Growth of 1, 3, 5 - Triphenylbenzene single crystal by modified vertical Bridgman method and its characterization for scintillation application

Murugesan, Manikandan; Rajesh, P.; Ramasamy, P.

doi:10.1016/j.jlumin.2020.117699

Cited by 7 publications

(2 citation statements)

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“…The TPB molecule is composed of four benzene rings that are linked in pairs through C─C σ bonds. [ 49 , 50 , 51 ] Under thermodynamic stability, the three peripheral phenyl rings exhibit specific angles with the central benzene ring ( Figure 4 a ). After being linked by alkane groups, the angle between benzene rings can be altered to varying degrees, resulting in different conformations (Figure 4b ; Table S3 , Supporting Information).…”

Section: Resultsmentioning

confidence: 99%

Transient‐State Self‐Bipolarized Organic Frameworks of Single Aromatic Units for Natural Sunlight‐Driven Photosynthesis of H₂O₂

Zhang,

Chen,

Niu

et al. 2024

Advanced Science

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Constructing π‐conjugated polymer structures through covalent bonds dominates the design of organic framework photocatalysts, which significantly depends on the selection of multiple donor‐acceptor building blocks to narrow the optical gap and increase the lifetimes of charge carriers. In this work, self‐bipolarized organic frameworks of single aromatic units are demonstrated as novel broad‐spectrum‐responsive photocatalysts for H2O2 production. The preparation of such photocatalysts is only to fix the aromatic units (such as 1,3,5‐triphenylbenzene) with alkane linkers in 3D space. Self‐bipolarized aromatic units can drive the H2O2 production from H2O and O2 under natural sunlight, wide pH ranges (3.0‐10.0) and natural water sources. Moreover, it can be extended to catalyze the oxidative coupling of amines. Experimental and theoretical investigation demonstrate that such a strategy obeys the mechanism of through‐space π‐conjugation, where the closely face‐to‐face overlapped aromatic rings permit the electron and energy transfer through the large‐area delocalization of the electron cloud under visible light irradiation. This work introduces a novel design concept for the development of organic photocatalysts, which will break the restriction of conventional through‐band π‐conjugation structure and will open a new way in the synthesis of organic photocatalysts.

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Section: Resultsmentioning

confidence: 99%

Transient‐State Self‐Bipolarized Organic Frameworks of Single Aromatic Units for Natural Sunlight‐Driven Photosynthesis of H₂O₂

Zhang,

Chen,

Niu

et al. 2024

Advanced Science

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“…The fringes of these two rays are at equal line spacing, and their shapes show qualitatively better refractive index homogeneity. [ 39 ] For this experiment, the green light emission semi‐conductor laser with 532.8 nm wavelength was used as the source with a polarized parallel beam of light targeted at the (1 1 0)‐oriented SR method grown HEDT crystal, which was positioned between a polarizer and an analyzer. [ 40 ] The birefringence pattern observed is given in Figure .…”

Section: Resultsmentioning

confidence: 99%

Study of the Crystalline Perfection, Homogeneity, Chemical Etching on the Surface, and Third‐Order Nonlinear Optical Properties of (1 1 0) Oriented Hydroxyethylammonium D‐Tartrate Monohydrate Single Crystal and Hirshfeld Surface Analysis

Hakkim¹,

Rajesh²,

Sidden³

et al. 2022

Cryst. Res. Technol.

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The single crystal of hydroxyethylammonium D-tartrate monohydrate (HEDT) is grown along the (1 1 0) plane using the Sankaranarayanan-Ramasamy method. The powder X-ray diffraction and the high-resolution X-ray diffraction analyses are used to corroborate the growth plane and perfection of the crystallinity, respectively. The birefringence experiment has proven crystalline homogeneity and estimated birefringence value (𝚫n) is 0.109. The surface morphology of the grown crystal is examined by chemical etching analysis and irregular hillock patterns are found. The transmittance for the (1 1 0) plane of the HEDT is inspected by a UV-Vis analysis. The second harmonic generation efficiency of the HEDT crystal is 1.7 times that of potassium dihydrogen phosphate (KDP). The third-order nonlinear optical (TONLO) properties of the grown HEDT crystal are scrutinized by the Z-scan experiment. The estimated TONLO susceptibility of HEDT crystal is 6.827 × 10 −8 esu. The laser damage threshold value of HEDT is discovered to be 5.24 GW cm −2 . The 3D Hirshfeld surface visualizes the interaction between HEDT molecules and analyzes the distance from the surface of the molecule to the farthest and the nearest atom. The important contributions of crystal packing are explored by 2D-fingerprint plots.

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<100> directed growth, Hirshfeld surface analysis, and scintillation properties of trans-Stilbene (TSB) single crystal grown by modified low-temperature vertical Bridgman method

Murugesan¹,

Rajesh²,

Tyagi

et al. 2021

J Mater Sci: Mater Electron

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Growth of 1, 3, 5 - Triphenylbenzene single crystal by modified vertical Bridgman method and its characterization for scintillation application

Cited by 7 publications

References 42 publications

Transient‐State Self‐Bipolarized Organic Frameworks of Single Aromatic Units for Natural Sunlight‐Driven Photosynthesis of H₂O₂

Transient‐State Self‐Bipolarized Organic Frameworks of Single Aromatic Units for Natural Sunlight‐Driven Photosynthesis of H₂O₂

Study of the Crystalline Perfection, Homogeneity, Chemical Etching on the Surface, and Third‐Order Nonlinear Optical Properties of (1 1 0) Oriented Hydroxyethylammonium D‐Tartrate Monohydrate Single Crystal and Hirshfeld Surface Analysis

<100> directed growth, Hirshfeld surface analysis, and scintillation properties of trans-Stilbene (TSB) single crystal grown by modified low-temperature vertical Bridgman method

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Growth of 1, 3, 5 - Triphenylbenzene single crystal by modified vertical Bridgman method and its characterization for scintillation application

Cited by 7 publications

References 42 publications

Transient‐State Self‐Bipolarized Organic Frameworks of Single Aromatic Units for Natural Sunlight‐Driven Photosynthesis of H2O2

Transient‐State Self‐Bipolarized Organic Frameworks of Single Aromatic Units for Natural Sunlight‐Driven Photosynthesis of H2O2

Study of the Crystalline Perfection, Homogeneity, Chemical Etching on the Surface, and Third‐Order Nonlinear Optical Properties of (1 1 0) Oriented Hydroxyethylammonium D‐Tartrate Monohydrate Single Crystal and Hirshfeld Surface Analysis

<100> directed growth, Hirshfeld surface analysis, and scintillation properties of trans-Stilbene (TSB) single crystal grown by modified low-temperature vertical Bridgman method

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Transient‐State Self‐Bipolarized Organic Frameworks of Single Aromatic Units for Natural Sunlight‐Driven Photosynthesis of H₂O₂

Transient‐State Self‐Bipolarized Organic Frameworks of Single Aromatic Units for Natural Sunlight‐Driven Photosynthesis of H₂O₂