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Noudem P, Fouejio D, Mveme CDD, Nya FT, Zekeng SS. Electronic, nonlinear optical, UV-vis and NBO analysis of methyl methacrylate for optoelectronic and optical applications: DFT study and impact of conformation. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123267. [PMID: 37598450 DOI: 10.1016/j.saa.2023.123267] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/24/2023] [Accepted: 08/15/2023] [Indexed: 08/22/2023]
Abstract
Using Density Functional Theory (DFT) and time-dependent DFT (TD-DFT), we studied a compound widely used in daily life, namely: Methyl Methacrylate (MMA) monomer in its two stable isomers, cis-MMA and trans-MMA. The impact of conformation on the optical and electronic properties of MMA was highlighted. Structural parameters and thermodynamic properties were also assessed, and allowed to discuss the stability and reactivity of this compound. In addition, analysis of optoelectronic and electronic properties, global reactivity descriptors, natural bond orbital (NBO), and hole and electron reorganization energies was performed. The absorption and fluorescence properties, as well as the linear and nonlinear optical (NLO) properties of MMA were also investigated. The findings show that MMA is an insulator due to its wide band gap of 6.20 eV. It also exhibits good optoelectronic properties with high average electric field values of about 5.90 × 109 Vm-1 for cis-MMA and 5.42 × 109 Vm-1 for trans-MMA and high electric displacement values of at least 14.65 × 10-2 cm-2 for cis-MMA and 14.33 × 10-2 cm-2 for trans-MMA, suggesting a potential use for the design of piezoelectric and pyroelectric materials. In addition, trans-MMA has a dielectric constant close to that of good insulators; while cis-MMA exhibits a dielectric behaviour close to that of polymeric substances. Further, these materials are thermodynamically stable in its two conformations, with a good reactivity which can lead to good ability of polymerization. The analysis of the UV-vis spectra revealed that both forms of MMA absorb and emit mainly in the UV and that the Stokes shift of MMA is low, reducing its potential use in devices such as solar cells. At NLO level, MMA isomers exhibit weak optical properties such as second- and third-order optical susceptibility and cannot suitable for second and third harmonic generation; however, the conformation enhances second-order NLO response by at least 2 times when moving from cis- to trans-MMA, whereas the third-order response is almost unaffected. In addition, the conformation also affects the electronic and optoelectronic properties of MMA.
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Affiliation(s)
- P Noudem
- Mechanic, Materials and complex structures Laboratory, Department of Physics, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon
| | - D Fouejio
- Mechanic, Materials and complex structures Laboratory, Department of Physics, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.
| | - C D D Mveme
- Materials Science Laboratory, Department of Physics, Faculty of Science, University of Maroua, P.O. Box 814, Maroua, Cameroon
| | - F Tchangnwa Nya
- Materials Science Laboratory, Department of Physics, Faculty of Science, University of Maroua, P.O. Box 814, Maroua, Cameroon
| | - S S Zekeng
- Mechanic, Materials and complex structures Laboratory, Department of Physics, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon
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Optoelectrical, electronic, and thermodynamic DFT study of a carbon nanoring and its derivative: application as active layer material in organic solar cell performance improvement and nonlinear optics. J Mol Model 2023; 29:1. [DOI: 10.1007/s00894-022-05384-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 11/09/2022] [Indexed: 12/12/2022]
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Yibain Khokho EC, Tchangnwa Nya F, Malloum A, Conradie J. Comparative study of electronic, optoelectronic, optical, and thermodynamic properties of two ovalene molecules and their derivatives functionalized with potassium and chlorine atoms. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04525-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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