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A Sb2Se3/Palygorskite Nanocomposite Catalyst for p-Nitrophenol Reduction
Lin Tan,Aidong Tang,Muen He,Xin Wen,Laifu Zhong,Peng Yan,Jing Chenc,Yi Zhang 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2019 NANO Vol.14 No.9
A nanocomposite consisting of rod-like Sb2Se3 and fiberous palygorskite (Pal) was prepared using cetyltrimethyl ammonium bromide (CTAB) as a pillaring agent to change Pal microstructure. CTAB optimal dosage was 0.2 g (versus 0.388 g of Pal). Sb2Se3/Pal has a high catalytic activity towards the catalytic reduction of p-nitrophenol to p-aminophenol while in the presence of NaBH4 at room temperature. The excellent performance is attributed to dispersion of rod-like Sb2Se3 in fiberous Pal which promoted more active sites exposure. The results provide new ideas for preparing new catalysts.