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. 2022 Jun 24;15(13):4442. doi: 10.3390/ma15134442

Figure 2.

Figure 2

The three main mechanisms of Janus particle fabrication, illustrated with selected examples. (a) Masking: electron beam evaporation or sputtering can be used to deposit material on surface-attached spheres. (b) Phase separation: phase boundaries (here, water–wax interface) can be used to direct assembly. (c) Self-assembly: For example, copolymers can be selectively cross-linked and then disassembled to yield Janus spheres. (a) reproduced from Ref. [45]. Copyright 2017 American Chemical Society. (b) reproduced from Ref. [46]. Copyright 2009 Elsevier. (c) reproduced from Ref. [47]. Copyright 2015 American Chemical Society.