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Advanced Materials

Novel Fabrication of Size-Tunable Silica Nanotubes Using a Reverse- Microemulsion-Mediated Sol–Gel Method

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  • This work was financially supported by the Brain Korea 21 program of the Korean Ministry of Education, and the Hyperstructured Organic Materials Research Center is supported by the Korea Science and Engineering Foundation.

Abstract

Size-tunable silica nanotubes have been fabricated using a novel reverse-microemulsion-mediated sol–gel method (see Figure). This facile approach is adaptable to large-scale fabrication, and the diameter of silica nanotubes is tunable through the use of different apolar solvents. The photoluminescence spectrum of the nanotubes displays three emission bands, including a stable and strong blue light emission at 435 nm.

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