Graphene oxide(GO) was prepared by using bagasse as base material,and through improved Hummers method.The preparation conditions of GO with bagasse as substrate were optimized by response surface methodology (RSM).The dosage of toner,dosage of potassium permanganate,dosage of concentrated sulfuric acid and ultrasonic time were selected as four variable factors.And the infrared characteristic absorption peak intensity of the prepared GO was taken as the response value.Then,data analysis was carried out using Design-Expert software.The optimum conditions for preparing GO from bagasse were as follows:carbon powder 3.39g,potassium permanganate 4.21g,concentrated sulfuric acid 20.68mL and ultrasonic time 7.75h.The results of scanning electron microscopy and infrared spectroscopy shown that GO prepared under these conditions had obvious lamellar structure,with characteristic peaks at 1500cm-1,2300cm-1,2400cm-1 and 3500cm-1,which were comparable to GO prepared by traditional materials.
Zhang Tingting, Fu Ying, Kong Xiangqing, Shan Fengjun, Yu Changwu, Xue Shaochen
. Optimization design of preparation condition for bagasse based GO by RSM[J]. New Chemical Materials, 2021
, 49(3)
: 269
-273
.
DOI: 10.19817/j.cnki.issn 1006-3536.2021.03.060
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