화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.63, 65-72, July, 2018
DOI10.1016/j.jiec.2018.01.041  Export Citation
Organic.inorganic Z-scheme g-C3N4-NiTi-layered double hydroxide films for photocatalytic applications in a fixed-bed reactor
Davoud Yazdani1, Ali Akbar Zinatizadeh2, and Mohammad Joshaghani1, 3, †
  • 1Institute of Nano Science and Nano Technology, Razi University, Kermanshah 67149, Iran
  • 2Department of Applied Chemistry, Faculty of Chemistry, Razi University, Kermanshah, Iran
  • 3rtment of Inorganic Chemistry, Faculty of Chemistry, Razi University, Kermanshah 67149, Iran
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A novel graphitic carbon nitride g-C3N4-NiTi-layered double hydroxide heterojunction film photo- catalyst (g-C3N4-NiTi-LDH) was prepared by facile hydrothermal synthesis. The g-C3N4 and -C3N4-NiTi-LDH film samples were characterized by AFM, SEM, EDX, PL, XRD and DRS analysis. DRS analysis indicated a significant red shift of absorption edge due to the interfacial coupling effect between g-C3N4 and NiTi- LDH. PL analysis showed an efficient inhibition of electron-hole recombination in the blended g-C3N4- NiTi-LDH. A fixed-bed photoreactor containing conjugated g-C3N4-NiTi-LDH film-coated glass was fabricated and employed to photocatalytic degradation of methyl orange (MO). As a result, the -C3N4-NiTi-LDH film showed greater photocatalytic activity compared with pure samples of g-C3N4 and NiTi-LDH film samples. Maximum MO degradation efficiency (100%) was achieved using g-C3N4-NiTi-LDH films within 240 min.
Keywords:Z-scheme photo-catalyst;Heterojunction;g-C3N4 film;NiTi-layered double hydroxide film;Vis-LED photoreactor
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