Emergence of complexity in hierarchically organized chiral particles
Abstract
Synthetic colloids are usually smooth, but nature can produce micrometer-scale particles with intricate structure and shape, such as the coccoliths produced by algae. Jiang et al. controlled the self-assembly of gold–cysteine nanoplatelets into a variety of chiral, hierarchically organized colloidal particles by changing the chiral fraction of cysteine and the nucleation temperature. Organic cations created electrostatic repulsions that favored edge assembly of the nanoplatelets, which in turn could create surfaces bearing twisted spikes.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- May 08, 2020
- Source ID
- 10.1126/science.aaz7949
Entities
People
- Alex Simon
- André F de Moura
- Asdrubal Lozada-Blanco
- Christopher B Murray
- Drew Vecchio
- Emanuele Marino
- Felippe Mariano Colombari
- Joong Hwan Bahng
- Kalil Bernardino
- Michael Veksler
- Nicholas A. Kotov
- Prashant Kumar
- Sérgio R. Muniz
- Wenfeng Jiang
- Weverson R Gomes
- Yu Ma
- Yuefei Wang
- Zhi-bei Qu
Organizations
- Brazilian Nanotechnology National Laboratory
- California Institute of Technology
- Lanzhou University
- National Science Foundation
- Shanghai Jiao Tong University
- São Paulo Research Foundation
- Tianjin University
- Universidade Federal de São Carlos
- University of Michigan
- University of Pennsylvania
- University of São Paulo