Scalable Platform for Structured and Hybrid Soft Nanocolloids
by Continuous Precipitation in a Confined Environment
Version 2 2017-03-29, 20:44
Version 1 2017-03-29, 20:43
Posted on 2017-03-29 - 20:44
Geometrically structured
polymer nanocolloids, including Janus
nanocolloids, have been widely investigated for their unique properties,
which are derived from their anisotropy. Controlled surface decoration
with inorganic nanoparticles could induce another level of functionality
into structured nanocolloids that could enable applications in fields
ranging from rewriteable electronics to biphasic catalysis. Here,
we demonstrate flash nanoprecipitation (FNP) as a one-step, scalable
process platform for manufacturing hybrid polymer–inorganic
nanocolloids in which one phase is selectively decorated with a metal
nanocatalyst by tuning the molecular interactions between the feed
ingredients during the process. For instance, by modifying the polymer
end-group functionality, we document the ability to tune the location
of the metal nanocatalyst, including placement at the nanocolloid
circumference. Moreover, the addition of molecular additives is shown
to transform the Janus nanocolloid structure from spherical to dumbbell
or snowman while maintaining the ability to control the nanocatalyst
location. In considering the flexibility and continuous nature of
the FNP process, it offers an industrial-scale platform for the manufacturing
of nanomaterials that are anticipated to impact many technologies.
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Lee, Victoria
E.; Sosa, Chris; Liu, Rui; Prud’homme, Robert K.; Priestley, Rodney D. (2017). Scalable Platform for Structured and Hybrid Soft Nanocolloids
by Continuous Precipitation in a Confined Environment. ACS Publications. Collection. https://doi.org/10.1021/acs.langmuir.7b00249
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AUTHORS (5)
VL
Victoria
E. Lee
CS
Chris Sosa
RL
Rui Liu
RP
Robert K. Prud’homme
RP
Rodney D. Priestley