Controllable Preparation of CdTiO3 Nanorods and Their Photocatalytic Properties for Hydrogen Production†

doi:10.7503/cjcu20140103

Abstract

Abstract:

CdTiO₃ nanorods with different length were prepared from titanium glycolate nanorod template, combined with wet impregnation method and further calcination. The samples were characteried by scanning electron microscope(SEM), transmission electron microscope(TEM), wide-angle X-ray diffractometer(XRD), Fourier transform infrared spectrometer(FTIR), thermogravimetric analyser(TG) and ultraviolet-visible spectrometer(UV-Vis). The prepared CdTiO₃ nanorods are uniform with high crystallinity and high purity, and are about 50, 20, 10 μm in length, respectively. After loaded 1%(mass fraction) platinum as co-catalyst, their photocatalytic properties for H₂ production were studied. Compared with CdTiO₃ nanoparticles, the CdTiO₃ nanorods show higher photocatalytic activity. The H₂ producton performance for the longest nanorods is up to 52.9 μmol/h.

Key words: Cadmium titanate(CdTiO3), Nanorods, Photocatalysis, Photocatalytic hydrogen production

CLC Number:

O646

TrendMD:

QU Yang, ZHOU Wei, REN Zhiyu, PAN Kai, JIANG Le, FU Honggang. Controllable Preparation of CdTiO₃ Nanorods and Their Photocatalytic Properties for Hydrogen Production^†[J]. Chem. J. Chinese Universities, 2014, 35(5): 995.

Figures/Tables 7

Fig.1 SEM images(A, B, C), WAXRD patterns(D), FTIR spectra(E) and TG curves(F) of Ti-glycolate nanorods with different length^ (A) Sample S; (B) sample M; (C) sample L; (D—F) a. sample S; b. sample M; c. sample L.

Fig.2 SEM images of different length CdTiO3 nanorods^ (A) CTS; (B) CTM; (C) CTL.

Fig.3 TEM images of CTL with different resolution

Fig.4 TEM images of CTP with different resolution

Fig.5 WAXRD patterns of CTL(a), CTM(b), CTS(c) and CTP(d)

Fig.6 UV-Vis spectra of CTP(a), CTS(b), CTM(c) and CTL(d)

Fig.7 Photocatalytic hydrogen production efficiencies of CTL(a), CTM(b), CTS(c) and CTP(d)

References 15

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Controllable Preparation of CdTiO₃ Nanorods and Their Photocatalytic Properties for Hydrogen Production^†

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