ArticleAngewandte Chemie (International ed. in English)2022
Peptoid-Directed Formation of Five-Fold Twinned Au Nanostars through Particle Attachment and Facet Stabilization.
Article in Angewandte Chemie (International ed. in English), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 13 citations in OpenAlex.
- Short Peptoid Capping Ligands Stabilize Dispersion of Gold Nanospheres in Aqueous Solutions.Langmuir : the ACS journal of surfaces and colloids · 2026Article
- Anisotropic surface potentials induced by competitive ion adsorption enable the synthesis of branched cubic Pt mesocrystals.Nature communications · 2025Article
- Precision mapping of equilibrium disclination strain in pentagonally twinned nanostructures.Science advances · 2025Article
- Directed Synthesis of Gold Nanoparticle Superstructures Using Self-Assembling Peptoids Containing Metal-Bonding N-Heterocyclic Carbenes.Nano letters · 2025Article
- Opportunities and challenges in modelling ligand adsorption on semiconductor nanocrystals.Communications chemistry · 2025Review
- Uprising Unconventional Nanobiomaterials: Peptoid Nanosheets as a Multi-Modular Platform for Advanced Biological Studies.Small (Weinheim an der Bergstrasse, Germany) · 2025Review
- Silica-Biomacromolecule Interactions: Toward a Mechanistic Understanding of Silicification.Biomacromolecules · 2025Review
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Authors and funding
14 authors at 5 institutions in 3 countries.
Funding
Abstract
While bio-inspired synthesis offers great potential for controlling nucleation and growth of inorganic particles, precisely tuning biomolecule-particle interactions is a long-standing challenge. Herein, we used variations in peptoid sequence to manipulate peptoid-Au interactions, leading to the synthesis of concave five-fold twinned, five-pointed Au nanostars via a process of repeated particle attachment and facet stabilization. Ex situ and liquid-phase TEM observations show that a balance between particle attachment biased to occur near the star points, preferential growth along the [100] direction, and stabilization of (111) facets is critical to forming star-shaped particles. Molecular simulations predict that interaction strengths between peptoids and distinct Au facets differ significantly and thus can alter attachment kinetics and surface energies to form the stars. This work provides new insights into how sequence-defined ligands affect particle growth to regulate crystal morphology.
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Registered trials
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