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Title: Grafting density effects, optoelectrical properties and nano-patterning of poly(para-phenylene) brushes

Abstract

Well-defined conjugated polymers in confined geometries are challenging to synthesize and characterize, yet they are potentially useful in a broad range of organic optoelectronic devices such as transistors, light emitting diodes, solar cells, sensors, and nanocircuits. We report a systematic study of optoelectrical properties, grafting density effects, and nanopatterning of a model, end-tethered conjugated polymer system. Specifically, poly(para-phenylene) (PPP) brushes of various grafting density are created in situ by aromatizing well-defined, end-tethered poly(1,3-cyclohexadiene) (PCHD) “precursor brushes”. Furthermore, this novel precursor brush approach provides a convenient way to make and systematically control the grafting density of high molecular weight conjugated polymer brushes that would otherwise be insoluble. Finally, this allows us to examine how grafting density impacts the effective conjugation length of the conjugated PPP brushes and to adapt the fabrication method to develop spatially patterned conjugated brush systems, which is important for practical applications of conjugated polymer brushes.

Authors:
 [1];  [1];  [2];  [1];  [1];  [1];  [1];  [3];  [3];  [4];  [4];  [5];  [6];  [7]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Division
  3. Marquette Univ., Milwaukee, WI (United States)
  4. Univ. of Alabama, Tuscaloosa, AL (United States). Dept. of Electrical and Computer Engineering
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Division; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Chemistry
  6. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science and Computer Science and Mathematics Division
  7. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Chemistry and Dept. of Chemical and Biomolecular Engineering
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1098198
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Materials Chemistry. A; Journal Volume: 1; Journal Issue: 43
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Chen, Jihua, Alonzo, Jose, Yu, Xiang, Hong, Kunlun, Messman, Jamie M., Ivanov, Ilia, Lavrik, Nickolay V., Banerjee, Moloy, Rathore, Rajendra, Sun, Zhenzhong, Li, Dawen, Mays, Jimmy W., Sumpter, Bobby G., and Kilbey II, S. Michael. Grafting density effects, optoelectrical properties and nano-patterning of poly(para-phenylene) brushes. United States: N. p., 2013. Web. doi:10.1039/c3ta12745a.
Chen, Jihua, Alonzo, Jose, Yu, Xiang, Hong, Kunlun, Messman, Jamie M., Ivanov, Ilia, Lavrik, Nickolay V., Banerjee, Moloy, Rathore, Rajendra, Sun, Zhenzhong, Li, Dawen, Mays, Jimmy W., Sumpter, Bobby G., & Kilbey II, S. Michael. Grafting density effects, optoelectrical properties and nano-patterning of poly(para-phenylene) brushes. United States. doi:10.1039/c3ta12745a.
Chen, Jihua, Alonzo, Jose, Yu, Xiang, Hong, Kunlun, Messman, Jamie M., Ivanov, Ilia, Lavrik, Nickolay V., Banerjee, Moloy, Rathore, Rajendra, Sun, Zhenzhong, Li, Dawen, Mays, Jimmy W., Sumpter, Bobby G., and Kilbey II, S. Michael. Tue . "Grafting density effects, optoelectrical properties and nano-patterning of poly(para-phenylene) brushes". United States. doi:10.1039/c3ta12745a.
@article{osti_1098198,
title = {Grafting density effects, optoelectrical properties and nano-patterning of poly(para-phenylene) brushes},
author = {Chen, Jihua and Alonzo, Jose and Yu, Xiang and Hong, Kunlun and Messman, Jamie M. and Ivanov, Ilia and Lavrik, Nickolay V. and Banerjee, Moloy and Rathore, Rajendra and Sun, Zhenzhong and Li, Dawen and Mays, Jimmy W. and Sumpter, Bobby G. and Kilbey II, S. Michael},
abstractNote = {Well-defined conjugated polymers in confined geometries are challenging to synthesize and characterize, yet they are potentially useful in a broad range of organic optoelectronic devices such as transistors, light emitting diodes, solar cells, sensors, and nanocircuits. We report a systematic study of optoelectrical properties, grafting density effects, and nanopatterning of a model, end-tethered conjugated polymer system. Specifically, poly(para-phenylene) (PPP) brushes of various grafting density are created in situ by aromatizing well-defined, end-tethered poly(1,3-cyclohexadiene) (PCHD) “precursor brushes”. Furthermore, this novel precursor brush approach provides a convenient way to make and systematically control the grafting density of high molecular weight conjugated polymer brushes that would otherwise be insoluble. Finally, this allows us to examine how grafting density impacts the effective conjugation length of the conjugated PPP brushes and to adapt the fabrication method to develop spatially patterned conjugated brush systems, which is important for practical applications of conjugated polymer brushes.},
doi = {10.1039/c3ta12745a},
journal = {Journal of Materials Chemistry. A},
number = 43,
volume = 1,
place = {United States},
year = {Tue Sep 24 00:00:00 EDT 2013},
month = {Tue Sep 24 00:00:00 EDT 2013}
}