Self-Assembly of a Semiconductive and Photoactive Heterobimetallic Metal–Organic Capsule

Xiangquan Hu, Meirong Han, Li Shao, Chen Zhang, Le Zhang, Steven P. Kelley, Chi Zhang, Jian Lin, Scott J. Dalgarno, David A. Atwood, Sisi Feng, Jerry L. Atwood

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


We report the synthesis of a novel metal–organic capsule constructed from six pyrogallol[4]arene macrocycles, which are switched together by 16 FeIII and 16 CoII ions. This supramolecular structure is the first instance of a spheroidal heterometallic nanocage assembled through a one-step metal–ligand coordination approach. This new assembly also demonstrates an important proof of concept through the formation of multiple heterometallic metal–metal interactions within the capsule framework. Photophysical and electrochemical studies of self-assembled capsule films indicate their potential as semiconductors. These materials display unexpected photoelectric conversion properties, thus representing an emergent phenomenon in discrete metal–organic supramolecular assemblies.

Original languageEnglish
Pages (from-to)10516-10520
Number of pages5
JournalAngewandte Chemie - International Edition
Issue number19
StatePublished - May 3 2021

Bibliographical note

Publisher Copyright:
© 2021 Wiley-VCH GmbH


  • coordination cages
  • heterometallic metal–metal interactions
  • molecular magnetism
  • molecule-based semiconductors
  • photoelectric conversion

ASJC Scopus subject areas

  • Catalysis
  • Chemistry (all)


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