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  • 专利标题:   Preparing rGO modified zinc oxide-based sensing material useful in gas detection, preferably e.g. nitrogen dioxide, comprises mixing graphene oxide dispersion with zinc oxide to obtain mixed solution, subjecting mixed solution to hydrothermal reaction, centrifuging and drying.
  • 专利号:   CN114408962-A
  • 发明人:   LIN Z, WU J, CHEN H, FU Z, NING Z, FU J, HUANG X
  • 专利权人:   HAINAN JUNENG TECHNOLOGY INNOVATION RES
  • 国际专利分类:   C01G009/02, G01N027/12
  • 专利详细信息:   CN114408962-A 29 Apr 2022 C01G-009/02 202263 Chinese
  • 申请详细信息:   CN114408962-A CN11593612 23 Dec 2021
  • 优先权号:   CN11593612

▎ 摘　　要

NOVELTY - Preparing rGO modified zinc oxide-based sensing material comprises (a) mixing graphene oxide dispersion with zinc oxide to obtain a mixed solution, (b) subjecting the mixed solution to a hydrothermal reaction to obtain a precipitate, and (c) centrifuging the precipitate, washing, and drying. USE - The rGO-modified zinc oxide-based sensing material is useful in gas detection, preferably nitrogen dioxide, carbon dioxide, methanol, ethanol and methyl ether (claimed). ADVANTAGE - The rGO-modified ZnO material has a response to gas more than 4 times higher, and better gas sensitivity.