X-ray induced formation of metal nanoparticles from interpolyelectrolyte complexes with copper and silver ions: The radiation-chemical contrast

Тип документаJournal Article
Дата публикации2013-04-11
Название журналаRadiation Physics and Chemistry
Издатель
  • Surfaces, Coatings and Films
  • Electronic, Optical and Magnetic Materials
  • Physical and Theoretical Chemistry
  • General Energy
Краткое описание
Tuning the size and spatial distribution of metal nanoparticles is a key issue for obtaining metal–polymer nanocomposites with desirable properties. It was shown that the action of white X-ray radiation (bremsstrahlung, Emax ∼ 30 keV) on swollen films of interpolyelectrolyte complexes with copper and silver ions in an aqueous—alcoholic environment resulted in the formation of a specific type of metal nanostructures characterized by transmission electron microscopy (TEM). The structure pattern was explained by autocatalytic enhancement of the rate of chemical transformations in the vicinity of preformed metal nanoparticles. The effect was attributed to increasing absorption of X-ray photons by compact metal nanoparticles leading to local sensitization described as the radiation-chemical contrast. The nanostructure pattern exhibited a remarkable evolution with increasing irradiation dose. In particular, at a certain stage, the big primary nanoparticles induce formation of “clouds” of ultrasmall secondary pa...
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1. Feldman V.I. и др. X-ray Induced Formation of Metal Nanoparticles from Interpolyelectrolyte Complexes with Copper and Silver Ions: The Radiation-Chemical Contrast // The Journal of Physical Chemistry C. 2013. Т. 117. № 14. С. 7286–7293.
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TY - JOUR

DO - 10.1021/jp3090765

UR - http://dx.doi.org/10.1021/jp3090765

TI - X-ray Induced Formation of Metal Nanoparticles from Interpolyelectrolyte Complexes with Copper and Silver Ions: The Radiation-Chemical Contrast

T2 - The Journal of Physical Chemistry C

AU - Feldman, Vladimir I.

AU - Zezin, Alexey A.

AU - Abramchuk, Sergey S.

AU - Zezina, Elena A.

PY - 2013

DA - 2013/04/01

PB - American Chemical Society (ACS)

SP - 7286-7293

IS - 14

VL - 117

SN - 1932-7447

SN - 1932-7455

ER -

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@article{2013,

doi = {10.1021/jp3090765},

url = {https://doi.org/10.1021%2Fjp3090765},

year = 2013,

month = {apr},

publisher = {American Chemical Society ({ACS})},

volume = {117},

number = {14},

pages = {7286--7293},

author = {Vladimir I. Feldman and Alexey A. Zezin and Sergey S. Abramchuk and Elena A. Zezina},

title = {X-ray Induced Formation of Metal Nanoparticles from Interpolyelectrolyte Complexes with Copper and Silver Ions: The Radiation-Chemical Contrast}

}

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Feldman, Vladimir I. et al. “X-Ray Induced Formation of Metal Nanoparticles from Interpolyelectrolyte Complexes with Copper and Silver Ions: The Radiation-Chemical Contrast.” The Journal of Physical Chemistry C 117.14 (2013): 7286–7293. Crossref. Web.