Abstract
The serious white pollution and energy crisis make it important and urgent to develop the degradable materials. The free-standing photodegradable PLA/CS/MoS2 composite films were successfully prepared with the non-solvent induced phase separation method. The morphology, FTIR, Raman, UV–vis, fluorescence and visible light photodegradation rates of the films were investigated. The prepared PLA/CS/MoS2 composite films could effectively absorb visible light, which were accompanied with photoluminescence. The photodegradation rates of the PLA/CS/MoS2 films could be easily tuned by changing MoS2 contents in a controlled way. The weight loss of the PLA/CS/MoS2 films could reach up to ∼22% after the visible light illuminating for 8 days, which were much faster than PLA/CS films. The films develop a new way to design a both photodegradable and biodegradable material, which can be used as excellent biomedical and packaging materials.
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