Premium
Ultrasensitive Determination of Cysteine Based on the Photocurrent of Nafion‐Functionalized CdS–MV Quantum Dots on an ITO Electrode
Author(s) -
Long YiTao,
Kong Cong,
Li DaWei,
Li Yang,
Chowdhury Somenath,
Tian He
Publication year - 2011
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201100427
Subject(s) - nafion , quantum dot , photocurrent , electrode , viologen , cysteine , materials science , nanotechnology , selectivity , optoelectronics , chemistry , photochemistry , electrochemistry , organic chemistry , catalysis , enzyme
An ultrasensitive cysteine sensor is prepared by using a Nafion assembly of a CdS quantum dot–methyl viologen complex on a conductive ITO surface. It is effective in the readout of the photoelectrochemical response to cysteine with high sensitivity, good selectivity, and fast response.