Special Issue "Polyborates: Applications, Synthesis, and Structural and Physical Properties"
Deadline for manuscript submissions: closed (31 December 2019) | Viewed by 15196
Interests: agricultural bio-stimulants; boron-11 NMR; computational studies; hydrogen bonding; Lewis acidity measurement; organoborates and silicates; polyborates and silicates; synthesis; supramolecular self-assembly; transition-metal chemistry
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Polyborates are a class of inorganic compound (salt) containing boron atoms within their anionic moieties. These boron atoms are bound solely to oxygen and can adopt either trigonal-planar or tetrahedral connectivity. The cations of these salts can be ‘naked’ metals (e.g. Na+), organic, or transition-metal complexes and furthermore, polyborates may also be anhydrous or hydrated. Consequentially, polyborates show immense solid-state structural diversity with ‘hydrogen-bonded insular systems’ and ‘supramolecular polymeric systems’ well represented within the class. Polyborates have unique properties and a few (e.g. Na2[B4O5(OH)4].3H2O = Na2B4O7.5H2O, ‘borax pentahydrate’) have been used in the production of a wide variety of bulk products such as insulation fiberglass, specialty glasses, enamels and glazes, fertilizers, biocides, fire retardants, detergents. The polyborates β-BaB2O4 and LiB3O5 are well-known for their interesting non-linear optical (NLO) second-harmonic generation properties and NLO properties of other polyborates have also been investigated. Other interesting spectroscopic properties e.g optical absorption (UV/VIS), fluorescence, photoluminescence, have been observed and these may lead to future applications. The intent of this Special Issue is to focus on the most recent advances in polyborate chemistry ranging from fundamental aspects to current and potential applications. Full papers, communications, and reviews on these topics are welcome.
Prof. Dr. Michael A. Beckett
Manuscript Submission Information
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- Polyborate chemistry
- Computational studies
- Physical and thermal properties
- NLO properties
- Solid-state structural studies
- Solution equilibria
- Spectroscopic behaviour
- Synthetic methods