Structural, optical, thermal, dielectric and Z-scan study on novel (2E)-1-(4-aminophenyl)-3-(4-benzyloxyphenyl)-prop-2-en-1-one (APBPP) chalcone crystal for nonlinear optical applications

Clara, T. Hannah; Ragu, R.; Jonathan, D. Reuben; Prasana, Johanan Christian

doi:10.1016/j.optmat.2020.110331

Cited by 21 publications

(4 citation statements)

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“…The significant fall in the dielectric constant suggests that the crystal packing has excellent chemical homogeneity and fewer optically visible defects. [ 20 ] The low value of the dielectric constant at high frequencies makes CuDM crystals applicable in Second Harmonic Generation, ferroelectrics, and optoelectronic devices.…”

Section: Resultsmentioning

confidence: 99%

Copper‐Based MOF Crystals for Low‐k Dielectric Applications

Vineetha

Pradyumnan

2023

Cryst. Res. Technol.

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Metal‐organic frameworks (MOFs) are precious resources for future demands in every realm of life. Currently, researchers are striving to create MOF materials with low dielectric constants for the microelectronic sector. In this work, a MOF compound, copper dimandelate (CuDM), is crystallized using the regulated diffusion of cations through viscous reactant media and its suitability for dielectric applications is studied for the first time. The crystallinity of the compound is confirmed and structural characterization is carried out using powder X‐ray diffraction measurements. The various functional groups present in the grown sample are confirmed by Fourier transform infrared and Raman analyses. Thermogravimetric analysis establishes the thermal stability of the material up to a temperature of 220 °C. The predicted chemical formula, (Cu[(C6H5) HOCH COO)]2) is verified by CHNS elemental analysis. The observed dielectric constant varies from 18.55 to 8.15 with applied frequency ranging from 0.01 Hz to 10 MHz, making it suitable for low‐k dielectric applications. The optical band gap and Urbach energy are obtained as 3.65 and 0.6211 eV, respectively, by UV–vis analysis. Solid‐state dielectric parameters, which include valence electron plasma energy, Penn gap, Fermi energy, electrical polarizability, and susceptibility of the material, are calculated using theoretical formulations.

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Section: Resultsmentioning

confidence: 99%

Copper‐Based MOF Crystals for Low‐k Dielectric Applications

Vineetha

Pradyumnan

2023

Cryst. Res. Technol.

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“…As a result of the proper orientation of the chromophores in the crystal, this substituent is superior to others [33,34]. Furthermore, the presence of nitro is important as a strong electron acceptor for improved optical nonlinearity [7].…”

Section: Third Order Susceptibilities Calculationsmentioning

confidence: 99%

“…Researchers have investigated the OL performance of a wide range of organic and inorganic materials [2–5] such as graphene, fullerenes, and nanocomposite. Nowadays, organic materials are the main focus of intense analysis for their potential in optoelectronic applications because of their high nonlinearity, fast reaction time and also ability to change their properties by practical substitutions in comparison with the inorganic material [6, 7].…”

Section: Introductionmentioning

confidence: 99%

An experimental and DFT investigations of fused ring anthracenyl chalcones with effective modification in acceptor moiety: Nonlinear optical and optical limiting response

Zainuri

Abdullah

Bakar

et al. 2023

Int J of Quantum Chemistry

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The significance of the anthracene moiety on nonlinear optical (NLO) characteristics is thoroughly examined. The presence of strong electron donor and acceptor groups, large and prolonged conjugation transfer axis, amplifies the push–pull action and increases NLO responses. The values of χ3 obtained for AC derivatives are considerably larger (10−3 esu), indicating that they accurately reflect NLO reactions. According to the optical limiting (OL) investigation, AC has a strong limiting behavior with action beginning at 1.6 KW/cm2. The relationship between transmittance and intensity has demonstrated their potential use in OL applications. Nonlinear optical studies show that all conjugated anthracene chalcones are potential materials for OL devices.

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“…The study of organic NLO crystals is a scholastic area of interest due to their ample applications in different domains, such as signal processing, electro-optic modulators, telecommunication, optical switches, deep UV light, high-density data storage and display technologies. [1][2][3][4][5][6][7][8] The presence of delocalized p-electrons, donor and acceptor moieties, hydrogen bonds and weak Van der Waals forces induce high non-linearity in the organic crystals compared to its counterpart, inorganic materials. 9 Also, tunability of the structure, high laser damage threshold, ultra-fast response and the signicant electro-optic coefficient are the added advantages of the organic materials.…”

Section: Introductionmentioning

confidence: 99%