Journal
ACS NANO
Volume 4, Issue 1, Pages 99-112Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn901057y
Keywords
nanowire; metal oxide; photoluminescence; biocompatibility; cell labeling; template synthesis; crystal splitting; one-dimensional
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Funding
- U.S. Department of Energy [DE-AC02-98CH10886]
- National Science Foundation [DMR-0348239]
- Alfred P. Sloan Foundation
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A simple and effective template-mediated protocol has been developed for the large-scale, roomtemperature preparation of high-aspect-ratio, single-crystalline Tb-doped CePO4 nanowires, measuring similar to 12 nm in diameter and over 10 mu m in length. Moreover, we also isolated sheaf-like bundles of nanostructures. The synthesis mechanism likely involved a crystal splitting step. The resulting nanowires demonstrated an intense redox-sensitive green photoluminescence, which was exploited, in addition to their inherently high biocompatibility and low toxicity, for potential applications in biological imaging and labeling of cells.
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