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Showing 1–8 of 8 results
Advanced filters: Author: Tiankai Chen Clear advanced filters

  • Diverse methods have been developed to tailor the number of metal atoms in metal nanoclusters, but controlling the number of surface ligands is rare. Here, the authors realize reversible addition and elimination of a single thiolate ligand on a gold nanocluster.

    • Yitao Cao
    • Victor Fung
    • Jianping Xie
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7

  • Etching is one of the key considerations in the synthesis, storage, and application of metal nanoparticles. Here, the authors study the etching of water-soluble thiolate-protected gold nanoclusters at a molecular level and reveal an unusual recombination process in the oxidative reaction environment.

    • Yitao Cao
    • Tongyu Liu
    • Jianping Xie
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-7

  • Perovskite solar cells degrade quickly under natural day/night cycling, compared with continuous illumination, owing to periodic lattice strain during cycling; the lattice strain can be regulated by adding phenylselenenyl chloride.

    • Yunxiu Shen
    • Tiankai Zhang
    • Yongfang Li
    ResearchOpen Access
    Nature
    Volume: 635, P: 882-889

  • Conventional spectroscopic techniques are not sufficiently selective to follow the dynamics of trapped carriers in working perovskite solar cells. Here, authors use infrared optical activation spectroscopy to observe real time evolution of trapped carriers and compare the behaviour of trapped holes.

    • Jiaxin Pan
    • Ziming Chen
    • Artem A. Bakulin
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-10

  • Gold nanoparticles typically exhibit hard-sphere-like assembly behaviour, but now the size, morphology and symmetry of crystals of Au25 nanoparticles have been tuned. The presence of excess tetraethylammonium cations has been shown to promote the one-dimensional assembly of the nanoparticles, which in turn form rod-like crystals, by stabilizing dynamically detached ligands from adjacent particles into interparticle linkers through CH⋯π and ion-pairing interactions.

    • Qiaofeng Yao
    • Lingmei Liu
    • Jianping Xie
    Research
    Nature Chemistry
    Volume: 15, P: 230-239

  • How metal nanoclusters evolve in size is poorly understood, particularly at the atomic level. Here, the authors use mass spectrometry to study the size conversion dynamics between two isoelectronic gold nanoclusters with atomic resolution, revealing that the growth reaction proceeds through a distinct balanced equation.

    • Qiaofeng Yao
    • Victor Fung
    • Jianping Xie
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-11