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  Home > JCE Print > Journal of Chemical Education > Issues > 2002  > February  >
In the Laboratory
Chemical Analysis Using Scanning Force Microscopy. An Undergraduate Laboratory Experiment
Mathew M. Maye, Jin Luo, Li Han, and Chuan-Jian Zhong
Department of Chemistry, SUNY at Binghamton, Binghamton, NY 13902-6016
Cover
February 2002
Vol. 79 No. 2
p. 207
Abstract
This undergraduate laboratory experiment uses scanning force microscopy to perform chemical analysis at chemically designed surfaces. It involves lateral force measurements at self-assembled monolayers to provide chemical mapping capability. Monolayer patterns with different functional groups were prepared on gold substrates using a micro-contact printing method. The simplicity of the sample preparation and the relative ease of the microscope operation allowed students to gain hands-on experience in molecular assembling, image acquisition, and data interpretation. The images were analyzed and discussed in terms of tip-sample interaction forces and surface chemical composition of the patterned monolayers. This experiment helps students to grasp analytical concepts based on chemical interactions at atomic and molecular levels.
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Further details of SFM instrumentation, principles, and procedures are available.
*  Contents JCE2002p0207W.doc (Microsoft Word)
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*  Citation
 Maye, Mathew M.; Luo, Jin; Han, Li; Zhong, Chuan-Jian. J. Chem. Educ. 2002 79 207.
*  Keywords
 Analytical Chemistry; Instrumental Methods; Laboratory Equipment / Apparatus; Nanotechnology; Surface Science; Undergraduate Research
*  History
 Created:
Last Updated:		 January 2, 2002
March 16, 2005
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