Issue 11, 2019

Nanoassemblies of ultrasmall clusters with remarkable activity in carbon dioxide conversion into C1 fuels

Abstract

Cu nanoassemblies formed transiently during reaction from size-selected subnanometer Cu4 clusters supported on amorphous OH-terminated alumina convert CO2 into methanol and hydrocarbons under near-atmospheric pressure at rates considerably higher than those of individually standing Cu4 clusters. An in situ characterization reveals that the clusters self-assemble into 2D nanoassemblies at higher temperatures which then disintegrate upon cooling down to room temperature. DFT calculations postulate a formation mechanism of these nanoassemblies by hydrogen-bond bridges between the clusters and H2O molecules, which keep the building blocks together while preventing their coalescence.

Graphical abstract: Nanoassemblies of ultrasmall clusters with remarkable activity in carbon dioxide conversion into C1 fuels

Supplementary files

Article information

Article type
Communication
Submitted
17 Aug 2018
Accepted
08 Dec 2018
First published
20 Feb 2019
This article is Open Access
Creative Commons BY-NC license

Nanoscale, 2019,11, 4683-4687

Nanoassemblies of ultrasmall clusters with remarkable activity in carbon dioxide conversion into C1 fuels

A. Halder, J. Kioseoglou, B. Yang, K. L. Kolipaka, S. Seifert, J. Ilavsky, M. Pellin, M. Sowwan, P. Grammatikopoulos and S. Vajda, Nanoscale, 2019, 11, 4683 DOI: 10.1039/C8NR06664G

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