Hydrothermal Synthesis, Characterization and Catalytic Performance of La 3+ and Sm 3+ -Doped Bi2Mn2O7 Nanocatalysts for Biginelli Reactions

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KHADEMINIA SHAHIN; BEHZAD MAHDI

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Journal Paper

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Journal: JOURNAL OF NANOSTRUCTURES Year:2019 | Volume:9 | Issue:1 Page(s): 172-182

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Title

Hydrothermal Synthesis, Characterization and Catalytic Performance of La 3+ and Sm 3+ -Doped Bi2Mn2O7 Nanocatalysts for Biginelli Reactions

Author(s)

KHADEMINIA SHAHIN | BEHZAD MAHDI | Issue Writer Certificate

Keywords

Biginelli

Hydrothermal

Lanthanum

Nanocatalysts

Pyrochlores

Samarium

Abstract

La 3+ and Sm 3+ -doped Bi2Mn2O7 Nanocatalysts were synthesized in 1 M NaOH aqueous solution, via a stoichiometric 1: 1 Bi: Mn molar ratio Hydrothermal method at 180 ° C for 48 h. Bi(NO3)3, MnO2, La(NO3)3 and Sm2O3 were used as raw materials. The synthesized nanomaterials were characterized by powder X-ray diffraction (PXRD) technique. Both of the La 3+ and Sm 3+ -doped Bi2Mn2O7 nanomaterials were crystallized in a cubic crystal structure with space group. The morphologies of the synthesized materials were studied by field emission scanning electron microscope (FESEM). The optical properties of the as-synthesized nanomaterials were studied by ultraviolet visible (UV-Vis) diffuse reflectance spectra (DRS). It was found that the optical band gaps were increased with dopoing La 3+ and Sm 3+ into Bi2Mn2O7. Catalytic performance of the synthesized nanomaterials were investigated in Biginelli reactions which showed excellent efficiency. Correlation between the catalytic performance with the band gap and hard/soft proportion of the metal ions was shown.

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APA: Copy

KHADEMINIA, SHAHIN, & BEHZAD, MAHDI. (2019). Hydrothermal Synthesis, Characterization and Catalytic Performance of La 3+ and Sm 3+ -Doped Bi2Mn2O7 Nanocatalysts for Biginelli Reactions. JOURNAL OF NANOSTRUCTURES, 9(1), 172-182. SID. https://sid.ir/paper/744897/en

Vancouver: Copy

KHADEMINIA SHAHIN, BEHZAD MAHDI. Hydrothermal Synthesis, Characterization and Catalytic Performance of La 3+ and Sm 3+ -Doped Bi2Mn2O7 Nanocatalysts for Biginelli Reactions. JOURNAL OF NANOSTRUCTURES[Internet]. 2019;9(1):172-182. Available from: https://sid.ir/paper/744897/en

IEEE: Copy

SHAHIN KHADEMINIA, and MAHDI BEHZAD, “Hydrothermal Synthesis, Characterization and Catalytic Performance of La 3+ and Sm 3+ -Doped Bi2Mn2O7 Nanocatalysts for Biginelli Reactions,” JOURNAL OF NANOSTRUCTURES, vol. 9, no. 1, pp. 172–182, 2019, [Online]. Available: https://sid.ir/paper/744897/en

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