Shape-Dictated Self-Assembly of Photoresponsive Hybrid Colloids

Haiyang Zhang, Xuan Feng, Xiuyang Xia, Jiao Zhu, Huaguang Wang*, Ran Ni*, Zexin Zhang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The shape-dictated self-assembly of hybrid colloids induced by chemical concentration gradients generated by photocatalytic reactions of the colloids is studied. Different shapes enable the formation of assemblies with distinct lattice structures including hexagons, distorted hexagons, and squares, which are corroborated by computer simulations. Furthermore, assemblies change from lattices to chains when increasing the attraction between the colloids. The results show that photoresponsive hybrid colloids possess a unique capability for shape-dependent self-assembly, offering a practical and versatile approach to manipulate self-assembly at the microscale.

Original languageEnglish
Article number2300383
JournalSmall Methods
Issue number9
Publication statusPublished - 20 Sept 2023
Externally publishedYes


  • colloids
  • photoresponsiveness
  • self-assembly
  • tunable shapes


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