Reversible Janus particle assembly via responsive host–guest interactions

Zhou, Ying; Wang, Dongsheng; Huang, Shilin; Auernhammer, Günter; He, Yujian; Butt, Hans-Jürgen; Wu, Si

Reversible Janus particle assembly via responsive host–guest interactions

2015

Reversible assembly of Janus particles was manipulated by host–guest interaction of β-cyclodextrin (β-CD) and azobenzene. One side of every Janus particle was modified with β-CD. Superstructures of Janus particles were formed by adding azobenzene-containing polymers to the dispersion of Janus particles. The superstructures were reversibly disassembled by adding α-CD or light irradiation.

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