Abstract
Mesoporous distributed Bragg reflectors (MDBRs) exhibit porosity on the sub-wavelength scale. They are promising device components for biological and chemisal sensing as well as for light management in optoelectronic devices. In this chapter a new route for the fabrication of MDBRs is presented which relies on the structure directing properties of the block copolymer poly(isoprene-block-ethylene oxide) in combination with sol-gel chemistry. The interplay between structure directing organic host and coassembled inorganic guest allows the fine tuning of refractive index in the outcome material. Stacking high and low refractive index films in sequential order enables the fast and reliable construction of MDBRs which exhibit a continuous TiO2 network with large accessible pores and high optical quality.
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Guldin, S. (2013). Tunable Mesoporous Bragg Reflectors Based on Block Copolymer Self-Assembly. In: Inorganic Nanoarchitectures by Organic Self-Assembly. Springer Theses. Springer, Heidelberg. https://doi.org/10.1007/978-3-319-00312-2_8
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DOI: https://doi.org/10.1007/978-3-319-00312-2_8
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