Journal
CHEMISTRY OF MATERIALS
Volume 20, Issue 17, Pages 5500-5512Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cm800011j
Keywords
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Funding
- U.S. Department of Energy [DE-AC02-98CH10886]
- National Science Foundation [DMR-0348239]
- Alfred P. Sloan Foundation [2006-2008]
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The current report describes the systematic synthesis of single-crystalline alkali ne-earth-metal tungstate AWO(4) (A = Ca, Sr, Ba) nanorods as well as a series of their crystalline solid-solution analogues Sr1-xCaxWO4 and Ba1-xSrxWO4 (0 < x < 1) with controllable chemical composition and morphology using a modified template-directed methodology under ambient room-temperature conditions. Extensive characterization of the resulting nanorods has been performed using diffraction, X-ray photoelectron spectroscopy, electron microscopy, and optical spectroscopy. The composition-modulated luminescence properties of these alkaline-earth-metal tungstate solid-solution nanorods provide for a fundamental understanding of the intrinsic optical and optoelectronic properties of these systems, suggesting, therefore, the possibility of their rational incorporation into functional nanoscale devices.
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