01824nas a2200181 4500008004100000022001400041245013600055210006900191260011000260300001600370490000600386520101500392100002701407700003301434700003001467700002201497856012301519 2013 eng d a2046-206900aAminosilicate sol-gel stabilized N-doped TiO2-Au nanocomposite materials and their potential environmental remediation applications0 aAminosilicate solgel stabilized Ndoped TiO2Au nanocomposite mate aTHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLANDbROYAL SOC CHEMISTRYcMAY a13390-133980 v33 a
A facile chemical reduction method to synthesize amine functionalized silicate sol-gel-supported gold-deposited nitrogen-doped Degussa-TiO2 nanocomposite materials (APS/(N-P25-Au)(NCM)) is reported and the materials are characterized by DRS, PL, XRD, TEM, Raman, XPS and BET surface area analysis. The application of the synthesized APS/(N-P25-Au)(N)CM towards environmental remediation processes are investigated by studying the catalytic oxidation of carbon monoxide (CO) and photocatalytic reduction of toxic mercuric (Hg(II)) ions. The catalytic and photocatalytic activity of the prepared catalysts are found to be in the order of APS/(N-P25-Au)(NCM) >> APS/(P25-Au)(NCM) > N-P25 > P25. The enhanced catalytic and photocatalytic activities of the APS/(N-P25-Au)(NCM) can be attributed to the synergistic effect of Au-nps and N-doped P25. The catalytic activities of the APS/(N-P25-Au)(NCM) are very promising in the field of green technology for the environmental cleaning applications.
1 aPandikumar, Alagarsamy1 aSivaranjani, Kumarsrinivasan1 aGopinath, Chinnakonda, S.1 aRamaraj, Ramasamy uhttp://library.ncl.res.in/content/aminosilicate-sol-gel-stabilized-n-doped-tio2-au-nanocomposite-materials-and-their-0