Structural insights of mechanochemically amorphised MIL-125-NH2

Emily V. Shaw; Celia Castillo-Blas; Timothy Lambden; Beatriz de Santos; Bethan Turner; Giulio I. Lampronti; Joonatan E. M. Laulainen; Georgina P. Robertson; Ashleigh M. Chester; Chumei Ye; Shaoliang Guan; Joshua K. G. Karlsson; Valentina Martinez; Ivana Brekalo; Bahar Karadeniz; Silvia Cabrera; Lauren N. McHugh; Krunoslav Užarević; Jose Alemán; Alberto Fraile; Rachel C. Evans; Paul A. Midgley; David A. Keen; Xavier Moya; Thomas D. Bennett

doi:10.1039/D4CC06320A

Structural insights of mechanochemically amorphised MIL-125-NH₂†

Emily V. Shaw,

^a Celia Castillo-Blas,

*^a Timothy Lambden,^a Beatriz de Santos,

^b Bethan Turner,

^c Giulio I. Lampronti,

^a Joonatan E. M. Laulainen,^a Georgina P. Robertson,^ad Ashleigh M. Chester,

^a Chumei Ye,^ae Shaoliang Guan,^ae Joshua K. G. Karlsson,^a Valentina Martinez,

^f Ivana Brekalo,

^f Bahar Karadeniz,^f Silvia Cabrera,

^gh Lauren N. McHugh,

^c Krunoslav Užarević,

^f Jose Alemán,

^bh Alberto Fraile,

^bh Rachel C. Evans,

^a Paul A. Midgley,^a David A. Keen,

ⁱ Xavier Moya^a and Thomas D. Bennett*^j

Author affiliations

* Corresponding authors

^a Department of Materials Science & Metallurgy, University of Cambridge, 27 Charles Babbage Road, Cambridge, UK
E-mail: cc2078@cam.ac.uk

^b Organic Chemistry Department, Science Faculty, Universidad Autónoma de Madrid, C/ Francisco Tomás y Valiente, 7, 28049 Madrid, Spain

^c Department of Chemistry, University of Liverpool, Crown Street, Liverpool L69 7ZD, UK

^d Diamond Light Source Ltd., Diamond House, Harwell Campus, Didcot, Oxfordshire, UK

^e Maxwell Centre, Cavendish Laboratory, University of Cambridge, J.J. Thomson Avenue, Cambridge, UK

^f Division of Physical Chemistry, Ruđer Bošković Institute, Zagreb, Croatia

^g Inorganic Chemistry Department, Science Faculty, Universidad Autónoma de Madrid, C/ Francisco Tomás y Valiente, 7, 28049 Madrid, Spain

^h Institute for Advanced Research in Chemical Science (IAdChem), Universidad Autónoma de Madrid, C/ Francisco Tomás y Valiente, 7, 28049 Madrid, Spain

ⁱ ISIS Facility, Rutherford Appleton Laboratory, Harwell Campus, Didcot, Oxfordshire OX11 0QX, UK

^j School of Physical and Chemical Sciences, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand
E-mail: thomas.bennett@canterbury.ac.nz

Abstract

In this work, we investigated the response of the metal–organic framework MIL-125-NH₂ to ball-milling. Both localised and bulk analyses revealed prolongued ball-milling results in a complete loss of long-range structural order. Investigation of this disorder revealed partial retention of the local bonding of the secondary building unit, suggesting structure collapse progressed primarily through metal–linker bond breakage. We explored the photocatalytic performance of the materials, and examined the materials’ band gap using UV-Vis reflectance spectroscopy.

Chemical Communications

Structural insights of mechanochemically amorphised MIL-125-NH₂†

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Structural insights of mechanochemically amorphised MIL-125-NH₂

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