Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/88450
| Title: | Au-Pd alloy nanoparticles catalyze the colorimetric detection of hydrazine with methylene blue | Authors: | Liu, W Zheng, GC Wong, WL Wong, KY |
Issue Date: | Sep-2019 | Source: | Inorganic chemistry communications, Sept. 2019, v. 107, 107455, p. 1-6 | Abstract: | A colorimetric detection of hydrazine using Ausingle bondPd alloy nanoparticles (NPs) as catalyst is described, in which methylene blue (methylthioninium chloride) acts as a redox indicator. The sensing system with Ausingle bondPd NPs shows a rapid response at room temperature, leading to a color change within a few minutes, which is not achievable with Au or Pd NPs. A linear change in absorbance versus hydrazine concentration ranging from 0.1 to 5.0 mM can be obtained with a detection limit of ~4 × 10−4 M. The catalytic activity of the Ausingle bondPd NPs in the reaction can be attributed to the electronic inductive effect by Au on Pd in the alloy NPs. | Publisher: | Elsevier | Journal: | Inorganic chemistry communications | ISSN: | 1387-7003 | EISSN: | 1879-0259 | DOI: | 10.1016/j.inoche.2019.107455 | Rights: | © 2019 Elsevier B.V. All rights reserved. © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. The following publication Liu, W., Zheng, G., Wong, W.-L., & Wong, K.-Y. (2019). Au-Pd alloy nanoparticles catalyze the colorimetric detection of hydrazine with methylene blue. Inorganic Chemistry Communications, 107, 107455 is available at https://dx.doi.org/10.1016/j.inoche.2019.107455. |
| Appears in Collections: | Journal/Magazine Article |
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