期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 132, 期 6, 页码 1746-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja908848c
关键词
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资金
- Madrid Community Government [CM-S-505/AMB/0374]
- ERDF
- ESF
- Spanish MICINN [CTQ2006-15610-C02-01, TRA2007-30965-E]
- UCM-Santander [GR58-08-910072]
Covalent tethering of a Ru(II) dye to gallium nitride surfaces has been accomplished as a key step in the development of innovative sensing devices in which the indicator support (semiconductor) plays the role of both support and excitation source Luminescence emission decays and time-resolved emission spectra confirm the presence of the dye on the semiconductor surfaces, while X-ray photoelectron spectroscopy proves its covalent bonding. The O-2 sensitivity of the new device is comparable to those of other ruthenium-based sensor systems. This achievement paves the way to a new generation of integrable ultracompact microsensors that combine semiconductor emitter-probe assemblies.
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