Tunable Mesoporous Bragg Reflectors Based on Block-Copolymer Self-Assembly

Stefan Guldin, Mathias Kolle, Morgan Stefik, Richard Langford, Dominik Eder, Ulrich Wiesner, Ullrich Steiner

Research output: Contribution to journalArticlepeer-review

90 Scopus citations

Abstract

Mesoporous Bragg reflectors are a promising materials platform for photovoltaics, light emission, and sensing. A fast and versatile fabrication route that relies on the self-assembly of the block copolymer poly(isoprene-b-ethylene oxide) in combination with simple sol-gel chemistry is reported. The method allows extended control over porosity and pore size in the resulting inorganic material and results in high-quality optical elements. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish (US)
Pages (from-to)3664-3668
Number of pages5
JournalAdvanced Materials
Volume23
Issue number32
DOIs
StatePublished - Jul 6 2011
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUS-C1-018-02
Acknowledgements: This work was funded in part by the EPSRC (EP/F056702/1 and EP/F065884/1), the Department of Energy (DE-FG02 87ER45298) through the Cornell Fuel Cell Institute (CFCI), and the National Science Foundation (DMR-0605856). This publication is based on work supported in part by Award No. KUS-C1-018-02, made by King Abdullah University of Science and Technology (KAUST). M.S. was supported by the Cornell Fuel Cell Institute and the Energy Materials Center at Cornell (EMC2), an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number DE-SC0001086. The authors thank Prof. Jeremy Baumberg and Dr. Silvia Vignolini for help with the optical characterization and useful discussions.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

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