Issue 4, 2019

Electrogenerated chemiluminescence of black phosphorus nanosheets and its application in the detection of H2O2

Abstract

Black phosphorus nanosheets (BPNS) were synthesized from BP crystals through liquid exfoliation coupled with ultrasonic methods under aqueous conditions. The morphology of the synthesized BPNS was characterized by TEM, XPS, AFM, Raman spectroscopy, UV-vis absorption and fluorescence spectroscopy, respectively. The obtained BPNS exhibited a multilayer structure and the lateral length was around 300 nm, and could emit fluorescence at 380 nm. A BPNS modified glassy carbon electrode (BPNS/GCE) was fabricated and a strong anodic electrogenerated chemiluminescence (ECL) signal was obtained at the modified electrode with tripropylamine (TPrA) as a coreactant under neutral conditions. Hydrogen peroxide exhibited an apparent inhibiting effect on the anodic ECL signal, and can be sensitively detected. In the range of 1–1000 nM, the decreased ECL intensities varied linearly with the logarithm of the H2O2 concentration, and the detection limit was calculated as 0.96 nM (3σ). The proposed modified electrode exhibited high sensitivity and good stability. The results revealed a new character of BPNS in ECL investigation, and the potential application of 2D nanocomposites in the ECL sensing field.

Graphical abstract: Electrogenerated chemiluminescence of black phosphorus nanosheets and its application in the detection of H2O2

Article information

Article type
Paper
Submitted
23 сеп 2018
Accepted
26 ное 2018
First published
27 ное 2018

Analyst, 2019,144, 1326-1333

Electrogenerated chemiluminescence of black phosphorus nanosheets and its application in the detection of H2O2

H. Ding, Z. Tang, L. Zhang and Y. Dong, Analyst, 2019, 144, 1326 DOI: 10.1039/C8AN01838C

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements