Determination of Lithium-Ion Distributions in Nanostructured Block Polymer Electrolyte Thin Films by X-ray Photoelectron Spectroscopy Depth Profiling
Author(s)
Gilbert, Jonathan B.; Luo, Ming; Shelton, Cameron K.; Rubner, Michael F.; Cohen, Robert E.; Epps, Thomas H.; ... Show more Show less
Downloadnn505744r.pdf (4.651Mb)
PUBLISHER_POLICY
Publisher Policy
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
Terms of use
Metadata
Show full item recordAbstract
X-ray photoelectron spectroscopy (XPS) depth profiling with C[+ over 60] sputtering was used to resolve the lithium-ion distribution in the nanometer-scale domain structures of block polymer electrolyte thin films. The electrolytes of interest are mixtures of lithium trifluoromethanesulfonate and lamellar-forming polystyrene–poly(oligo(oxyethylene)methacrylate) (PS–POEM) copolymer. XPS depth profiling results showed that the lithium-ion concentration was directly correlated with the POEM concentration. Furthermore, chemical state and atomic composition of the film were analyzed through the deconvolution of the C1s signal, indicating that the lithium ions appear to be uniformly distributed in the POEM domains. Overall, the unique capabilities of C[+ over 60] depth profiling XPS provide a powerful tool for the analysis of nanostructured polymer thin films in applications ranging from energy storage and generation to surface coatings and nanoscale templates.
Date issued
2014-12Department
Massachusetts Institute of Technology. Center for Materials Science and Engineering; Massachusetts Institute of Technology. Department of Chemical Engineering; Massachusetts Institute of Technology. Department of Materials Science and EngineeringJournal
ACS Nano
Publisher
American Chemical Society (ACS)
Citation
Gilbert, Jonathan B., Ming Luo, Cameron K. Shelton, Michael F. Rubner, Robert E. Cohen, and Thomas H. Epps. “Determination of Lithium-Ion Distributions in Nanostructured Block Polymer Electrolyte Thin Films by X-Ray Photoelectron Spectroscopy Depth Profiling.” ACS Nano 9, no. 1 (January 27, 2015): 512–20. © 2014 American Chemical Society
Version: Final published version
ISSN
1936-0851
1936-086X