Immobilised molecular catalysts and the role of the supporting metal substrate

David A. Duncan; Peter S. Deimel; Alissa Wiengarten; Runyuan Han; Robert G. Acres; Willi Auwärter; Peter Feulner; Anthoula C. Papageorgiou; Francesco Allegretti; Johannes V. Barth

doi:10.1039/c5cc01639h

Immobilised molecular catalysts and the role of the supporting metal substrate

David A. Duncan
, Peter S. Deimel
, Alissa Wiengarten
, Runyuan Han
, Robert G. Acres
, Willi Auwärter
, Peter Feulner
, Anthoula C. Papageorgiou
, Francesco Allegretti
, Johannes V. Barth

Technical University of Munich
Strada Statale 143
Australian Synchrotron

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

This work demonstrates that immobilising molecular catalysts on metal substrates can attenuate their reactivity. In particular, the reactivity towards molecular oxygen of both ruthenium tetraphenyl porphyrin (Ru-TPP) and its Ti analogue (Ti-TPP) on Ag(111) was studied as benchmark for the interaction strength of such metal-organic complexes with possible reactants. Here, Ru-TPP proves to be completely unreactive and Ti-TPP strongly reactive towards molecular oxygen; along with comparison to work in the literature, this suggests that studies into immobilised catalysts might find fruition in considering species traditionally seen as too strongly interacting.

Original language	English
Pages (from-to)	9483-9486
Number of pages	4
Journal	Chemical Communications
Volume	51
Issue number	46
DOIs	https://doi.org/10.1039/c5cc01639h
State	Published - 11 Jun 2015

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abstract = "This work demonstrates that immobilising molecular catalysts on metal substrates can attenuate their reactivity. In particular, the reactivity towards molecular oxygen of both ruthenium tetraphenyl porphyrin (Ru-TPP) and its Ti analogue (Ti-TPP) on Ag(111) was studied as benchmark for the interaction strength of such metal-organic complexes with possible reactants. Here, Ru-TPP proves to be completely unreactive and Ti-TPP strongly reactive towards molecular oxygen; along with comparison to work in the literature, this suggests that studies into immobilised catalysts might find fruition in considering species traditionally seen as too strongly interacting.",

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doi = "10.1039/c5cc01639h",

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AU - Duncan, David A.

AU - Deimel, Peter S.

AU - Wiengarten, Alissa

AU - Han, Runyuan

AU - Acres, Robert G.

AU - Auwärter, Willi

AU - Feulner, Peter

AU - Papageorgiou, Anthoula C.

AU - Allegretti, Francesco

AU - Barth, Johannes V.

PY - 2015/6/11

Y1 - 2015/6/11

N2 - This work demonstrates that immobilising molecular catalysts on metal substrates can attenuate their reactivity. In particular, the reactivity towards molecular oxygen of both ruthenium tetraphenyl porphyrin (Ru-TPP) and its Ti analogue (Ti-TPP) on Ag(111) was studied as benchmark for the interaction strength of such metal-organic complexes with possible reactants. Here, Ru-TPP proves to be completely unreactive and Ti-TPP strongly reactive towards molecular oxygen; along with comparison to work in the literature, this suggests that studies into immobilised catalysts might find fruition in considering species traditionally seen as too strongly interacting.

AB - This work demonstrates that immobilising molecular catalysts on metal substrates can attenuate their reactivity. In particular, the reactivity towards molecular oxygen of both ruthenium tetraphenyl porphyrin (Ru-TPP) and its Ti analogue (Ti-TPP) on Ag(111) was studied as benchmark for the interaction strength of such metal-organic complexes with possible reactants. Here, Ru-TPP proves to be completely unreactive and Ti-TPP strongly reactive towards molecular oxygen; along with comparison to work in the literature, this suggests that studies into immobilised catalysts might find fruition in considering species traditionally seen as too strongly interacting.

UR - https://www.scopus.com/pages/publications/84930227100

U2 - 10.1039/c5cc01639h

DO - 10.1039/c5cc01639h

M3 - Article

AN - SCOPUS:84930227100

SN - 1359-7345

VL - 51

SP - 9483

EP - 9486

JO - Chemical Communications

JF - Chemical Communications

IS - 46

ER -

Immobilised molecular catalysts and the role of the supporting metal substrate

Abstract

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