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Updated: Jan 15, 2026

Ligand-Mediated Nucleation and Growth of Palladium Metal Nanoparticles
Published on: June 25, 2018
A Surface Bonding Model for Predicting Hydrogen Bond-Mediated Nanoparticle Interactions
Lingzhi Li1,2, Zhaochuan Fan1,2
1School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, P. R. China.
None:
Surface ligands leveraging dynamic hydrogen bonding offer promising strategies for nanoparticle assembly, yet mechanistic understanding remains limited. Here, we investigate hydrogen bond dynamics between diaminopyridine (DAP) and thymine (Thy) ligands on Au nanoparticles using molecular dynamics simulations. Results reveal a kinetic lag of hundreds of nanoseconds for hydrogen bond equilibration, with hydrogen bond formation probability and average bonding energies linearly inversely proportional to supramolecular outer surface density. These linear correlations enable the development of a parameter-resolved Surface Bonding Model (SBM) that quantitatively predicts interparticle interaction strengths in solution. SBM facilitates rapid evaluation of interaction landscapes across multivariate parameter spaces and provides key insights into the precise control of nanocomposite assembly.
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