Self-assembled bilayers as an anchoring strategy: Catalysts, chromophores, and chromophore-catalyst assemblies

Lei Wang, Dmitry E. Polyansky, Javier J. Concepcion

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


Anchoring strategies for immobilization of molecular catalysts, chromophores, and chromophorecatalyst assemblies on electrode surfaces play an important role in solar energy conversion devices such as dyesensitized solar cells and dye-sensitized photoelectrosynthesis cells. They are also important in interfacial studies with surface-bound molecules including electron-transfer dynamics and mechanistic studies related to small molecule activation catalysis. Significant progress has been made in this area, but many challenges remain in terms of stability, synthetic complexity, and versatility. We report here a new anchoring strategy based on selfassembled bilayers. This strategy takes advantage of noncovalent interactions between long alkyl chains chemically bound to a metal-oxide electrode surface and long alkyl chains on the molecule being anchored. The new methodology is applicable to the heterogenization of both catalysts and chromophores as well as to the in situ "synthesis" of chromophore-catalyst assemblies on the electrode surface.

Original languageEnglish
Pages (from-to)8020-8027
Number of pages8
JournalJournal of the American Chemical Society
Issue number20
Publication statusPublished - 2020

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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