Title: Differential Sensing of Serine and Tyrosine with Aligned CdS Nanowire Arrays Based on pH-Dependent Photoluminescence Behavior
Authors: Lin, Yi-Feng
Hsu, Yung-Jung
Cheng, Wei-Yun
Lu, Shih-Yuan
Department of Materials Science and Engineering
Keywords: amino acids;CdS;differential sensing;nanostructures;photophysics
Issue Date: 9-Mar-2009
Abstract: The differential sensing of tyrosine and serine is achieved with well-aligned CdS nanowire arrays by exploring the pH-dependent photoluminescence behavior of the nanowire arrays toward exposure to the two amino acid solutions. The contrasting trend in photoluminescence (PL) intensity with respect to variations in analyte concentration observed at pH 11 served as the check point for the present differential sensing. The application format of the nanowire array is better suited for further sensing device assembly than that of nanocrystal suspensions.
URI: http://dx.doi.org/10.1002/cphc.200800663
ISSN: 1439-4235
DOI: 10.1002/cphc.200800663
Volume: 10
Issue: 4
Begin Page: 711
End Page: 714
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