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Nanoscale cooperative adsorption for materials control

Author

Listed:
  • Rong Ye

    (Cornell University)

  • Ming Zhao

    (Cornell University)

  • Xianwen Mao

    (Cornell University)

  • Zhaohong Wang

    (Cornell University)

  • Diego A. Garzón

    (Cornell University
    Universidad de Los Andes)

  • Heting Pu

    (Cornell University
    University of California, Los Angeles)

  • Zhiheng Zhao

    (Cornell University)

  • Peng Chen

    (Cornell University)

Abstract

Adsorption plays vital roles in many processes including catalysis, sensing, and nanomaterials design. However, quantifying molecular adsorption, especially at the nanoscale, is challenging, hindering the exploration of its utilization on nanomaterials that possess heterogeneity across different length scales. Here we map the adsorption of nonfluorescent small molecule/ion and polymer ligands on gold nanoparticles of various morphologies in situ under ambient solution conditions, in which these ligands are critical for the particles’ physiochemical properties. We differentiate at nanometer resolution their adsorption affinities among different sites on the same nanoparticle and uncover positive/negative adsorption cooperativity, both essential for understanding adsorbate-surface interactions. Considering the surface density of adsorbed ligands, we further discover crossover behaviors of ligand adsorption between different particle facets, leading to a strategy and its implementation in facet-controlled synthesis of colloidal metal nanoparticles by merely tuning the concentration of a single ligand.

Suggested Citation

  • Rong Ye & Ming Zhao & Xianwen Mao & Zhaohong Wang & Diego A. Garzón & Heting Pu & Zhiheng Zhao & Peng Chen, 2021. "Nanoscale cooperative adsorption for materials control," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24590-y
    DOI: 10.1038/s41467-021-24590-y
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    Cited by:

    1. Liang Qiao & Nia Pollard & Ravithree D. Senanayake & Zhi Yang & Minjung Kim & Arzeena S. Ali & Minh Tam Hoang & Nan Yao & Yimo Han & Rigoberto Hernandez & Andre Z. Clayborne & Matthew R. Jones, 2023. "Atomically precise nanoclusters predominantly seed gold nanoparticle syntheses," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Biao Wang & Qingwang Liu & Zhenzhong Fan & Ting Liang & Qilei Tong & Yuanfeng Fu, 2021. "Fabrication of PDMS/GA Composite Materials by Pickering Emulsion Method and Its Application for Oil-Water Separation," Energies, MDPI, vol. 14(17), pages 1-10, August.

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