Structure determination of low-alkali-content Na2S+B2S3 glasses using neutron and synchrotron X-ray diffraction

Yao, Wenlong; Martin, Steve W.; Petkov, Valeri

doi:10.1016/j.jnoncrysol.2005.05.003

Cited by 8 publications

(3 citation statements)

References 27 publications

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“…In particular, boron trisulfide (B 2 S 3 ), has attracted attention due to its unique geometry and exotic electronic properties. Bulk B 2 S 3 is famous for the preparation of high-tech glasses [28][29][30] and organosulfur compounds [31,32]. It exhibits a layered structure and the layers are connected to each other through van der Waals interactions.…”

Section: Introductionmentioning

confidence: 99%

Novel 2D B₂S₃ as a metal-free photocatalyst for water splitting

Cui

Zhao

et al. 2021

Nanotechnology

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Metal-free semiconductors with desirable characteristics have recently gained great attention in the field of hydrogen generation. The non-metal material B2S3 has two phases, hexagonal B2S3 (h-B2S3) and orthorhombic B2S3 (o-B2S3), which compose a novel class of 2D materials. Both h-B2S3 and o-B2S3 monolayers are direct semiconductors with bandgaps of 2.89 and 3.77 eV by the Heyd-Scuserria-Ernzerhof (HSE) function, respectively. Under appropriate uniaxial strain (1%), the bandgap of h-B2S3 can be decreased to 2.8 eV. The carrier mobility can reach 1160 cm2 V−1 s−1, supporting the fast migration of photo-induced carriers. Most importantly, the band edges of both h-B2S3 and o-B2S3 cover the reduction and oxidation levels for water splitting. We explore the process of photocatalytic water splitting on h-B2S3 monolayers by analyzing the feasibility of the decomposition of H2O and the generation of H2. The results indicate that the special mesoporous structure of B2S3 is helpful for photocatalytic hydrogen production. The new nanomaterial, B2S3, offers great promise as a metal-free photocatalyst due to its tunable bandgaps, its useful band edges, and its other excellent electronic properties.

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Section: Introductionmentioning

confidence: 99%

Novel 2D B₂S₃ as a metal-free photocatalyst for water splitting

Cui

Zhao

et al. 2021

Nanotechnology

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“…In this work, we propose a new two-dimensional material, B 2 S 3 , which can be obtained from the layered bulk B 2 S 3 crystal. Bulk B 2 S 3 has attracted tremendous interest due to its usage in high-tech glasses [30][31][32] and the preparation of organosulfur compounds. 33,34 The structure and electronic properties of 2D B 2 S 3 are studied using first principle calculations.…”

Section: Introductionmentioning

confidence: 99%

A novel two-dimensional material B₂S₃and its structural implication to new carbon and boron nitride allotropes

2015

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“…Furthermore, if one of the X atoms in the B 2 X 2 unit is replaced by a X 2 dimer, the B 2 O 3 -c chain is obtained, which is essentially 1D-linked pentagonal rings, (B 2 X 3 )X 2/2 , whose existence is supported by X-ray data for the case of X = S, Se. Four-membered B 2 X 2 units have been identified, however, in the layered crystalline B 2 S 3 material, − denoted here as a B 2 O 3 -r prototype in Figure c. This pattern is built by zigzag-like chains of B 3 X 3 rings cross-linked by the rhombic linkers comprising the four-membered B 2 X 2 rings.…”

Section: Resultsmentioning

confidence: 99%

Stable Low-Dimensional Boron Chalcogenides from Planar Structural Motifs

et al. 2021

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There has been growing interest in searching for new low-dimensional (low-D) materials for nanoelectronics and energy applications. Most materials have their structural units extended in three dimensions and connected with chemical bonds. When the dimension is reduced, these bonds will be broken, decreasing the stability and making their experimental realization difficult. Here, we show that stable low-D materials can be made from naturally existing planar structural units. This is demonstrated by first-principles study of boron chalcogenides (B–X), which can have various low-D structures with attractive properties. For example, B2O3 can be the thinnest proton-exchange membrane for fuel cells. B–X are wide-gap semiconductors that can complement the narrow-gap 2D metal dichalcogenides for (opto)electronics. Our work sheds light on the stability of low-D materials and suggests guidelines for rational design of new materials.

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Structure determination of low-alkali-content Na2S+B2S3 glasses using neutron and synchrotron X-ray diffraction

Cited by 8 publications

References 27 publications

Novel 2D B₂S₃ as a metal-free photocatalyst for water splitting

Novel 2D B₂S₃ as a metal-free photocatalyst for water splitting

A novel two-dimensional material B₂S₃and its structural implication to new carbon and boron nitride allotropes

Stable Low-Dimensional Boron Chalcogenides from Planar Structural Motifs

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Structure determination of low-alkali-content Na2S+B2S3 glasses using neutron and synchrotron X-ray diffraction

Cited by 8 publications

References 27 publications

Novel 2D B2S3 as a metal-free photocatalyst for water splitting

Novel 2D B2S3 as a metal-free photocatalyst for water splitting

A novel two-dimensional material B2S3and its structural implication to new carbon and boron nitride allotropes

Stable Low-Dimensional Boron Chalcogenides from Planar Structural Motifs

Contact Info

Product

Resources

About

Novel 2D B₂S₃ as a metal-free photocatalyst for water splitting

Novel 2D B₂S₃ as a metal-free photocatalyst for water splitting

A novel two-dimensional material B₂S₃and its structural implication to new carbon and boron nitride allotropes