Additional file 1.

XRD patterns of LuxErxSb2−2xSe3, TEM, HRTEM images, SAED pattern of Sb2Se3 nanorods, absorption spectra of Lu0.02Yb0.02Sb1.96Se3, Lu0.01Yb0.01Sb1.98Se3, and Lu0.02Er0.02Sb1.96Se3 are provided. Figure S1. Powder X-ray diffraction pattern of LuxErxSb2−xSe3 (x = 0.02). Figure S2. Powder X-ray diffraction pattern of LuxErxSb2−xSe3 (x = 0.04). Figure S3. Powder X-ray diffraction pattern of unknown LuxErxSb2−xSe3 phase. Figure S4. TEM image of Sb2Se3 nanorods. Figure S5. HRTEM image of the Sb2Se3 nanorods. Figure S6. SAED Pattern of the Sb2Se3 nanorods. The SAED zone axis is [1]. Figure S7. Absorption spectra of Lu0.02Yb0.02Sb1.96Se3 nanorods at room temperature. Figure S8. Absorption spectra of Lu0.01Yb0.01Sb1.98Se3 nanorods at room temperature. Figure S9. Absorption spectra of Lu0.02Er0.02Sb1.96Se3 nanoparticles at room temperature. (DOC 3322 kb)

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Hanifehpour et al. Nanoscale Research Letters 2013 8:141   doi:10.1186/1556-276X-8-141