Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 12, Issue 32, Pages 9389-9394Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b925619a
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Funding
- Department of Science and Technology (DST), New Delhi
- CSIR, New Delhi
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A new microporous organic-inorganic hybrid organosilica LHMM-2 containing a bis(propyliminomethyl)benzene moiety inside the framework has been synthesized hydrothermally without using any template or structure-directing agent. Powder XRD and TEM image analyses suggest a new disordered microporous structure with pores of dimension ca. 0.54 nm, and C-13 and Si-29 MAS NMR and spectroscopic results indicate the presence of bridging organic bis(propyliminomethyl) benzene moiety in this framework. TPD-NH3 results suggested that nearly 5 times as much bis(propyliminomethyl) benzene moiety is located inside the micropore walls (matrix) than in the surface of the pores. LHMM-2 shows very high adsorption capacity for metal cations like Fe3+, Cu2+ and Zn2+.
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