Synthesis, growth, structural, thermal, mechanical and optical properties of barium guanidinium dichloride (BaGuCl2) single crystal for NLO applications

Nancy, M. P.; Linet, J. Mary

doi:10.1007/s12596-020-00625-3

Cited by 7 publications

(3 citation statements)

References 26 publications

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“…Moreover, compared with other guanidinium-based compounds published recently, for short-wavelength NLO crystals, the PM ability of GBF series is also competitive. Compared with C(NH 2 ) 3 SbF 4 and BaGuCl 2 , the shorter cutoff edges enable GBF series to be used in a shorter wavelength spectral range. , Meanwhile, a comparison with [C(NH 2 ) 3 ] 3 PO 4 ·2H 2 O indicates that the giant birefringence of GBF series makes them exhibit shorter PM wavelength and the PM ability of GBF series are comparable with C(NH 2 ) 3 SO 3 F…”

Section: Resultsmentioning

confidence: 99%

“…Compared with C(NH 2 ) 3 SbF 4 and BaGuCl 2 , the shorter cutoff edges enable GBF series to be used in a shorter wavelength spectral range. 66,67 Meanwhile, a comparison with [C(NH 2 ) 3 ] 3 PO 4 •2H 2 O 38 indicates that the giant birefringence of GBF series makes them exhibit shorter PM wavelength and the PM ability of GBF series are comparable with C-(NH 2 ) 3 SO 3 F. 37 The favorable arrangement of nonmetal π-conjugated guanidinium and halogenated boroxine is beneficial to the occurrence of large birefringence and SHG response.…”

Section: Resultsmentioning

confidence: 99%

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Guanidinium Fluorooxoborates as Efficient Metal-free Short-Wavelength Nonlinear Optical Crystals

et al. 2021

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Metal-free borates have emerged as a new class of solid-state chemistry and related crystalline materials with high performance. However, the discovery of metal-free borate crystals that can meet the phase-matching behavior in the short-wavelength ultraviolet (UV) spectral region is extremely limited. Against this background, two new guanidinium fluorooxoborates with the chemical formula of [C(NH2)3][B3O3F2(OH)2] and [C(NH2)3]2[B3O3F4(OH)] have been discovered and characterized as high-performance candidates for short-wavelength UV nonlinear optical (NLO) applications. The optimally aligned configuration of coplanar [C(NH2)3] cations and [B3O3F2(OH)2]/[B3O3F4(OH)] heteroanionic units makes both crystals have a sufficiently large NLO coefficient, birefringence, and band gap, which indicate that both metal-free hydroxyfluorooxoborates are promising NLO crystals. The well-ordered configurations of OH/F anions in two borates were identified using various approaches, and the origin of high optical performance was validated by additional measurements and calculations. Our findings verified the feasibility of searching NLO crystals in the short-wavelength region in a metal-free borate system via an eco-friendly and low-cost way.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Guanidinium Fluorooxoborates as Efficient Metal-free Short-Wavelength Nonlinear Optical Crystals

et al. 2021

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“…Very recently, an organic π-conjugated [C(NH 2 ) 3 ] group, as a new type of NLO-active FBUs, has attracted a great deal of research interest. , The [C(NH 2 ) 3 ] (guanidine cation) group is analogous to the inorganic [BO 3 ] group, in which the central C atom links with three N atoms to create a planar configuration. Hence, it can be predicted that guanidine-based crystals may show a large band gap and optical anisotropic polarizability, and some experimental results have been reported, such as C(NH 2 ) 3 ClO 4 , [C(NH 2 ) 3 ] 3 PO 4 ·2H 2 O, BaGuCl 2 , and C(NH 2 ) 3 SO 3 F . It has shown that the rational combination of two or more types of NLO-active FBUs can produce promising NLO crystals. ,, Therefore, it is interesting to develop guanidine-based NLO crystals by combining different functional moieties.…”

Section: Introductionmentioning

confidence: 99%

Synergistic Effect of π-Conjugated [C(NH₂)₃] Cation and Sb(III) Lone Pair Stereoactivity on Structural Transformation and Second Harmonic Generation

Zhang

Yang

et al. 2021

Inorg. Chem.

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The search for nonlinear optical (NLO) crystals with excellent comprehensive properties is a formidable challenge. In this work, two guanidine antimony fluorides, C(NH 2 ) 3 Sb 2 F 7 and C(NH 2 ) 3 SbF 4 , were obtained by conjunction of [C(NH 2 ) 3 ] groups with π-conjugated configuration and stereochemically active Sb 3+ cations. Due to the different coordination modes of Sb−F bonds and H−F hydrogen bonds, the crystal structure of C(NH 2 ) 3 Sb 2 F 7 is centrosymmetric (CS), while C(NH 2 ) 3 SbF 4 is noncentrosymmetric (NCS). Optical measurements show that the UV cutoff wavelengths of the title compounds were both less than 240 nm. Thermal studies indicate that these crystals are stable up to 250 °C. In addition, the second harmonic generation (SHG) response of C(NH 2 ) 3 SbF 4 is 2 times that of KH 2 PO 4 (KDP) with the phase-matchable capacity. Theoretical calculations reveal that the large SHG effects of C(NH 2 ) 3 SbF 4 were attributed to the synergy between the planar [C(NH 2 ) 3 ] units and the distorted [SbF 4 ] groups. These results demonstrate that the guanidine antimony fluorides will have potential value as UV NLO materials.

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A review of the relationship between the structure and nonlinear optical properties of organic-inorganic hybrid materials

Kang,

2024

Coordination Chemistry Reviews

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Synthesis, growth, structural, thermal, mechanical and optical properties of barium guanidinium dichloride (BaGuCl2) single crystal for NLO applications

Cited by 7 publications

References 26 publications

Guanidinium Fluorooxoborates as Efficient Metal-free Short-Wavelength Nonlinear Optical Crystals

Guanidinium Fluorooxoborates as Efficient Metal-free Short-Wavelength Nonlinear Optical Crystals

Synergistic Effect of π-Conjugated [C(NH₂)₃] Cation and Sb(III) Lone Pair Stereoactivity on Structural Transformation and Second Harmonic Generation

A review of the relationship between the structure and nonlinear optical properties of organic-inorganic hybrid materials

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Synthesis, growth, structural, thermal, mechanical and optical properties of barium guanidinium dichloride (BaGuCl2) single crystal for NLO applications

Cited by 7 publications

References 26 publications

Guanidinium Fluorooxoborates as Efficient Metal-free Short-Wavelength Nonlinear Optical Crystals

Guanidinium Fluorooxoborates as Efficient Metal-free Short-Wavelength Nonlinear Optical Crystals

Synergistic Effect of π-Conjugated [C(NH2)3] Cation and Sb(III) Lone Pair Stereoactivity on Structural Transformation and Second Harmonic Generation

A review of the relationship between the structure and nonlinear optical properties of organic-inorganic hybrid materials

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Product

Resources

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Synergistic Effect of π-Conjugated [C(NH₂)₃] Cation and Sb(III) Lone Pair Stereoactivity on Structural Transformation and Second Harmonic Generation