Figure 4.

XRD patterns of pristine TiO2 NRs and Sn/TiO2 NRs synthesized with different precursor molar ratio. The reference spectra (JCPDS No. 21–1276 and No. 46–1088) were plotted for comparison.

Sun et al. Nanoscale Research Letters 2013 8:462   doi:10.1186/1556-276X-8-462
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