International journal of biological macromolecules · 2019
Integration of CdS particles into sodium alginate aerogel with enhanced photocatalytic performance.
СтатьяНазвание и аннотация: Перевод в очереди
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Hao Dandan, Shen Quanhao, Liu Ju, Wei Lingfei, Bibi Rehana, Fu Bo, Li Naixu, Zhou Jiancheng
Аннотация
In the present work, CdS nanoparticles were integrated into sodium alginate aerogel matrix through a facile method. The CdS particles were successfully incorporated into the network of sodium alginate and highly distributed. Moreover, the accessibility of pore structures of sodium alginate was well-preserved. The resulting hybrid aerogels demonstrated high photocatalytic ability towards Cr (VI) reduction. SA/CdS-2 (mass ratio SA: CdS = 1:2) exhibited the highest reduction efficiency of Cr (VI), which could reduce the concentration of Cr (VI) to 0 mg/L after 60 min illumination. A probably adsorption-photoreduction mechanism was proposed and discussed in detail. The aerogels had excellent reusability and recyclability, avoiding secondary pollution. This work holds a promise to design and fabrication of CdS particles into three-dimensional aerogel network.