Structures of Cu                          
                        n
                                                 
                        +
                                                  (n = 3-10) Clusters Obtained by Infrared Action Spectroscopy

Olga V. Lushchikova; Douwe M.M. Huitema; Pablo López-Tarifa; Lucas Visscher; Zahra Jamshidi; Joost M. Bakker

doi:10.1021/acs.jpclett.9b00539

Structures of Cu _n ⁺ (n = 3-10) Clusters Obtained by Infrared Action Spectroscopy

Olga V. Lushchikova, Douwe M.M. Huitema, Pablo López-Tarifa, Lucas Visscher, Zahra Jamshidi, Joost M. Bakker^*

^*Corresponding author for this work

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Coinage metal clusters are of great importance for a wide range of scientific fields, ranging from microscopy to catalysis. Despite their clear fundamental and technological importance, the experimental structural determination of copper clusters has attracted little attention. We fill this gap by elucidating the structure of cationic copper clusters through infrared (IR) photodissociation spectroscopy of Cu _n ⁺ -Ar _m complexes. Structures of Cu _n ⁺ (n = 3-10) are unambiguously assigned based on the comparison of experimental IR spectra in the 70-280 cm ^-1 spectral range with spectra calculated using density functional theory. Whereas Cu ₃ ⁺ and Cu ₄ ⁺ are planar, starting from n = 5, Cu _n ⁺ clusters adopt 3D structures. Each successive cluster size is composed of its predecessor with a single atom adsorbed onto the face, giving evidence of a stepwise growth.

Original language	English
Pages (from-to)	2151-2155
Number of pages	5
Journal	Journal of Physical Chemistry Letters
Volume	10
Issue number	9
DOIs	https://doi.org/10.1021/acs.jpclett.9b00539
Publication status	Published - 2 May 2019

Funding

This work is part of the Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO) Materials for Sustainability program, funded under grant no. 739.017.008. We gratefully acknowledge NWO for the support of the FELIX Laboratory and NWO-EW for computational time on the Cartesius computer cluster (grant 16327). Z.J. acknowledges the Holland Research School for Molecular Chemistry for a fellowship.

Funders	Funder number
NWO-EW	16327
Nederlandse Organisatie voor Wetenschappelijk Onderzoek	739.017.008
Holland Research School of Molecular Chemistry

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10.1021/acs.jpclett.9b00539

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6503464

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Cite this

Lushchikova, O. V., Huitema, D. M. M., López-Tarifa, P., Visscher, L., Jamshidi, Z., & Bakker, J. M. (2019). Structures of Cu _n ⁺ (n = 3-10) Clusters Obtained by Infrared Action Spectroscopy. Journal of Physical Chemistry Letters, 10(9), 2151-2155. https://doi.org/10.1021/acs.jpclett.9b00539

Lushchikova, Olga V. ; Huitema, Douwe M.M. ; López-Tarifa, Pablo et al. / Structures of Cu _n ⁺ (n = 3-10) Clusters Obtained by Infrared Action Spectroscopy. In: Journal of Physical Chemistry Letters. 2019 ; Vol. 10, No. 9. pp. 2151-2155.

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abstract = " Coinage metal clusters are of great importance for a wide range of scientific fields, ranging from microscopy to catalysis. Despite their clear fundamental and technological importance, the experimental structural determination of copper clusters has attracted little attention. We fill this gap by elucidating the structure of cationic copper clusters through infrared (IR) photodissociation spectroscopy of Cu n + -Ar m complexes. Structures of Cu n + (n = 3-10) are unambiguously assigned based on the comparison of experimental IR spectra in the 70-280 cm -1 spectral range with spectra calculated using density functional theory. Whereas Cu 3 + and Cu 4 + are planar, starting from n = 5, Cu n + clusters adopt 3D structures. Each successive cluster size is composed of its predecessor with a single atom adsorbed onto the face, giving evidence of a stepwise growth. ",

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Lushchikova, OV, Huitema, DMM, López-Tarifa, P, Visscher, L, Jamshidi, Z & Bakker, JM 2019, 'Structures of Cu _n ⁺ (n = 3-10) Clusters Obtained by Infrared Action Spectroscopy', Journal of Physical Chemistry Letters, vol. 10, no. 9, pp. 2151-2155. https://doi.org/10.1021/acs.jpclett.9b00539

Structures of Cu _n ⁺ (n = 3-10) Clusters Obtained by Infrared Action Spectroscopy. / Lushchikova, Olga V.; Huitema, Douwe M.M.; López-Tarifa, Pablo et al.
In: Journal of Physical Chemistry Letters, Vol. 10, No. 9, 02.05.2019, p. 2151-2155.

Research output: Contribution to Journal › Article › Academic › peer-review

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AU - Lushchikova, Olga V.

AU - Huitema, Douwe M.M.

AU - López-Tarifa, Pablo

AU - Visscher, Lucas

AU - Jamshidi, Zahra

AU - Bakker, Joost M.

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AB - Coinage metal clusters are of great importance for a wide range of scientific fields, ranging from microscopy to catalysis. Despite their clear fundamental and technological importance, the experimental structural determination of copper clusters has attracted little attention. We fill this gap by elucidating the structure of cationic copper clusters through infrared (IR) photodissociation spectroscopy of Cu n + -Ar m complexes. Structures of Cu n + (n = 3-10) are unambiguously assigned based on the comparison of experimental IR spectra in the 70-280 cm -1 spectral range with spectra calculated using density functional theory. Whereas Cu 3 + and Cu 4 + are planar, starting from n = 5, Cu n + clusters adopt 3D structures. Each successive cluster size is composed of its predecessor with a single atom adsorbed onto the face, giving evidence of a stepwise growth.

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Lushchikova OV, Huitema DMM, López-Tarifa P, Visscher L, Jamshidi Z, Bakker JM. Structures of Cu _n ⁺ (n = 3-10) Clusters Obtained by Infrared Action Spectroscopy. Journal of Physical Chemistry Letters. 2019 May 2;10(9):2151-2155. doi: 10.1021/acs.jpclett.9b00539