Abstract
In the present study we report the synthesis of Cu2SnS3 (CTS) nanostructures employing a facile, economical, eco-friendly and template-free hydrothermal process. The influence of different sulfur precursor sources on the growth and properties of CTS nanostructures was studied under optimized reaction conditions. Different morphologies including nano-pins, nano-sheets and nano-polygons were obtained by changing the sulfur sources. Surface area analysis showed that the nano-pins are mesoporous with a pore size of 4 nm and a large surface area of 146.58 m2/g. The photocatalytic performance of the CTS nano-pins was investigated against some harmful industrial dyes like Rhodamine B (RhB) and methyl orange (MO) as well as against the mixture of these dyes (RhB + MO). These CTS nano-pins, which were grown using l-cysteine, were found to show excellent photocatalytic activity against both RhB and MO, degrading 92% of the Rhodamine B dye in 180 min. The high photocatalytic degradation of the dyes can be correlated with the large surface area of the nano-pins.
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