Optoelectronically Directed Self-Assembly of Active and Passive Particles into Programmable and Reconfigurable Colloidal Structures
Donggang Cao, Sankha Shuvra Das, Gilad Yossifon · arXiv · 2025
This study explores the controlled assembly of active-passive colloidal mixtures for creating programmable microscale machines.
Plain English summary
Why this matters
Key findings
- Controlled assembly of metallo-dielectric Janus particles and polystyrene beads is achieved.
- Dipolar interactions drive robust particle formation with frequency-dependent stability.
- PS beads act as hubs, enabling higher-order hybrid structures.
- Structural isomers can form different configurations based on assembly sequence.
- A framework for controlled active-passive colloidal assembly is established.
What's new
The study provides a framework for controlled assembly of active-passive colloidal mixtures, highlighting the role of frequency-tunable interactions and structural polymorphism.
Limitations
The abstract does not specify the practical applications or limitations of the proposed assembly methods in real-world scenarios.
Commercial context
The research is in the simulation stage and does not indicate commercial availability.
Publication
- Publisher
- arXiv
- Publication date
- December 23, 2025
- Research type
- Preprint
- arXiv
- 2512.20480
- Access
- open
Tags
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