lewis, Nathan S. (2010) Synthesis and Characterization of Mixed Methyl/Allyl Monolayers on Si(111). Journal of Physical Chemistry B, 114 (45). pp. 14298-14302. ISSN 1520-6106. http://resolver.caltech.edu/CaltechAUTHORS:20101215-114031395

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Abstract

The formation of mixed methyl/allyl monolayers has been accomplished through a two-step halogenation/alkylation reaction on Si(111) surfaces. The total coverage of alkylated Si, the surface recombination velocities, and the degree of surface oxidation as a function of time have been investigated using X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy, and microwave conductivity measurements. The total coverage of alkyl groups, the rate of oxidation, and the surface recombination velocities of Si(111) terminated by mixed monolayers were found to be close to those observed for CH_3−Si(111) surfaces. Hence, the mixed-monolayer surfaces retained the beneficial properties of CH_3−Si(111) surfaces while allowing for convenient secondary surface functionalization.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/jp911379c DOIArticle
http://pubs.acs.org/doi/full/10.1021/jp911379cPublisherArticle
ORCID:
AuthorORCID
Brunschwig, Bruce S.0000-0002-6135-6727
Lewis, Nathan S.0000-0001-5245-0538
Additional Information:© 2010 American Chemical Society. Received: November 30, 2009; Revised Manuscript Received: July 12, 2010. Publication Date (Web): August 19, 2010. Part of the “Michael R. Wasielewski Festschrift”. This work was supported by the National Science Foundation (CHE-0911682), BP, and the Molecular Materials Research Center of the Beckman Institute at the California Institute of Technology. The authors acknowledge Dr. Kate Plass, Dr. Shannon Boettcher, and Mr. Andrey Poletayev for insightful discussions.
Group:Kavli Nanoscience Institute
Funders:
Funding AgencyGrant Number
NSFCHE-0911682
Caltech Beckman InstituteUNSPECIFIED
BPUNSPECIFIED
Record Number:CaltechAUTHORS:20101215-114031395
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20101215-114031395
Official Citation:Synthesis and Characterization of Mixed Methyl/Allyl Monolayers on Si(111) Leslie E. O’Leary, Erik Johansson, Bruce S. Brunschwig, Nathan S. Lewis The Journal of Physical Chemistry B 2010 114 (45), 14298-14302
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:21380
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:15 Dec 2010 19:49
Last Modified:02 Feb 2017 23:16

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