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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제20권 제6호
- 발행연도
- 2019.1
- 수록면
- 522 - 529 (8page)
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초록· 키워드
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Monoclinic bismuth vanadate (m-BiVO4 ) has attracted many researchers as an advanced photocatalyst for hydrogen production via water splitting and degradation of organic contaminants. In this study, pure m-BiVO4 nanoparticles were fabricated by an easy reproducible solid state route at different temperatures (500 °C, 550 °C, 600 °C, 650 °C and 700 °C) for 2 h. The synthesized materials were characterized by X-ray Diff ractometer where all the diff raction patterns reveal characteristic peaks corresponding to m-BiVO 4 with space group C2/c. Obtained m-BiVO4 particles have the lattice parameters: a = 7.2477 Å, b = 11.6970 Å, c = 5.0900 Å and the volume of the unit cell is 309.23 (106 pm 3 ). Fourier Transform Infrared spectroscopy exhibits formation of Bi–O bond in the prepared nano powders. Ultraviolet–Visible diff use refl ectance spectroscopy suggests that nanostructured BiVO4 particles possess strong energy absorption properties both in visible and ultraviolet region. The particles show red shift of band gap as the calcination temperature rises and possible reasons have been discussed. Energydispersive X-ray spectroscopy confi rms presence of Bi, V, and O without any contaminant, while particle’s morphology was investigated using Field Emission Scanning Electron Microscope.
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참고문헌 (60)
참고문헌 신청
D. W. Chen / 1999 / Appl. Catal. B : Environ 23:143~157
H. Zhou / 2002 / J. Environ. Eng. Sci 1:247~264
V. Rajalingam / 2014 / Synthesis and characterization of BiVO 4 nanostructured materials: application to photocatalysis
F. M. Toma / 2016 / Nat. Commun 7:12012
K. Ordon / 2018 / Functionalized semiconducting oxides based on bismuth vanadate with anchored organic dye molecules for photoactive applications
H. Zhou / 2002 / J. Environ. Eng. Sci 1:247~264
V. Rajalingam / 2014 / Synthesis and characterization of BiVO 4 nanostructured materials: application to photocatalysis
F. M. Toma / 2016 / Nat. Commun 7:12012
K. Ordon / 2018 / Functionalized semiconducting oxides based on bismuth vanadate with anchored organic dye molecules for photoactive applications
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