Ionic-like behavior of oppositely charged nanoparticles

Alexander M. Kalsin; Bartlomiej Kowalczyk; Stoyan K. Smoukov; Rafal Klajn; Bartosz A. Grzybowski

doi:10.1021/ja0642966

Ionic-like behavior of oppositely charged nanoparticles

Alexander M. Kalsin, Bartlomiej Kowalczyk, Stoyan K. Smoukov, Rafal Klajn, Bartosz A. Grzybowski

Weizmann Institute of Science, Israel

Research output: Contribution to journal › Article › peer-review

94 Citations (Scopus)

Abstract

Mixtures of oppositely charged nanoparticles of various sizes and charge ratios precipitate only at the point of electroneutrality. This phenomenonspecific to the nanoscale and reminiscent of threshold precipitation of ionsis a consequence of the formation of core-and-shell nanoparticle aggregates, in which the shells are composed of like-charged particles and are stabilized by efficient electrostatic screening.

Original language	English
Pages (from-to)	15046-15047
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	128
Issue number	47
DOIs	https://doi.org/10.1021/ja0642966
Publication status	Published - Nov 29 2006

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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