Yayang WANG, Yifan WANG, Bin ZHANG, Xiaojie YANG, Yuesheng LI. Preparation of poly(N, N-dimethylaminoethyl methacrylate)-TiO2 photocatalyst by radiation grafting and its adsorption and reduction performance for Cr(VI)[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(1): 010203
Journals >Journal of Radiation Research and Radiation Processing >Volume 41 >Issue 1 >Page 010203 > Article
- Journal of Radiation Research and Radiation Processing
- Vol. 41, Issue 1, 010203 (2023)
Fig. 1. Preparation flow chart of TiO2-g-PDMAEMA
Fig. 2. SEM images: (a), (c) TiO2; (b), (d) TiO2-g-PDMAEMA
Fig. 3. (a) Infrared spectrum of TiO2 and TiO2-g-PDMAEMA; (b) XRD patterns of TiO2 and TiO2-g-PDMAEMA; (c) Thermogravimetric analysis of TiO2 and TiO2-g-PDMAEMA prepared by different monomer concentrations
Fig. 4. (a) XPS spectrum of TiO2; (b) XPS spectrum of TiO2-g-PDMAEMA; (c) Ti 2p orbital; (d) O 1s orbital; (e) C 1s orbital; (f) N 1s orbital
Fig. 5. Contact angles of (a) TiO2 and (b)~(e) as-prepared TiO2-PDMAEMA with different monomer concentrations
Fig. 6. (a) Adsorption capacity of TiO2 and TiO2-g-PDMAEMA prepared under different absorbed doses on Cr(VI) in solution; (b) TiO2 and TiO2-g-PDMAEMA prepared under different monomer concentrations on Cr(VI) in solution adsorption capacity
Fig. 7. Adsorption-photocatalytic reduction of Cr(VI) by TiO2 and TiO2-g-PDMAEMA prepared with different monomer concentrations
Fig. 8. Zeta potential curves of TiO2 and TiO2-g-PDMAEMA as a function of pH
Fig. 9. Mechanism diagram of adsorption photocatalytic reduction of Cr(VI)
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