B-ZSM-5 molecular sieve was prepared with gas-solid replacement reaction. The parent zeolite, silicalite-Ⅰ was treated by BBr<sub>3</sub> vapour at 550℃. XRD, IR, XPS, and <sup>29</sup>Si MAS...B-ZSM-5 molecular sieve was prepared with gas-solid replacement reaction. The parent zeolite, silicalite-Ⅰ was treated by BBr<sub>3</sub> vapour at 550℃. XRD, IR, XPS, and <sup>29</sup>Si MAS NMR techniques show that boron is introduced into the framework of silicalite-Ⅰzeolite.展开更多
基金Supported by National Natural Science Foundation of China(21502047)Partially Supported by Hubei Provincial Collaborative Innovation Center for Optoelectronics~~
文摘B-ZSM-5 molecular sieve was prepared with gas-solid replacement reaction. The parent zeolite, silicalite-Ⅰ was treated by BBr<sub>3</sub> vapour at 550℃. XRD, IR, XPS, and <sup>29</sup>Si MAS NMR techniques show that boron is introduced into the framework of silicalite-Ⅰzeolite.
