1
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Luo YL, Zhou L, Bai YJ, Huang XY, Zhu X, Yan X, Deng X, Wang YJ, Lv HP, Tang YY. Room-Temperature Phase Transition Material with Switchable Second-Order Nonlinear Optical Properties. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38712510 DOI: 10.1021/acsami.4c03496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Phase transition materials with switchable second-order nonlinear optical (NLO) properties have attracted extensive attention because of their great application potential in photoelectric switches, sensors, and modulators, while metal-free organics with NLO switchability near room temperature remain scarce. Herein, we report a hydrogen-bonded metal-free organic crystal, 2-methylpropan-2-aminium 2,2-dimethylpropanoate (1), exhibiting a room-temperature phase transition and favorable NLO switchability. Through investigations on its thermal anomalies, dielectric properties, and crystal structures, we uncover that 1 holds a near-room-temperature phase transition at 303 K from noncentrosymmetric point group C2v to centrosymmetric one D2h, which is attributed to the order-disorder transformations of both tert-butylamine cations and dimethylpropionic acid anions. Accompanied by symmetry change during the phase transition, 1 exhibits reversible and repeatable NLO "on-off" switchability with a desirable switching contrast ratio of ca. 19 between high and low NLO states. This discovery demonstrates a metal-free organic crystal with NLO switching behavior near room temperature, serving as a promising candidate in smart and ecofriendly photoelectric functional materials and devices.
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Affiliation(s)
- Yan-Ling Luo
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Lin Zhou
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Yong-Ju Bai
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Xiao-Yun Huang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Xuan Zhu
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Xin Yan
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Xin Deng
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Yan-Juan Wang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Hui-Peng Lv
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
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2
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Wei C, Li L, Zheng Y, Wang L, Ma J, Xu M, Lin J, Xie L, Naumov P, Ding X, Feng Q, Huang W. Flexible molecular crystals for optoelectronic applications. Chem Soc Rev 2024; 53:3687-3713. [PMID: 38411997 DOI: 10.1039/d3cs00116d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
The cornerstones of the advancement of flexible optoelectronics are the design, preparation, and utilization of novel materials with favorable mechanical and advanced optoelectronic properties. Molecular crystalline materials have emerged as a class of underexplored yet promising materials due to the reduced grain boundaries and defects anticipated to provide enhanced photoelectric characteristics. An inherent drawback that has precluded wider implementation of molecular crystals thus far, however, has been their brittleness, which renders them incapable of ensuring mechanical compliance required for even simple elastic or plastic deformation of the device. It is perplexing that despite a plethora of reports that have in the meantime become available underpinning the flexibility of molecular crystals, the "discovery" of elastically or plastically deformable crystals remains limited to cases of serendipitous and laborious trial-and-error approaches, a situation that calls for a systematic and thorough assessment of these properties and their correlation with the structure. This review provides a comprehensive and concise overview of the current understanding of the origins of crystal flexibility, the working mechanisms of deformations such as plastic and elastic bending behaviors, and insights into the examples of flexible molecular crystals, specifically concerning photoelectronic changes that occur in deformed crystals. We hope this summary will provide a reference for future experimental and computational efforts with flexible molecular crystals aimed towards improving their mechanical behavior and optoelectronic properties, ultimately intending to advance the flexible optoelectronic technology.
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Affiliation(s)
- Chuanxin Wei
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
| | - Liang Li
- Smart Materials Lab, New York University Abu Dhabi, PO Box 129188, Abu Dhabi, United Arab Emirates.
| | - Yingying Zheng
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
| | - Lizhi Wang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
| | - Jingyao Ma
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
| | - Man Xu
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
| | - Jinyi Lin
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
| | - Linghai Xie
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
- School of Flexible Electronics (SoFE) and Henan Institute of Flexible Electronics (HIFE), Henan University, 379 Mingli Road, Zhengzhou 450046, China
| | - Panče Naumov
- Smart Materials Lab, New York University Abu Dhabi, PO Box 129188, Abu Dhabi, United Arab Emirates.
- Center for Smart Engineering Materials, New York University Abu Dhabi, PO Box 129188, Abu Dhabi, United Arab Emirates
- Research Center for Environment and Materials, Macedonian Academy of Sciences and Arts, Bul. Krste Misirkov 2, Skopje MK-1000, Macedonia
- Molecular Design Institute, Department of Chemistry, New York University, 100 Washington Square East, New York, NY 10003, USA
| | - Xuehua Ding
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
| | - Quanyou Feng
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
| | - Wei Huang
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
- School of Flexible Electronics (SoFE) and Henan Institute of Flexible Electronics (HIFE), Henan University, 379 Mingli Road, Zhengzhou 450046, China
- Frontiers Science Center for Flexible Electronics (FSCFE), Shaanxi Institute of Flexible Electronics (SIFE), MIIT Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an 710072, China
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Ullah Mughal E, Roufieda Guerroudj A, Bozkurt E, Naeem N, Sadiq A, Al-Fahemi JH, Jassas RS, Hussein EM, Boukabcha N, Chouaih A, Ahmed SA. Investigation of photophysical and electronic properties of aurone derivatives: Insights from spectroscopic techniques and density functional theory calculations. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 302:123130. [PMID: 37517274 DOI: 10.1016/j.saa.2023.123130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/04/2023] [Accepted: 07/10/2023] [Indexed: 08/01/2023]
Abstract
This paper reports on a study of the photophysical properties, density functional theory (DFT) calculations, infrared (IR), ultraviolet (UV) and nuclear magnetic resonance (NMR) spectroscopic techniques of a series of aurone compounds. The photophysical properties were investigated using UV absorption and fluorescence spectroscopy in a dimethyl sulfoxide (DMSO) solution. Furthermore, the fluorescence quantum yields of the target compounds (1-24) were also investigated. Remarkably, these compounds revealed high quantum yields (Φ = 0.001-0.729) as compared to the already existing aurones in literature. The DFT calculations were performed to elucidate the electronic structure, energy levels and draw a comparison between experimental and theoretical findings. The simulated properties such as molecular frontier orbitals, the density of states, reactivity descriptors (GCRD), electrostatic potential distribution, transition density matrix, electron localization function (ELF) and localized orbital locator (LOL) have been calculated using DFT. The DFT calculations provided insight into the electronic structure and energy levels of the aurone compounds, while the IR and UV spectroscopy results shed light on their functional groups and electronic transitions, respectively. The results of this study contribute to a better understanding of the photophysical properties of aurone compounds and suggest their potential use in technological applications.
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Affiliation(s)
| | - Ahlam Roufieda Guerroudj
- Laboratory of Technology and Solid Properties (LTPS), Abdelhamid Ibn Badis University of Mostaganem, 27000 Mostaganem, Algeria.
| | - Ebru Bozkurt
- Program of Occupational Health and Safety, Vocational College of Technical Sciences, Atatürk University, 25240 Erzurum, Turkey; Department of Nanoscience and Nanoengineering, Graduate School of Natural and Applied Sciences, Atatürk University, 25240 Erzurum, Turkey
| | - Nafeesa Naeem
- Department of Chemistry, University of Gujrat, Gujarat 50700, Pakistan
| | - Amina Sadiq
- Department of Chemistry, Govt. College Women University, Sialkot 51300, Pakistan
| | - Jabir H Al-Fahemi
- Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Rabab S Jassas
- Department of Chemistry, Jamoum University College, Umm Al-Qura University, 21955 Makkah, Saudi Arabia
| | - Essam M Hussein
- Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia; Chemistry Department, Faculty of Science, Assiut University, 71516 Assiut, Egypt
| | - Nourdine Boukabcha
- Laboratory of Technology and Solid Properties (LTPS), Abdelhamid Ibn Badis University of Mostaganem, 27000 Mostaganem, Algeria; Chemistry Department, Faculty of Exact Sciences and Informatic, Hassiba Benbouali University, Chlef 02000, Algeria
| | - Abdelkader Chouaih
- Laboratory of Technology and Solid Properties (LTPS), Abdelhamid Ibn Badis University of Mostaganem, 27000 Mostaganem, Algeria
| | - Saleh A Ahmed
- Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia.
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Pérez-Gutiérrez E, Ahsin A, El Bakri Y, Venkatesan P, Thamotharan S, Percino MJ. Color properties and non-covalent interactions in hydrated (Z)-4-(1-cyano-2-(2,4,5-trimethoxyphenyl)-vinyl)pyridin-1-ium chloride salt: Insights from experimental and theoretical studies. Heliyon 2023; 9:e21040. [PMID: 37954267 PMCID: PMC10637909 DOI: 10.1016/j.heliyon.2023.e21040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 10/09/2023] [Accepted: 10/13/2023] [Indexed: 11/14/2023] Open
Abstract
The optical charge-transfer (CT) property and the crystal structure of (Z)-4-(1-cyano-2-(2,4,5-trimethoxyphenyl)vinyl)pyridin-1-ium chloride monohydrate salt (I), which belongs to an acrylonitrile family, was studied. The title salt, I, was characterized using different spectroscopy techniques and a single-crystal X-ray diffraction study combined with quantum chemical computations. The results showed that the color properties of I are determined by the CT, changes in bandgap, optical absorption, and various non-covalent interactions. The HOMO-LUMO energy gaps are 5.41 eV and 5.23 eV for the precursor and salt, respectively. It was demonstrated that π-π stacking interactions lead to the formation of intercalated dimers and donor-acceptor interactions assisted by hydrogen bonds; the dimers and interactions are different between the precursor and the salt. The cation moiety is mainly stabilized by N(1)+-H···Cl, and the anion is predominantly stabilized by strong O(1W)- H⋯ Cl- bonds as well as the hydrogen bonds with the MeO group O(2W)-H⋯O(1) and O(2W)-H⋯O(1W). The charge transfer between cation and anion moieties in the structure is established through NBO analysis.
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Affiliation(s)
- Enrique Pérez-Gutiérrez
- Unidad de Polímeros y Electrónica Orgánica, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Val3, Eco-campus Valsequillo, Independencia O2 Sur 50, San Pedro Zacachimalpa, Pue. Mexico
| | - Atazaz Ahsin
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of chemical sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Youness El Bakri
- Department of Theoretical and Applied Chemistry, South Ural State University, Lenin prospect 76, Chelyabinsk, 454080, Russian Federation
| | - Perumal Venkatesan
- Unidad de Polímeros y Electrónica Orgánica, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Val3, Eco-campus Valsequillo, Independencia O2 Sur 50, San Pedro Zacachimalpa, Pue. Mexico
- Department of Chemistry, Srimad Andavan Arts and Science College (Autonomous), T.V. Koil, Tiruchirappalli 620 005, India
| | - S. Thamotharan
- Biomolecular Crystallography Laboratory, Department of Bioinformatics, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur 613 401, India
| | - M. Judith Percino
- Unidad de Polímeros y Electrónica Orgánica, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Val3, Eco-campus Valsequillo, Independencia O2 Sur 50, San Pedro Zacachimalpa, Pue. Mexico
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5
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Martos M, Guapacha AM, Pastor IM. Ionic Organic Solid 1,3-Bis(sulfomethyl)imidazoliumate as an Effective Metal-Free Catalyst for Sustainable Organic Syntheses. Molecules 2023; 28:molecules28062695. [PMID: 36985667 PMCID: PMC10057919 DOI: 10.3390/molecules28062695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/15/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023] Open
Abstract
The 1,3-bis(sulfomethyl)imidazole (bsmim) was effectively prepared by a multicomponent reaction, employing aminomethanesulfonic acid, glyoxal, and formaldehyde. The catalytic activity of bsmim was tested in the synthesis of quinoline derivatives, by means of the Friedländer reaction, and in the allylic substitution of alcohols with nitrogen-containing heterocycles. The performance of sulfo-imidazole derivative (bsmim) resulted in higher comparison with the carboxyimidazole analogs (bcmim and bcmimCl), under the same reaction conditions. This type of ionic organic solid allows the promotion of reactions in the absence of solvent and mild reaction conditions, which improves the sustainability of organic synthetic processes.
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6
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Barhum H, McDonnell C, Alon T, Hammad R, Attrash M, Ellenbogen T, Ginzburg P. Organic Kainate Single Crystals for Second-Harmonic and Broadband THz Generation. ACS APPLIED MATERIALS & INTERFACES 2023; 15:8590-8600. [PMID: 36729720 PMCID: PMC9940106 DOI: 10.1021/acsami.2c18454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Organic crystals with unique nonlinear optical properties have been attracting attention owing to their capability to outperform their conventional nonorganic counterparts. Since nonlinear material responses are linked to a crystal's internal microscopic structure, molecular engineering of maximally unharmonic quantum potentials can boost macromolecular susceptibilities. Here, large-scale kainic acid (kainate) single crystals were synthesized, and their linear and nonlinear optical properties were studied in a broad spectral range, spanning the visible to THz spectral regions. The non-centrosymmetric zwitterionic crystallization, molecular structure, and intermolecular arrangement were found to act as additive donor-acceptor domains, enhancing the efficiency of the intrinsic second-order optical nonlinearity of this pure enantiomeric crystal. Molecular simulations and experimental analysis were performed to retrieve the crystals' properties. The crystals were predicted and found to have good transparency in a broad spectral range from the UV to the infrared (0.2-20 μm). Second-harmonic generation was measured for ultrashort pumping wavelengths between 800 and 2400 nm, showing an enhanced response around 600 nm. Broadband THz generation was demonstrated with a detection limited bandwidth of >8 THz along with emission efficiencies comparable to and prevailing those of commercial ZnTe crystals. The broadband nonlinear response and high transparency make kainate crystals extremely attractive for realizing a range of nonlinear optical devices.
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Affiliation(s)
- Hani Barhum
- Department
of Physical Electronics, Tel Aviv University, Ramat Aviv, Tel Aviv69978, Israel
- The
Center for Light-Matter Interaction, Tel
Aviv University, Tel Aviv69978, Israel
- Triangle
Regional Research and Development Center, Kfar Qara’3007500, Israel
| | - Cormac McDonnell
- Department
of Physical Electronics, Tel Aviv University, Ramat Aviv, Tel Aviv69978, Israel
- The
Center for Light-Matter Interaction, Tel
Aviv University, Tel Aviv69978, Israel
| | - Tmiron Alon
- Department
of Physical Electronics, Tel Aviv University, Ramat Aviv, Tel Aviv69978, Israel
- The
Center for Light-Matter Interaction, Tel
Aviv University, Tel Aviv69978, Israel
| | - Raheel Hammad
- Tata
Institute of Fundamental Research, Sy No 36/P Serilingampally Mandal, Hyderabad, Telangana500046, India
| | - Mohammed Attrash
- Schulich
Faculty of Chemistry, Technion - Israel
Institute of Technology, Haifa32000, Israel
| | - Tal Ellenbogen
- Department
of Physical Electronics, Tel Aviv University, Ramat Aviv, Tel Aviv69978, Israel
- The
Center for Light-Matter Interaction, Tel
Aviv University, Tel Aviv69978, Israel
| | - Pavel Ginzburg
- Department
of Physical Electronics, Tel Aviv University, Ramat Aviv, Tel Aviv69978, Israel
- The
Center for Light-Matter Interaction, Tel
Aviv University, Tel Aviv69978, Israel
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7
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Bhoday H, Kelley SP, Glaser R. Polar and non-polar stacking of perfectly aligned parallel beloamphiphile monolayers (PBAMs) of (PhO, F)-azine. The interplay of non-covalent interlayer interactions and unit cell polarity. CrystEngComm 2023. [DOI: 10.1039/d3ce00021d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
The differences are discussed of the antiferroelectric and ferroelectric stacking of the PBAMs of the polymorphs of (PhO, F)-azine. We will show how non-covalent interlayer H⋯F and F⋯F interactions between the PBAM surfaces affect their stacking.
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8
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Zhao R, Zhu T, Wang S, Jarrett-Wilkins C, Najjarian AM, Lough AJ, Hoogland S, Sargent EH, Seferos DS. Engineering hydrogen bonding to align molecular dipoles in organic solids for efficient second harmonic generation. Chem Sci 2022; 13:12144-12148. [PMID: 36349093 PMCID: PMC9601317 DOI: 10.1039/d2sc03994j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/27/2022] [Indexed: 08/12/2023] Open
Abstract
Considering nearly infinite design possibilities, organic second harmonic generation (SHG) molecules are believed to have long-term promise. However, because of the tendency to form dipole-antiparallel crystals that lead to zero macroscopic polarization, it is difficult to design a nonlinear optical (NLO) material based on organic molecules. In this manuscript, we report a new molecule motif that can form asymmetric organic solids by controlling the degree of hydrogen bonding through protonation. A conjugated polar organic molecule was prepared with a triple bond connecting an electron-withdrawing pyridine ring and an electron-donating thiophene ring. By controlling the degree of hydrogen bonding through protonation, two different crystal packing motifs are achieved. One crystallizes into the common dipole-antiparallel nonpolar P1̄ space group. The second crystallizes into the uncommon dipole-parallel polar P1 space group, in which the molecular dipoles are aligned along a single axis and thus exhibit a high macroscopic polarization in its solid-state form. Due to the P1 polar packing, the sample can generate second harmonic light efficiently, about three times the intensity of the benchmark potassium dihydrogen phosphate. Our findings show that crystal engineering by hydrogen bonding in a single molecular backbone can be used for controlling the macroscopic NLO properties.
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Affiliation(s)
- Ruyan Zhao
- Department of Chemistry, University of Toronto 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Tong Zhu
- Department of Electronic and Computer Engineering, University of Toronto 10 King's College Road Toronto Ontario M5S 3G4 Canada
| | - Sasa Wang
- Department of Electronic and Computer Engineering, University of Toronto 10 King's College Road Toronto Ontario M5S 3G4 Canada
| | - Charlie Jarrett-Wilkins
- Department of Chemistry, University of Toronto 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Amin Morteza Najjarian
- Department of Electronic and Computer Engineering, University of Toronto 10 King's College Road Toronto Ontario M5S 3G4 Canada
| | - Alan J Lough
- Department of Chemistry, University of Toronto 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Sjoerd Hoogland
- Department of Electronic and Computer Engineering, University of Toronto 10 King's College Road Toronto Ontario M5S 3G4 Canada
| | - Edward H Sargent
- Department of Electronic and Computer Engineering, University of Toronto 10 King's College Road Toronto Ontario M5S 3G4 Canada
| | - Dwight S Seferos
- Department of Chemistry, University of Toronto 80 St. George Street Toronto Ontario M5S 3H6 Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto 200 College Street Toronto Ontario M5S 3E5 Canada
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Rajaniverma D, Rao DJ, Prasanna Kumar PV, Seetaramaiah V, Ramakrishna Y. Characterization of Structure-Property Relations and Second Harmonic Generation of 6-Methoxy-2-Naphthaldehyde. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2021.1956553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- D. Rajaniverma
- Department of Physics, M.R.P.G College, Vizianagaram, Andhra Pradesh, India
| | - D. Jagadeeswara Rao
- Department of Physics, Dr. Lankapalli Bullayya College, Visakhapatnam, Andhra Pradesh, India
| | - P. V. Prasanna Kumar
- Department of Engineering Physics, S.R.K.R Engineering College, Bhimavaram, Andhra Pradesh, India
| | - V. Seetaramaiah
- Department of Engineering Physics, S.R.K.R Engineering College, Bhimavaram, Andhra Pradesh, India
| | - Y. Ramakrishna
- Department of Engineering Physics, A.U College Engineering, Visakhapatnam, Andhra Pradesh, India
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10
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Structural, thermal, linear and nonlinear optical and cytotoxicity studies of a novel organic stilbazolium salt: 4-[2-(4-hydroxyphenyl)ethenyl]-1-methylpyridinium 4-styrenesulfonate. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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11
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Lee Y, Yoon W, Yun H, Jazbinsek M, Yu IC, Rotermund F, Kim D, Kwon O. New organic 4‐(
4‐methoxystyryl
)‐1‐methylpyridinium crystals for nonlinear optical applications. B KOREAN CHEM SOC 2022. [DOI: 10.1002/bkcs.12612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yun‐Sang Lee
- Department of Molecular Science and Technology Ajou University Suwon Korea
| | - Woojin Yoon
- Department of Chemistry Ajou University Suwon Korea
- Department of Energy Systems Research Ajou University Suwon Korea
| | - Hoseop Yun
- Department of Chemistry Ajou University Suwon Korea
- Department of Energy Systems Research Ajou University Suwon Korea
| | - Mojca Jazbinsek
- Institute of Computational Physics Zurich University of Applied Sciences (ZHAW) Winterthur Switzerland
| | - In Cheol Yu
- Department of Physics Korea Advanced Institute of Science and Technology (KAIST) Daejeon Korea
| | - Fabian Rotermund
- Department of Physics Korea Advanced Institute of Science and Technology (KAIST) Daejeon Korea
| | - Dongwook Kim
- Department of Chemistry Kyonggi University Iui‐dong, Yeongtong‐gu, Suwonsi Gyeonggi Korea
| | - O‐Pil Kwon
- Department of Molecular Science and Technology Ajou University Suwon Korea
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12
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Solo P, Arockia doss M. Synthesis, Single-Crystal XRD, Spectral and Computational Analysis of 2-(3,4-Dimethoxyphenyl)-1H-Phenanthro[9,10-d] Imidazole as Electron-Transport and NLO Material. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2096650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Peter Solo
- Department of Chemistry, St. Joseph University, Dimapur, India
- Department of Chemistry, St. Joseph’s College Autonomous, Jakhama, India
| | - M. Arockia doss
- Department of Chemistry, St. Joseph University, Dimapur, India
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13
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Temperature effect on potassium nitrate-tricine nanoparticles synthesis to enhance third order optical nonlinearity. Top Catal 2022. [DOI: 10.1007/s11244-022-01641-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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14
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Zheng T, Wang Q, Ren J, Cao L, Huang L, Gao D, Bi J, Zou G. Halogen regulation triggers structural transformation from centrosymmetric to noncentrosymmetric switches in tin phosphate halides Sn 2PO 4X (X = F, Cl). Inorg Chem Front 2022. [DOI: 10.1039/d2qi01207c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A tin phosphate halide, centrosymmetric Sn2PO4F, was successfully transformed into noncentrosymmetric Sn2PO4Cl with excellent comprehensive performance by the substitution of F− with Cl−.
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Affiliation(s)
- Ting Zheng
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Qiang Wang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - JinXuan Ren
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Liling Cao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Ling Huang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Daojiang Gao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Jian Bi
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Guohong Zou
- College of Chemistry, Sichuan University, Chengdu, 610065, P. R. China
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15
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Boomadevi S, Kundu A, Anthony SP, Pandiyan K, Sastikumar D, Saxena S, Bagchi S, Chakera J. Investigations on synthesis, growth, crystal structure, thermal, Dielectric and Terahertz Transmission properties of Organic NLO Crystal : (2-(2-hydroxy-3-methoxystyryl)-1-methylquinolinium-4-methylbenzenesulfonate (O-HMQ). J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Sundaram SJ, Raj AA, Vijay RJ, Jaccob M, Sagayaraj P. Investigation on nucleation, growth and physical properties of low soluble 4-N, N-dimethylamino-4-N’-methylstilbazolium 4-aminotoluene-3-sulfonate crystal – A potential NLO material. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130669] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Sakunthaladevi R, Jothi L. Growth dynamics and molecular structural analysis of Dimethylketo thiosemicarbazone single crystals for frequency conversion applications - Optical and thermal characterization. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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P M, Balraj V, V R. Synthesis, structural-spectral characterization and theoretical studies of Pyridinium-4-carbohydrazide (2R,3R)-2,3-dihydroxybutanedioate. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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19
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Samiee S, Pouladzadeh A, Mahdavifar Z. Exploring the optical and nonlinear optical features of heteroleptic complexes with BODIPY and amido-BODIPY substitutions; A comparative theoretical study. INORG CHEM COMMUN 2020. [DOI: 10.1016/j.inoche.2020.108234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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20
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Shin M, Kim WT, Kim S, Kim S, Yu IC, Kim S, Jazbinsek M, Yoon W, Yun H, Rotermund F, Kwon O. Organic Broadband THz Generators Optimized for Efficient Near-Infrared Optical Pumping. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2001738. [PMID: 33101871 PMCID: PMC7578856 DOI: 10.1002/advs.202001738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 07/06/2020] [Indexed: 06/11/2023]
Abstract
New organic THz generators are designed herein by molecular engineering of the refractive index, phonon mode, and spatial asymmetry. These benzothiazolium crystals simultaneously satisfy the crucial requirements for efficient THz wave generation, including having nonlinear optical chromophores with parallel alignment that provide large optical nonlinearity; good phase matching for enhancing the THz generation efficiency in the near-infrared region; strong intermolecular interactions that provide restraining THz self-absorption; high solubility that promotes good crystal growth ability; and a plate-like crystal morphology with excellent optical quality. Consequently, the as-grown benzothiazolium crystals exhibit excellent characteristics for THz wave generation, particularly at near-infrared pump wavelengths around 1100 nm, which is very promising given the availability of femtosecond laser sources at this wavelength, where current conventional THz generators deliver relatively low optical-to-THz conversion efficiencies. Compared to a 1.0-mm-thick ZnTe crystal as an inorganic benchmark, the 0.28-mm-thick benzothiazolium crystal yields a 19 times higher peak-to-peak THz electric field with a broader spectral bandwidth (>6.5 THz) when pumped at 1140 nm. The present work provides a valuable approach toward realizing organic crystals that can be pumped by near-infrared sources for efficient THz wave generation.
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Affiliation(s)
- Myeong‐Hoon Shin
- Department of Molecular Science and TechnologyAjou UniversitySuwon443‐749Korea
| | - Won Tae Kim
- Department of PhysicsKorea Advanced Institute of Science and Technology (KAIST)Daejeon34141Korea
| | - Se‐In Kim
- Department of Molecular Science and TechnologyAjou UniversitySuwon443‐749Korea
| | - Seung‐Jun Kim
- Department of Molecular Science and TechnologyAjou UniversitySuwon443‐749Korea
| | - In Cheol Yu
- Department of PhysicsKorea Advanced Institute of Science and Technology (KAIST)Daejeon34141Korea
| | - Sang‐Wook Kim
- Department of Molecular Science and TechnologyAjou UniversitySuwon443‐749Korea
| | - Mojca Jazbinsek
- Institute of Computational PhysicsZurich University of Applied Sciences (ZHAW)Winterthur8401Switzerland
| | - Woojin Yoon
- Department of Chemistry and Department of Energy Systems ResearchAjou UniversitySuwon443‐749Korea
| | - Hoseop Yun
- Department of Chemistry and Department of Energy Systems ResearchAjou UniversitySuwon443‐749Korea
| | - Fabian Rotermund
- Department of PhysicsKorea Advanced Institute of Science and Technology (KAIST)Daejeon34141Korea
| | - O‐Pil Kwon
- Department of Molecular Science and TechnologyAjou UniversitySuwon443‐749Korea
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21
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Bhuvaneswari G, Prasad LG, Prabavathi N. Exploration of physicochemical properties of 4-methoxy acetanilide: A nonlinear optical crystal. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2020. [DOI: 10.1142/s0219633620500212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The single crystal XRD analysis has been used to examine the structure of the centrosymmetric crystal 4-Methoxy acetanilide. The material delineated in orthorhombic system with the space group of Pbca. FTIR and Raman spectrum analysis have been executed to comprehend the molecular interactions and to study the vibrational nature of the functional groups presented in the title molecule. Characteristic studies like optical, dielectric and thermal stability have also been carried out. Detailed explorations have been conducted on the optical properties of the crystal using both quantum chemical calculations and experimental data.
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Affiliation(s)
- G. Bhuvaneswari
- Department of Physics, Muthayammal College of Arts and Science, Rasipuram, India Department of Physics, Sri Sarada College for Women, Salem 636016, India
| | - L. Guru Prasad
- Department of Science & Humanities, M. Kumarasamy College of Engineering, Karur, India
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22
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Karuppasamy P, Kamalesh T, Anitha K, Senthil Pandian M, Ramasamy P, Verma S. Design and growth of novel organic molecular Quinoline 4-nitrophenol (QNP) single crystals: For Nonlinear optical (NLO) applications. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128036] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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23
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de Araújo RS, de Alcântara AM, Abegão LM, de Souza YP, Brandão Silva AC, Machado R, Joatan Rodrigues J, Rodriguez Pliego J, d'Errico F, Siqueira Valle M, de Alencar MARC. Second harmonic generation in pyrazoline derivatives of dibenzylideneacetones and chalcone: A combined experimental and theoretical approach. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2019.112147] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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24
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Abegão LMG, Fonseca RD, Santos FA, Rodrigues JJ, Kamada K, Mendonça CR, Piguel S, De Boni L. First molecular electronic hyperpolarizability of series of π-conjugated oxazole dyes in solution: an experimental and theoretical study. RSC Adv 2019; 9:26476-26482. [PMID: 35531011 PMCID: PMC9070536 DOI: 10.1039/c9ra05246a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 08/14/2019] [Indexed: 11/21/2022] Open
Abstract
In this work, we report the experimental and theoretical first molecular electronic hyperpolarizability (β HRS) of eleven π-conjugated oxazoles compounds in toluene medium. The Hyper-Rayleigh Scattering (HRS) technique allowed the determination of the experimental dynamic β HRS values, by exciting the compounds with a picosecond pulse trains from a Q-switched and mode-locked Nd:YAG laser tuned at 1064 nm. Theoretical predictions based on time-dependent density functional theory level using the Gaussian 09 program package were performed with three different functionals (B3LYP, CAM-B3LYP, and M06-2X), to calculate both static and dynamic theoretical β HRS values. Good accordance was found between the experimental and theoretical values, in particular for the CAM-B3LYP and M06-2X functionals.
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Affiliation(s)
- Luis M G Abegão
- Departamento de Física, Universidade Federal de Sergipe São Cristovão SE 49100-000 Brazil
- Department of Radiology and Bioimaging, School of Medicine, Yale University 300 Cedar Street New Haven Connecticut 06520 USA
| | - Ruben D Fonseca
- Instituto de Física de São Carlos, Universidade de São Paulo CP 369 13560-970 São Carlos SP Brazil
- Departamento de Fisica, Universidad Popular del Cesar Barrio Sabana Valledupar Cesar 2000004 Colombia
| | - Francisco A Santos
- Departamento de Física, Universidade Federal de Sergipe São Cristovão SE 49100-000 Brazil
| | - José J Rodrigues
- Departamento de Física, Universidade Federal de Sergipe São Cristovão SE 49100-000 Brazil
| | - Kenji Kamada
- National Institute of Advanced Industrial Science and Technology Ikeda Osaka 563-8577 Japan
| | - Cleber R Mendonça
- Instituto de Física de São Carlos, Universidade de São Paulo CP 369 13560-970 São Carlos SP Brazil
| | - Sandrine Piguel
- Institut Curie, PSL Research University, CNRS, INSERM, UMR9187-U1196 Orsay F-91405 France
- Université Paris Sud, Université Paris-Saclay Orsay F-91405 France
| | - Leonardo De Boni
- Instituto de Física de São Carlos, Universidade de São Paulo CP 369 13560-970 São Carlos SP Brazil
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25
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Continuous Generation of Millimeter-Sized Glycine Crystals in Non-Seeded Millifluidic Slug Flow. CRYSTALS 2019. [DOI: 10.3390/cryst9080412] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Millimeter-sized α-glycine crystals were generated from continuous non-seeded cooling crystallization in slug flow. The crystallization process is composed of three steps in sequence: slug formation, crash-cooling nucleation, and growth. Stable uniform slugs of three different aspect ratios (slug length/tubing inner diameter) were formed, by adjusting the flow rates of both the solution and air streams. Besides supersaturation, the slug aspect ratio can also affect primary nucleation outcome. Stable slug flow can accommodate a relative supersaturation (C/C*) of up to 1.5 without secondary nucleation. Large glycine crystals can grow to millimeter size within 10 min, inside millimeter-sized slugs without reducing the slug quality.
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26
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Molecular properties, crystal structure, Hirshfeld surface analysis and computational calculations of a new third order NLO organic crystal, 2-aminopyridinium benzilate. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.12.048] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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27
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Abstract
Organic crystals with second-order optical nonlinearity feature very high and ultra-fast optical nonlinearities and are therefore attractive for various photonics applications. During the last decade, they have been found particularly attractive for terahertz (THz) photonics. This is mainly due to the very intense and ultra-broadband THz-wave generation possible with these crystals. We review recent progress and challenges in the development of organic crystalline materials for THz-wave generation and detection applications. We discuss their structure, intrinsic properties, and advantages compared to inorganic alternatives. The characteristic properties of the most widely employed organic crystals at present, such as DAST, DSTMS, OH1, HMQ-TMS, and BNA are analyzed and compared. We summarize the most important principles for THz-wave generation and detection, as well as organic THz-system configurations based on either difference-frequency generation or optical rectification. In addition, we give state-of-the-art examples of very intense and ultra-broadband THz systems that rely on organic crystals. Finally, we present some recent breakthrough demonstrations in nonlinear THz photonics enabled by very intense organic crystalline THz sources, as well as examples of THz spectroscopy and THz imaging using organic crystals as THz sources for various scientific and technological applications.
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28
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Santos FA, Abegão LM, Fonseca RD, Alcântara AM, Mendonça CR, Valle MS, Alencar M, Kamada K, De Boni L, Rodrigues J. Bromo-and chloro-derivatives of dibenzylideneacetone: Experimental and theoretical study of the first molecular hyperpolarizability and two-photon absorption. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2018.10.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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29
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David E, Thirumoorthy K, Palanisami N. Ferrocene-appended donor-π-acceptor Schiff base: Structural, nonlinear optical, aggregation-induced emission and density functional theory studies. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4522] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ezhumalai David
- Department of Chemistry, School of Advanced Sciences; Vellore Institute of Technology; Vellore Tamilnadu India
| | - Krishnan Thirumoorthy
- Department of Chemistry, School of Advanced Sciences; Vellore Institute of Technology; Vellore Tamilnadu India
| | - Nallasamy Palanisami
- Department of Chemistry, School of Advanced Sciences; Vellore Institute of Technology; Vellore Tamilnadu India
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30
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Jadhav AG, Rhyman L, Alswaidan IA, Ramasami P, Sekar N. Spectroscopic and DFT approach for structure property relationship of red emitting rhodamine analogues: A study of linear and nonlinear optical properties. COMPUT THEOR CHEM 2018. [DOI: 10.1016/j.comptc.2018.03.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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31
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Synthesis, growth and characterization of L-Phenylalaninium methanesulfonate nonlinear optical single crystal. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.11.065] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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32
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Sundaram SJ, Ramaclus JV, Antony P, Jaccob M, Sagayaraj P. Synthesis, growth and characterization of a new acentric 4-[4-(4-dimethylamino-phenyl)buta-1,3-dienyl]-1-methyl pyridinium p-chlorobenzenesulfonate dihydrate crystal for nonlinear optical applications. NEW J CHEM 2018. [DOI: 10.1039/c8nj03261k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A new organic crystal with a noncentrosymmetric structure is developed, and its structural, thermal, linear and nonlinear optical properties are reported.
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Affiliation(s)
- S. John Sundaram
- Department of Physics
- Sacred Heart College (Autonomous)
- Tirupattur – 635 601
- India
- Department of Physics
| | - Jerald V. Ramaclus
- Department of Physics
- St. Joseph's College (Autonomous)
- Trichy – 600 002
- India
| | - Priya Antony
- Department of Physics
- Loyola College (Autonomous)
- Chennai – 600 034
- India
| | - M. Jaccob
- Department of Chemistry
- Loyola College
- Chennai – 600 034
- India
- Computational Chemistry Laboratory
| | - P. Sagayaraj
- Department of Physics
- Loyola College (Autonomous)
- Chennai – 600 034
- India
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33
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Borates—Crystal Structures of Prospective Nonlinear Optical Materials: High Anisotropy of the Thermal Expansion Caused by Anharmonic Atomic Vibrations. CRYSTALS 2017. [DOI: 10.3390/cryst7030093] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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34
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Sanyal S, Sissa C, Terenziani F, Pati SK, Painelli A. Superlinear amplification of the first hyperpolarizability of linear aggregates of DANS molecules. Phys Chem Chem Phys 2017; 19:24979-24984. [DOI: 10.1039/c7cp04732k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A comprehensive study of optical properties of DANS in different environments explains the observed ∼30-fold enhancement of the hyper-Rayleigh signal of DANS@CNT vs. DANS in solution in terms of collective and cooperative phenomena occurring in aggregates of less than 10 aligned molecules.
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Affiliation(s)
- Somananda Sanyal
- Department of Chemistry
- Life Science and Environmental Sustainability
- Parma University
- 43124 Parma
- Italy
| | - Cristina Sissa
- Department of Chemistry
- Life Science and Environmental Sustainability
- Parma University
- 43124 Parma
- Italy
| | - Francesca Terenziani
- Department of Chemistry
- Life Science and Environmental Sustainability
- Parma University
- 43124 Parma
- Italy
| | - Swapan K. Pati
- New Chemistry Unit and Theoretical Sciences Unit
- Jawaharlal Nehru Centre for Advanced Scientific Research
- Bangalore-64
- India
| | - Anna Painelli
- Department of Chemistry
- Life Science and Environmental Sustainability
- Parma University
- 43124 Parma
- Italy
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