• 专利标题:   Preparing graphene quantum dots/titanium dioxide/alfa-iron oxyhydroxide three composite photocatalyst, involves taking ferrous sulfate heptahydrate as precursor, taking butyl titanate as substrate to prepare titanium dioxide gel.
  • 专利号:   CN114192145-A, CN114192145-B
  • 发明人:   XIN Y, WANG H, CHEN J, YIN B, YANG G, LI J, CHEN Q
  • 专利权人:   UNIV QINGDAO AGRIC
  • 国际专利分类:   B01J023/745, C02F001/30, C02F101/30, C02F101/38
  • 专利详细信息:   CN114192145-A 18 Mar 2022 B01J-023/745 202269 Chinese
  • 申请详细信息:   CN114192145-A CN11610760 27 Dec 2021
  • 优先权号:   CN11610760

▎ 摘  要

NOVELTY - Preparing graphene quantum dots (GQDs)/titanium dioxide (TiO2)/alpha-iron oxyhydroxide (FeOOH) three composite photocatalyst involves taking ferrous sulfate heptahydrate as precursor to prepare alpha-FeOOH powder, taking butyl titanate as substrate to prepare TiO2 gel, taking glucose as raw material, performing hydrothermal reaction to prepare GQDs powder; dissolving TiO2 gel distilled water, adding GQDs powder, fully stirring and dispersing, adding alpha-FeOOH powder, continuously stirring for 1-3 hours under water bath condition of 40-80degrees Celsius, drying at 60-100degrees Celsius to obtain three composite photocatalyst. USE - Method for preparing GQDs/titanium dioxide/alpha-FeOOH three composite photocatalyst. ADVANTAGE - The method enables to prepare composite photocatalyst, which has synergistic effect which is generated between three materials, where internal local electric field is constructed; and improves photogenerated electron transfer ability and degradation ability of pollutant. DESCRIPTION OF DRAWING(S) - The drawing shows a flow diagram of method for preparing GQDs/TiO2/ alpha -FeOOH three composite photocatalyst. (Drawing includes non-English language text).