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Title: Electrochemical Applications of Microphase-Separated Block Copolymer Thin Films

Journal Article · · ChemElectroChem
ORCiD logo [1];  [2]
  1. Kansas State Univ., Manhattan, KS (United States). Department of Chemistry; Kansas State University
  2. Kansas State Univ., Manhattan, KS (United States). Department of Chemistry

In this work, we discuss electrochemical applications of electrode-supported thin films derived from microphase-separated block copolymers (BCPs). In contrast to conventional homopolymers used for electrode modification, BCPs afford periodic nanoscale structures (microdomains) of uniform dimensions (5-100 nm) and predictable morphologies, which can be controlled by adjusting the lengths of individual homopolymer segments. BCPs usable for electrochemical applications consist of two or more segments that form solute-permeable, redox-active or etchable microdomains and a chemically inert matrix. The resulting microdomains afford nanoscale molecular/charge transport pathways toward the underlying electrode, whereas the matrix serves as a scaffold to improve film stability in a solution. In conclusion, these polymeric thin films provide a unique means for fabricating nanowire arrays via template-based electrochemical synthesis, designing electrochemical sensors with unique selectivity, and constructing electrochemically-tunable functional materials.

Research Organization:
Kansas State Univ., Manhattan, KS (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Chemical Sciences, Geosciences & Biosciences Division
Grant/Contract Number:
SC0002362
OSTI ID:
1478305
Alternate ID(s):
OSTI ID: 1461705
Journal Information:
ChemElectroChem, Journal Name: ChemElectroChem Journal Issue: 20 Vol. 5; ISSN 2196-0216
Publisher:
ChemPubSoc EuropeCopyright Statement
Country of Publication:
United States
Language:
English

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Non‐Native Block Copolymer Thin Film Nanostructures Derived from Iterative Self‐Assembly Processes journal December 2019
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Electrochemical Manipulation of Aligned Block Copolymer Templates journal November 2019
Nanoscale Block Copolymer Self‐Assembly and Microscale Polymer Film Dewetting: Progress in Understanding the Role of Interfacial Energies in the Formation of Hierarchical Nanostructures journal December 2019