The Interaction of Hydrogen with the van der Waals Crystal γ-InSe
Felton, James; Blundo, Elena; Ling, Sanliang; Glover, Joseph; Kudrynskyi, Zakhar R; Makarovsky, Oleg; Kovalyuk, Zakhar D; Besley, Elena; Walker, Gavin; Polimeni, Antonio; Patané, Amalia
Elena Blundo firstname.lastname@example.org.
SANLIANG LING SANLIANG.LING@NOTTINGHAM.AC.UK
Joseph Glover email@example.com.
ZAKHAR KUDRYNSKYI ZAKHAR.KUDRYNSKYI@NOTTINGHAM.AC.UK
OLEG MAKAROVSKIY Oleg.Makarovsky@nottingham.ac.uk
Zakhar D Kovalyuk firstname.lastname@example.org
ELENA BESLEY Elena.Besley@nottingham.ac.uk
Professor of Theoretical Computational Chemistry
GAVIN WALKER email@example.com
The Sir Harry and Lady Djanogly Chair in Sustainable Energy
Antonio Polimeni firstname.lastname@example.org.
AMALIA PATANE email@example.com
Professor of Physics
The emergence of the hydrogen economy requires development in the storage, generation and sensing of hydrogen. The indium selenide (γ-InSe) van der Waals (vdW) crystal shows promise for technologies in all three of these areas. For these applications to be realised, the fundamental interactions of InSe with hydrogen must be understood. Here, we present a comprehensive experimental and theoretical study on the interaction of γ-InSe with hydrogen. It is shown that hydrogenation of γ-InSe by a Kaufman ion source results in a marked quenching of the room temperature photoluminescence signal and a modification of the vibrational modes of γ-InSe, which are modelled by density functional theory simulations. Our experimental and theoretical studies indicate that hydrogen is incorporated into the crystal preferentially in its atomic form. This behaviour is qualitatively different from that observed in other vdW crystals, such as transition metal dichalcogenides, where molecular hydrogen is intercalated in the vdW gaps of the crystal, leading to the formation of "bubbles" for hydrogen storage.
Felton, J., Blundo, E., Ling, S., Glover, J., Kudrynskyi, Z. R., Makarovsky, O., …Patané, A. (2020). The Interaction of Hydrogen with the van der Waals Crystal γ-InSe. Molecules, 25(11), https://doi.org/10.3390/molecules25112526
|Journal Article Type||Article|
|Acceptance Date||May 23, 2020|
|Online Publication Date||May 28, 2020|
|Publication Date||May 28, 2020|
|Deposit Date||May 28, 2020|
|Publicly Available Date||May 29, 2020|
|Peer Reviewed||Peer Reviewed|
|Keywords||indium selenide; intercalation; Kaufman ion source; Raman; photoluminescence; van der Waals crystals; hydrogen|
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