Organic Synthesis with Different OA/EHA Ratios of Sb2S3 Nanowires of Flower-Like Organization and  Orientation
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We report the first time as-synthesized antimony trisulfide (Sb2S3) nanowires with flower-like organization by using different oleic acid (OA)/2-ethylhexanoic acid (EHA) ratio. The resulting optical band-gap energy is 1.6 eV, and it is independent of the OA/EHA ratios. Sb2S3 nanowires grow predominantly along the  direction, and a significant decrease in unit cell parameters was observed. It seems that the shorter branched hydrocarbon chain leads to the better structural stability of the synthesized Sb2S3 nanowires.