Optimising electrogenerated chemiluminescence of quantum dots via co-reactant selection

Russell, Rebekah and Stewart, Alasdair J. and Dennany, Lynn (2016) Optimising electrogenerated chemiluminescence of quantum dots via co-reactant selection. Analytical and Bioanalytical Chemistry, 408 (25). pp. 7129-7136. ISSN 1618-2642 (https://doi.org/10.1007/s00216-016-9557-1)

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Abstract

We demonstrate that for quantum dot (QD) based electrochemiluminescence (ECL), the commonly used co-reactant does not preform as effectively as potassium persulfate. By exploiting this small change is co-reactant, ECL intensity can be enhanced dramatically in a cathodic based ECL system. However, TPA remains the preferential co-reactant based system for anodic ECL. This phenomenon can be rationalised through the relative energy level profiles of the QD to the co-reactant in conjunction with the applied potential range. This work highlights the importance of understanding the co-reactant pathway for optimising the application of ECL to bioanalytical analysis, in particular for near infrared (NIR) QDs which can be utilised for analysis in blood.

  • Item type:Article
    ID code:56279
    Dates:
    Date
    Event
    1 October 2016
    Published
    25 April 2016
    Published Online
    8 April 2016
    Accepted
    Notes:The final publication is available at Springer via http://dx.doi.org/10.1007/s00216-016-9557-1
    Subjects:Science > Chemistry
    Department:Faculty of Science > Pure and Applied Chemistry
    Depositing user: Pure Administrator
    Date deposited:04 May 2016 13:51
    Last modified:08 Apr 2024 22:57
    URI:https://strathprints.strath.ac.uk/id/eprint/56279
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