Communication

Incarceration of (PdO)n and Pdn Clusters by Cage-Templated Synthesis of Hollow Silica Nanoparticles†

  1. Kiyotaka Takao1,
  2. Dr. Kosuke Suzuki1,
  3. Tatsuya Ichijo1,
  4. Dr. Sota Sato1,
  5. Hiroyuki Asakura2,
  6. Dr. Kentaro Teramura2,
  7. Dr. Kazuo Kato3,
  8. Dr. Tomonori Ohba4,
  9. Dr. Takeshi Morita5,
  10. Prof. Dr. Makoto Fujita1,*

Article first published online: 27 APR 2012

DOI: 10.1002/anie.201201288

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 51, Issue 24, pages 5893–5896, June 11, 2012

Additional Information

How to Cite

Takao, K., Suzuki, K., Ichijo, T., Sato, S., Asakura, H., Teramura, K., Kato, K., Ohba, T., Morita, T. and Fujita, M. (2012), Incarceration of (PdO)n and Pdn Clusters by Cage-Templated Synthesis of Hollow Silica Nanoparticles. Angew. Chem. Int. Ed., 51: 5893–5896. doi: 10.1002/anie.201201288

Author Information

  1. 1

    Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan)

  2. 2

    Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Kyotodaigaku Katsura, Nishikyo-ku, Kyoto 615-8510 (Japan)

  3. 3

    Japan Synchrotron Radiation Research Institute, 1-1 Kouto, Sayo-cyo, Sayo-gun, Hyogo 679-5198 (Japan)

  4. 4

    Graduate School of Science, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522 (Japan)

  5. 5

    Graduate School of Advanced Integration Science, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522 (Japan)

*Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan)

  1. †

    This research was supported by the JST-CREST project, for which M.F. is the principal investigator, and also in part by KAKENHI and MEXT. Synchrotron XAFS studies were performed at SPring-8, and TEM studies were performed at Chiba University and at the University of Tokyo.

Publication History

  1. Issue published online: 5 JUN 2012
  2. Article first published online: 27 APR 2012
  3. Manuscript Revised: 30 MAR 2012
  4. Manuscript Received: 16 FEB 2012

Funded by

  • KAKENHI
  • MEXT

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Keywords:

  • cage-templated synthesis;
  • hollow silica nanoparticles;
  • nanoclusters;
  • palladium;
  • self-assembly
Thumbnail image of graphical abstract

Imprisoned palladium: A unique approach is developed to incarcerate metal clusters with strictly controlled n values within hollow silica nanoparticles. A Pd12L24 spherical complex is used as a template for the hollow silica synthesis. The incarcerated Pd12L24 core is calcinated to give (PdO)n oxide clusters and subsequently reduced to Pdn metal clusters within the protective hollow silica.

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