화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Materials Research, Vol.31, No.6, 353-366, June, 2021
DOI10.3740/MRSK.2021.31.6.353  Export Citation
Photocatalytic Generated Oxygen Species Properties by Fullerene Modified Two-Dimensional MoS2 and Degradation of Ammonia Under Visible Light
Cong-Yang Zou, Ze-Da Meng†, Wei Zhao1, and Won-Chun Oh2, †
  • Jiangsu Key Laboratory of Environmental Functional, Suzhou University of Science and Technology,, Suzhou 215009, China
  • 1Dept. of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, P. R. China
  • 2Department of Advanved Materials Science and Engineering, Hanseo University, Seosan-si, Chungnam-do 356-706, Republic of Korea
E-mail:,
In this study, photocatalytic degradation of ammonia in petrochemical wastewater is investigated by solar light photocatalysis. Two-dimensional ultra-thin atomic layer structured MoS2 are synthesized via a simple hydrothermal method. We examine all prepared samples by means of physical techniques, such as SEM-EDX, HRTEM, FT-IR, BET, XRD, XPS, DRS and PL. And, we use fullerene modified MoS2 nanosheets to enhance the activity of photochemically generated oxygen (PGO) species. Surface area and pore volumes of the MoS2-fullerene samples significantly increase due to the existence of MoS2. And, PGO oxidation of MB, TBA and TMST, causing its concentration in aqueous solution to decrease, is confirmed by the results of PL. The generation of reactive oxygen species is detected through the oxidation reaction from 1,5-diphenyl carbazide (DPCI) to 1,5-diphenyl carbazone (DPCO). It is found that the photocurrent density and the PGO effect increase in the case with modified fullerene. The experimental results show that this heterogeneous catalyst has a degradation of 88.43% achieved through visible light irradiation. The product for the degradation of NH3 is identified as N2, but not NO2-or NO3-.
Keywords:fullerene;ammonia;MoS2;XPS;photoluminescence
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