A hierarchical view on material formation during pulsed-laser synthesis of nanoparticles in liquid

A hierarchical view on material formation during pulsed-laser synthesis of nanoparticles in liquid

Bibliographic Details
Parent link:Scientific Reports
Vol. 5.— 2015.— [16313, 11 p.]
Corporate Author: Национальный исследовательский Томский политехнический университет (ТПУ) Физико-технический институт (ФТИ) Кафедра общей физики (ОФ)
Other Authors: Shyjumon I. Ibrahimkutty, Wagener Ph. Philipp, Santos Rolo T. Tomy dos, Karpov D. A. Dmitriy Andreevich, Menzel A. Andreas, Baumbach T. Tilo, Barcikowsk S. Stephan, Plech A. Anton
Summary:Title screen
Pulsed-laser assisted nanoparticle synthesis in liquids (PLAL) is a versatile tool for nanoparticle synthesis. However, fundamental aspects of structure formation during PLAL are presently poorly understood. We analyse the spatio-temporal kinetics during PLAL by means of fast X-ray radiography (XR) and scanning small-angle X-ray scattering (SAXS), which permits us to probe the process on length scales from nanometers to millimeters with microsecond temporal resolution. We find that the global structural evolution, such as the dynamics of the vapor bubble can be correlated to the locus and evolution of silver nanoparticles. The bubble plays an important role in particle formation, as it confines the primary particles and redeposits them to the substrate. Agglomeration takes place for the confined particles in the second bubble. Additionally, upon the collapse of the second bubble a jet of confined material is ejected perpendicularly to the surface. We hypothesize that these kinetics influence the final particle size distribution and determine the quality of the resulting colloids, such as polydispersity and modality through the interplay between particle cloud compression and particle release into the liquid.
Режим доступа: по договору с организацией-держателем ресурса
Language:English
Published: 2015
Subjects:
электронный ресурс
труды учёных ТПУ
Online Access:http://dx.doi.org/10.1038/srep16313
Format: Electronic Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=645519

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