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- Carson, Fabian, et al.
(författare)
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Effect of the functionalisation route on a Zr-MOF with an Ir-NHC complex for catalysis
- 2015
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Ingår i: Chemical Communications. - : Royal Society of Chemistry (RSC). - 1359-7345 .- 1364-548X. ; 51:54, s. 10864-10867
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Tidskriftsartikel (refereegranskat)abstract
- A new iridium N-heterocyclic carbene (NHC) metallolinker has been synthesised and introduced into a metal-organic framework (MOF), for the first time, via two different routes: direct synthesis and postsynthetic exchange (PSE). The two materials were compared in terms of the Ir loading and distribution using X-ray energy dispersive spectroscopy (EDS), the local Ir structure using X-ray absorption spectroscopy (XAS) and the catalytic activity. The materials showed good activity and recyclability as catalysts for the isomerisation of an allylic alcohol.
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2. |
- Han, Lei, et al.
(författare)
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A novel photochromic calcium based metal organic framework derived from a naphthalene diimide chromophore
- 2013
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Ingår i: Chemical Communications. - : Royal Society of Chemistry (RSC). - 1359-7345 .- 1364-548X. ; 49:4, s. 406-408
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Tidskriftsartikel (refereegranskat)abstract
- A novel 3D calcium-based metal-organic framework based on a naphthalene diimide chromophore has been synthesized which displays a unique doubly interpenetrated 7-connected net with total point symbol of {3(6).4(9).5(6)}. Excellent thermal stability and reversible photochromic properties have been observed in this compound.
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3. |
- Yun, Yifeng, et al.
(författare)
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The first zeolite with a tri-directional extra-large 14-ring pore system derived using a phosphonium-based organic molecule
- 2015
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Ingår i: Chemical Communications. - : Royal Society of Chemistry (RSC). - 1359-7345 .- 1364-548X. ; 51:36, s. 7602-7605
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Tidskriftsartikel (refereegranskat)abstract
- A new germanosilicate zeolite (denoted as ITQ-53) with extra-large pores has been synthesised using tri-tertbutylmethylphosphonium cation as the organic structure directing agent (OSDA). Rotation electron diffraction (RED) was used to identify ITQ-53 from an initially-synthesised sample containing impurities, and to solve its structure. The structure was refined against PXRD data of pure ITQ-53 samples obtained after synthesis optimisation. ITQ-53 is the first example of extra-large pore zeolites with tri-directional interconnected 14 x 14 x 14-ring channels. It is stable up to at least 650 degrees C. The structure of ITQ-53 changes from monoclinic to orthorhombic upon calcination.
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