DataVXThe Journal of Physical Chemistry CPaper
journal article·2021-02-25

Bi2S3 Nanowires: First-Principles Phonon Dynamics and Their Photocatalytic Environmental Remediation

T. Anh Thu Do, T. Thai Ha Vu, Giang Truong Ho, Quang Ngan Pham, Hong Thai Giang, Anh Thi Le, Minh Tan Man, Dai Lam Tran

The Journal of Physical Chemistry C· Volume 125· Issue 7
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Source abstract

Abstract

We reported the synthesis and full characterization of ultralong Bi 2 S 3 nanowires with diameters of 60–80 nm and lengths above 1 μm, showing growth in the [001] direction. Combining the computed lattice dynamics of orthorhombic Bi 2 S 3 with the experimental micro-Raman scattering study provided comprehensive solutions. We demonstrate that 10 active modes originated from Raman symmetry modes (4A g + 2B 1g + 3B 2g + 1B 3g ), and the peak at 124 cm –1 is due to the IR-active B 3u mode. The use of the Bi 2 S 3 catalyst for dewatering hexavalent chromium-containing wastewater was also reported. This confirms it to be a potential candidate for photocatalytic environmental remediation.
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Electronic and Structural Properties of Oxides · Advanced Condensed Matter Physics · Chalcogenide Semiconductor Thin Films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam

Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam

Faculty of Natural Sciences, Duy Tan University, Da Nang 550000, Vietnam

Institute of Theoretical and Applied Research, Duy Tan University, Hanoi 100000, Vietnam

Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam

Funding

National Foundation for Science and Technology Development

References (22)

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