Journal
RSC ADVANCES
Volume 4, Issue 106, Pages 61327-61332Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra12074d
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Funding
- OSU Start-up funds
- NSF MRI program
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Inorganic semiconductor nanostructures coupled to flexible substrates such as natural and synthetic fibrous materials have been studied for a wide range of potential applications that include wearable electronics, protective textiles, portable and flexible photovoltaic and solar cell devices. Here, we report the fabrication of ZnO/ZnS core-shell nanorod arrays on a cotton platform via a simple, low-temperature hydrothermal growth technique. ZnO nanorods were converted to ZnO/ZnS core-shell nanorod arrays through a mild sulfidation process with sodium sulfide. TEM, XRD, and XPS were used to characterize the nanorods to reveal a highly crystalline ZnO core with a polycrystalline ZnS shell. Photoluminescence measurements demonstrate a remarkably large UV emission for the ZnO/ZnS nanorod arrays on cotton. Such materials are anticipated to be useful for wearable, portable electronic devices and as protective textiles.
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