Syntheses, Structures and Characterizations of Two New Polyborates Containing Heptaborate Sub-clusters

Wen Fang Liu; Zhao Min Su; Zhiyu Jia; Guo Yu Yang

doi:10.1007/s10876-019-01577-w

Syntheses, Structures and Characterizations of Two New Polyborates Containing Heptaborate Sub-clusters

Wen Fang Liu, Zhao Min Su, Zhiyu Jia^*, Guo Yu Yang

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Two new polyborates [(CH₃NH₃)₄][B₁₄O₂₀(OH)₆] (1) and [Zn(en)₂{B₇O₁₀(OH)₃}] (2, en = ethylenediamine), which are constructed by different types of B₇ clusters, had been synthesized under solvothermal conditions by utilizing different directing agents. Compound 1, which was directed by methylamine, has an isolated [B₁₄O₂₀(OH)₆]⁴⁻ anionic cluster constructed by [B₇O₁₀(OH)₃]²⁻ (B₇-I) cluster, and then the [B₁₄O₂₀(OH)₆]⁴⁻ clusters are further linked to a 3D supramolecular framework through hydrogen bonds. Compound 2 is a coordination polymer and has a 2D layer structure constructed by [B₇O₁₀(OH)₃]²⁻ (B₇-II) clusters through a four-connected mode. The 2D oxo-boron layered structures are further linked to 3D B–O–Zn network by Zn–O bonds. The band gaps of compounds 1 and 2 indicated that they could have potential applications as semiconductor and deep-UV materials, respectively.

Original language	English
Pages (from-to)	1139-1144
Number of pages	6
Journal	Journal of Cluster Science
Volume	30
Issue number	4
DOIs	https://doi.org/10.1007/s10876-019-01577-w
Publication status	Published - 15 Jul 2019

Keywords

Borate
Boron
Cluster
Solvothermal synthesis
Structure directing agents

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10.1007/s10876-019-01577-w

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Liu, W. F., Su, Z. M., Jia, Z., & Yang, G. Y. (2019). Syntheses, Structures and Characterizations of Two New Polyborates Containing Heptaborate Sub-clusters. Journal of Cluster Science, 30(4), 1139-1144. https://doi.org/10.1007/s10876-019-01577-w

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title = "Syntheses, Structures and Characterizations of Two New Polyborates Containing Heptaborate Sub-clusters",

abstract = "Two new polyborates [(CH3NH3)4][B14O20(OH)6] (1) and [Zn(en)2{B7O10(OH)3}] (2, en = ethylenediamine), which are constructed by different types of B7 clusters, had been synthesized under solvothermal conditions by utilizing different directing agents. Compound 1, which was directed by methylamine, has an isolated [B14O20(OH)6]4− anionic cluster constructed by [B7O10(OH)3]2− (B7-I) cluster, and then the [B14O20(OH)6]4− clusters are further linked to a 3D supramolecular framework through hydrogen bonds. Compound 2 is a coordination polymer and has a 2D layer structure constructed by [B7O10(OH)3]2− (B7-II) clusters through a four-connected mode. The 2D oxo-boron layered structures are further linked to 3D B–O–Zn network by Zn–O bonds. The band gaps of compounds 1 and 2 indicated that they could have potential applications as semiconductor and deep-UV materials, respectively.",

keywords = "Borate, Boron, Cluster, Solvothermal synthesis, Structure directing agents",

author = "Liu, {Wen Fang} and Su, {Zhao Min} and Zhiyu Jia and Yang, {Guo Yu}",

note = "Publisher Copyright: {\textcopyright} 2019, Springer Science+Business Media, LLC, part of Springer Nature.",

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AU - Liu, Wen Fang

AU - Su, Zhao Min

AU - Jia, Zhiyu

AU - Yang, Guo Yu

PY - 2019/7/15

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N2 - Two new polyborates [(CH3NH3)4][B14O20(OH)6] (1) and [Zn(en)2{B7O10(OH)3}] (2, en = ethylenediamine), which are constructed by different types of B7 clusters, had been synthesized under solvothermal conditions by utilizing different directing agents. Compound 1, which was directed by methylamine, has an isolated [B14O20(OH)6]4− anionic cluster constructed by [B7O10(OH)3]2− (B7-I) cluster, and then the [B14O20(OH)6]4− clusters are further linked to a 3D supramolecular framework through hydrogen bonds. Compound 2 is a coordination polymer and has a 2D layer structure constructed by [B7O10(OH)3]2− (B7-II) clusters through a four-connected mode. The 2D oxo-boron layered structures are further linked to 3D B–O–Zn network by Zn–O bonds. The band gaps of compounds 1 and 2 indicated that they could have potential applications as semiconductor and deep-UV materials, respectively.

AB - Two new polyborates [(CH3NH3)4][B14O20(OH)6] (1) and [Zn(en)2{B7O10(OH)3}] (2, en = ethylenediamine), which are constructed by different types of B7 clusters, had been synthesized under solvothermal conditions by utilizing different directing agents. Compound 1, which was directed by methylamine, has an isolated [B14O20(OH)6]4− anionic cluster constructed by [B7O10(OH)3]2− (B7-I) cluster, and then the [B14O20(OH)6]4− clusters are further linked to a 3D supramolecular framework through hydrogen bonds. Compound 2 is a coordination polymer and has a 2D layer structure constructed by [B7O10(OH)3]2− (B7-II) clusters through a four-connected mode. The 2D oxo-boron layered structures are further linked to 3D B–O–Zn network by Zn–O bonds. The band gaps of compounds 1 and 2 indicated that they could have potential applications as semiconductor and deep-UV materials, respectively.

KW - Borate

KW - Boron

KW - Cluster

KW - Solvothermal synthesis

KW - Structure directing agents

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SP - 1139

EP - 1144

JO - Journal of Cluster Science

JF - Journal of Cluster Science

IS - 4

ER -

Syntheses, Structures and Characterizations of Two New Polyborates Containing Heptaborate Sub-clusters

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