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Journals / Journal of Ongoing Chemical Research / 2019 / Volume: 4 Issue: 1

FORMATION AND CHARACTERIZATION OF ZNS NANOCLUSTERS IN THE PORE CHANNELS OF MORDENITE ZEOLITE

Pirzada Afridi
Ka Ming Leung
Liam France
Vladimir L. Kuznetsov
Peter P. Edwards
Asel Sartbaeva
Pages
—
Publication Date
2019-06-01
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The successful incorporation of Zn2+into the MOR framework is confirmed by 23Na NMR.EDX, BET, and TEM analyses also provide evidences for the formation of ZnS nano-clusters

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Mordenite zeolite was synthesized without organic structure directing agents.
📊
Key Findings & Data:PXRD shows that exchange does not affectthe zeolite framework, a a slight increase in the unit cell parameters from Na-MOR to ZnS-MOR isobserved.
💡
Conclusion & Impact:The successful incorporation of Zn2+into the MOR framework is confirmed by 23Na NMR.EDX, BET, and TEM analyses also provide evidences for the formation of ZnS nano-clusters
🔬Design:Article
📍Scope:Comprehensive Sample
⚙️Variables:Zeolite · Nanoclusters · Ion Exchange

Abstract

Mordenite zeolite was synthesized without organic structure directing agents. We used ion exchangeto create the zinc sulphide nano-clusters inside the zeolite framework. The as-synthesised Na-MORzeolite and exchanged samples Zn-MOR, ZnS-MOR zeolites were characterised by X-ray powderdiffraction XRPD , solid state magic angle spinning nuclear magnetic resonance MAS NMR ,energy-dispersive X-ray EDX elemental analysis, Brunauer-Emmett-Teller BET surface areaanalysis, and transmission electron microscopy TEM . PXRD shows that exchange does not affectthe zeolite framework, a a slight increase in the unit cell parameters from Na-MOR to ZnS-MOR isobserved. The successful incorporation of Zn2+into the MOR framework is confirmed by 23Na NMR.EDX, BET, and TEM analyses also provide evidences for the formation of ZnS nano-clusters

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Cite This Article

Afridi, P., Leung, K. M., France, L., Kuznetsov, V. L., Edwards, P. P., Sartbaeva, A. (2019). FORMATION AND CHARACTERIZATION OF ZNS NANOCLUSTERS IN THE PORE CHANNELS OF MORDENITE ZEOLITE. Journal of Ongoing Chemical Research, Volume: 4 Issue: 1. https://doi.org/10.5281/zenodo.3592241

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  30. Barras J. (1994). 27Al and 29Si solid-state NMR studies of dealuminated mordenite, Journal of the Chemical Society, Faraday Transactions, 90, 3719-3723
  31. Barrer R. (1949). Separations using zeolitic materials, Discussions of the Faraday Society, 7, 135-141
  32. Barrer, RM (1965). Molecular sieves, Berichte der Bunsengesellschaft f ur physikalische Chemie, 69, 786-802
  33. Bellussi G. (2004). Zeolite catalysts for the production of chemical commodities: BTX derivatives, Studies in Surface Science and Catalysis, 154 A, 53-65
  34. Bhatia, Subhash (1989). Zeolite catalysts: principles and applications,, CRC Press
  35. Breck, Donald W (1984). Zeolite molecular sieves: structure, chemistry and use,, Wiley
  36. Chen W. (2000). Luminescence enhancement of ZnS:Mn nanoclusters in zeolite, Journal of Applied Physics, 88, 5188-5193
  37. Cundy, Colin S; Cox, Paul A; (2003). The hydrothermal synthesis of zeolites: history and development from the earliest days to the present time, Chemical reviews, 103, 663-702
  38. Fyfe C. (1983). Magic Angle Spinning NMR (MAS‐NMR) Spectroscopy and the Structure of Zeolites, Angewandte Chemie International Edition in English, 22, 259-275
  39. García M. (2001). Hydrothermal growth of CdS and ZnS nanoparticles in MOR-type zeolites, Materials Science and Engineering C, 15, 101-104
  40. Iacomi F. (2003). Formation of semiconductor clusters in zeolites, Surface Science, 532-535, 816-821
  41. Kim G. (1991). Direct synthesis and characterization of high-SiO2- content mordenites, Zeolites, 11, 745-750
  42. Klinowski, J (1988). Recent advances in solid-state NMR of zeolites, Annual Review of Materials Science, 18, 189-218
  43. Lee K. (2018). Microstructural and optical properties of the ZnS ceramics sintered by vacuum hot-pressing using hydrothermally synthesized ZnS powders, Journal of the European Ceramic Society, 38, 4237-4244
  44. Mac Dougall J. (1989). Synthesis and Characterization of III-V Semiconductor Clusters: GaP in Zeolite Y, Journal of the American Chemical Society, 111, 8006-8007
  45. Nearchou A. (2015). Influence of alkali metal cations on the formation of zeolites under hydrothermal conditions with no organic structure directing agents, CrystEngComm, 17, 2496-2503
  46. Nirmal M. (1996). Fluorescence intermittency in single cadmium selenide nanocrystals, Nature, 383, 802-804
  47. Ogilvie A. (2013). Catalyst-free synthesis of sodium amide nanoparticles encapsulated in silica gel, Chemical Physics, 427, 61-65
  48. Price, Lisa; Leung, Ka Ming; Sartbaeva, Asel (2017). Local and Average Structural Changes in Zeolite A upon Ion Exchange, Magnetochemistry, 3, 42
  49. Raymond O. (2003). Growth and characterization of ZnS and ZnCdS nanoclusters in mordenite zeolite host, Materials Science and Engineering A, 360, 202-206
  50. Sartbaeva A. (2013). Local probes show that framework modification in zeolites occurs on ammonium exchange without calcination, Journal of Materials Chemistry A, 1, 7415-7421
  51. Sartbaeva, Asel; Wells, Stephen A; Treacy, M M J; Thorpe, M F; (2006). The flexibility window in zeolites, Nature materials, 5, 962-5
  52. Seel, A G; Sartbaeva, A; Mayers, J; Ramirez-Cuesta, A J; Edwards, P P; (2011). Neutron Compton scattering investigation of sodium hydride: from bulk material to encapsulated nanoparticulates in amorphous silica gel, The Journal of chemical physics, 134, 114511
  53. Sohrabnezhad S. (2008). Growth and characterization of NiS and NiCoS nanoparticles in mordenite zeolite host, Materials Science and Engineering C, 28, 202-205
  54. Stucky, G D; Mac Dougall, J E; (1990). Quantum confinement and host/guest chemistry: probing a new dimension, Science, 247, 669-78
  55. Yildiztekin, Fatma; Nadeem, Said; Erol, Ebru; Yildiztekin, Mahmut; Tuna, Atilla L; Ozturk, Mehmet; (2016). Antioxidant, anticholinesterase and tyrosinase inhibition activities, and fatty acids of Crocus mathewii - A forgotten endemic angiosperm of Turkey, Pharmaceutical biology, 54, 1557-63
  56. Zendehdel M. (2012). Appraisal of microwave-assisted ion- exchange in mordenite by crystal structure analysis, Journal of Porous Materials, 19, 361-368