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Formation of self-inhibiting copper(ii) nanoparticles in an autocatalytic Fenton-like reaction

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Formation of self-inhibiting copper(ii) nanoparticles in an autocatalytic Fenton-like reaction. / Naqvi, K.R.; Marsh, J.; Chechik, V.

In: Dalton Transactions, Vol. 43, No. 12, 28.03.2014, p. 4745-4751.

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Naqvi, KR, Marsh, J & Chechik, V 2014, 'Formation of self-inhibiting copper(ii) nanoparticles in an autocatalytic Fenton-like reaction', Dalton Transactions, vol. 43, no. 12, pp. 4745-4751. https://doi.org/10.1039/c3dt53617c

APA

Naqvi, K. R., Marsh, J., & Chechik, V. (2014). Formation of self-inhibiting copper(ii) nanoparticles in an autocatalytic Fenton-like reaction. Dalton Transactions, 43(12), 4745-4751. https://doi.org/10.1039/c3dt53617c

Vancouver

Naqvi KR, Marsh J, Chechik V. Formation of self-inhibiting copper(ii) nanoparticles in an autocatalytic Fenton-like reaction. Dalton Transactions. 2014 Mar 28;43(12):4745-4751. https://doi.org/10.1039/c3dt53617c

Author

Naqvi, K.R. ; Marsh, J. ; Chechik, V. / Formation of self-inhibiting copper(ii) nanoparticles in an autocatalytic Fenton-like reaction. In: Dalton Transactions. 2014 ; Vol. 43, No. 12. pp. 4745-4751.

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@article{b88f494b782a49239419770397444883,
title = "Formation of self-inhibiting copper(ii) nanoparticles in an autocatalytic Fenton-like reaction",
abstract = "Cu(ii)-catalysed decomposition of hydrogen peroxide at alkaline pH in the presence of etidronic acid (HEDP) showed a sigmoid kinetic profile typical of autocatalytic reactions. However, the reaction abruptly stopped well before all hydrogen peroxide had decomposed, and further addition of Cu(ii) and HEDP did not restart the reaction. Results of a mechanistic study suggest that the reaction involves the formation of an active catalyst which decomposes hydrogen peroxide and oxidizes HEDP. Once all HEDP has been consumed, the active complex triggers Cu(ii) aggregation to form remarkably stable but catalytically inactive nanoparticles. The nanoparticles were found to be basic Cu(ii) phosphate/carbonate. They exhibit self-poisoning behaviour in the hydrogen peroxide decomposition and undergo seed-mediated growth upon addition of further Cu(ii).",
author = "K.R. Naqvi and J. Marsh and V. Chechik",
year = "2014",
month = "3",
day = "28",
doi = "10.1039/c3dt53617c",
language = "English",
volume = "43",
pages = "4745--4751",
journal = "Dalton Transactions",
issn = "1477-9234",
publisher = "Royal Society of Chemistry",
number = "12",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Formation of self-inhibiting copper(ii) nanoparticles in an autocatalytic Fenton-like reaction

AU - Naqvi, K.R.

AU - Marsh, J.

AU - Chechik, V.

PY - 2014/3/28

Y1 - 2014/3/28

N2 - Cu(ii)-catalysed decomposition of hydrogen peroxide at alkaline pH in the presence of etidronic acid (HEDP) showed a sigmoid kinetic profile typical of autocatalytic reactions. However, the reaction abruptly stopped well before all hydrogen peroxide had decomposed, and further addition of Cu(ii) and HEDP did not restart the reaction. Results of a mechanistic study suggest that the reaction involves the formation of an active catalyst which decomposes hydrogen peroxide and oxidizes HEDP. Once all HEDP has been consumed, the active complex triggers Cu(ii) aggregation to form remarkably stable but catalytically inactive nanoparticles. The nanoparticles were found to be basic Cu(ii) phosphate/carbonate. They exhibit self-poisoning behaviour in the hydrogen peroxide decomposition and undergo seed-mediated growth upon addition of further Cu(ii).

AB - Cu(ii)-catalysed decomposition of hydrogen peroxide at alkaline pH in the presence of etidronic acid (HEDP) showed a sigmoid kinetic profile typical of autocatalytic reactions. However, the reaction abruptly stopped well before all hydrogen peroxide had decomposed, and further addition of Cu(ii) and HEDP did not restart the reaction. Results of a mechanistic study suggest that the reaction involves the formation of an active catalyst which decomposes hydrogen peroxide and oxidizes HEDP. Once all HEDP has been consumed, the active complex triggers Cu(ii) aggregation to form remarkably stable but catalytically inactive nanoparticles. The nanoparticles were found to be basic Cu(ii) phosphate/carbonate. They exhibit self-poisoning behaviour in the hydrogen peroxide decomposition and undergo seed-mediated growth upon addition of further Cu(ii).

UR - http://www.scopus.com/inward/record.url?scp=84894810199&partnerID=8YFLogxK

U2 - 10.1039/c3dt53617c

DO - 10.1039/c3dt53617c

M3 - Article

VL - 43

SP - 4745

EP - 4751

JO - Dalton Transactions

JF - Dalton Transactions

SN - 1477-9234

IS - 12

ER -