Nano Research

, Volume 10, Issue 9, pp 2977–2987 | Cite as

Versatile synthesis of yolk/shell hybrid nanocrystals via ion-exchange reactions for novel metal/semiconductor and semiconductor/semiconductor conformations

  • Muwei Ji
  • Xinyuan Li
  • Hongzhi Wang
  • Liu Huang
  • Meng Xu
  • Jia Liu
  • Jiajia Liu
  • Jin Wang
  • Jiatao Zhang
Research Article


Yolk/shell (Y–S) hybrid nanoarchitectures, owing to the interior voids created for individualized catalyst applications, have emerged as new candidates for effectively isolating catalytic species. However, the well-defined hollow interiors with flexible core and shell compositions—such as noble-metal cores, metal-oxide cores, and widespread semiconductor shells—and a flexible anisotropic shape are far from the requirements. In particular, the introduction of catalytic noble metals or metal-oxide nanocrystals (NCs) with isotropic or anisotropic shapes into various hollow semiconductor structures with well-defined morphologies has been rarely reported but is urgently needed. Herein, we propose a strategy involving the careful sulfuration of as-prepared cavity-free core/shell NCs or metal-oxide NCs followed by phosphine-initialized cation-exchange reactions for preparing metal@semiconductor and metal oxide@semiconductor (II-VI) Y–S NCs. The geometry, size, and conformations of the core and shell are fully and independently considered. New and unprecendented metal@semiconductor and metal oxide@semiconductor (II-VI) Y–S NCs are prepared via widespread phosphine-initialized cation-exchange reactions.


anion exchange cation exchange yolk/shell colloidal hybrid nanocrystals metal/semiconductor 


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Versatile synthesis of yolk/shell hybrid nanocrystals via ion-exchange reactions for novel metal/semiconductor and semiconductor/semiconductor conformations


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Copyright information

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Muwei Ji
    • 1
    • 2
  • Xinyuan Li
    • 1
  • Hongzhi Wang
    • 1
  • Liu Huang
    • 1
  • Meng Xu
    • 1
  • Jia Liu
    • 1
  • Jiajia Liu
    • 1
  • Jin Wang
    • 2
  • Jiatao Zhang
    • 1
  1. 1.Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science and EngineeringBeijing Institute of TechnologyBeijingChina
  2. 2.Graduate School at ShenzhenTsinghua UniversityShenzhenChina

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