Abstract
Janus particles have different or asymmetric hemispheres both in structure and chemical properties.These particles have attracted increasing attention because of their unique characteristics and potential in applications as drug carriers,electronic components,and stabilizers for emulsions.Controlled fabrication of organized aggregates using these Janus particles as novel building blocks is becoming well concerned.Several assembly strategies,including bulk,interfacial and environmental modulated organization,have been developed based on the amphiphilic modification and functionality of Janus particles.This review summarizes recent progress on the preparation,modification,and assembly techniques for Janus particles.Some novel methods,including one-step synthesis,self-assembly of polymers,and seed directed growth,are discussed in detail and compared.Trends for designing new functional Janus particles and their potential applications are identified.
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