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The Effect of KOH Activation in Synthesis and Characterization of Zeolitic Imidazolate Frameworks-8 (ZIF-8) Templated Mesoporous Carbon
Abstract:
ZIF - 8 material has been successfully synthesized through a reaction between zinc nitrate hexahydrate with 2 - metilimidazol in the dimethylformamide solvent in solvotermal condition. Synthesis process is carried out at 120oC for 24 hours . The results show that the characterization by XRD diffractogram synthesized ZIF - 8 has a characteristic peak at 2θ = 7.4o; 12.7o; 16.5o and 18.0o corresponding to the characteristic peaks of ZIF - 8 standard . The results of ZIF - 8 templated carbon show the XRD pattern of amorphous carbon material, while the carbon activated KOH show peak K2CO3 at 2θ = 31.6o. FTIR spectra of synthesized ZIF - 8 has a absorption peak at 420; 760 ; 990 ; 1147 and 1585 cm-1 which is the characteristic absorption peak of ZIF-8 solids. Then ZIF - 8 characteristic peaks disappear after activated with KOH. Morphology of the ZIF-8 has plumage regular rectangular in shape , and morphology of the resulting carbon particles are also the same rectangular shape with ZIF-8 template.
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78-83
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Online since:
August 2015
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© 2015 Trans Tech Publications Ltd. All Rights Reserved
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