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Zhang B, Wei L, Tang X, Jiang Z, Guo S, Zou L, Xie H, Gong Y, Liu Y. Preparation and Characterization of Carbazole-Based Luminogen with Efficient Emission in Solid and Solution States. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16114193. [PMID: 37297328 DOI: 10.3390/ma16114193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/29/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023]
Abstract
Organic luminescent materials with high luminescence efficiency in both solution and solid states, namely dual-state emission (DSE), have attracted considerable attention due to their promising applications in various fields. In order to enrich the variety of DSE materials, carbazole, similar to triphenylamine (TPA), was utilized to construct a novel DSE luminogen named 2-(4-(9H-carbazol-9-yl)phenyl)benzo[d]thiazole (CZ-BT). CZ-BT exhibited DSE characteristics with fluorescence quantum yields of 70, 38 and 75% in solution, amorphous and crystalline states, respectively. CZ-BT shows thermochromic and mechanochromic properties in solution and solids, respectively. Theoretical calculations show that there is a small conformational difference between the ground state and the lowest singly excited state of CZ-BT and that it exhibits a low non-radiative transition characteristic. The oscillator strength during the transition from the single excited state to the ground state reaches 1.0442. CZ-BT adopts a distorted molecular conformation with intramolecular hindrance effects. The excellent DSE properties of CZ-BT can be explained well using theoretical calculations and experimental results. In terms of application, the CZ-BT has a detection limit for the hazardous substance picric acid of 2.81 × 10-7 mol/L.
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Affiliation(s)
- Beibei Zhang
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Lingzhong Wei
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Xuansi Tang
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Zizhan Jiang
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Song Guo
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Linmin Zou
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Huihong Xie
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Yongyang Gong
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Yuanli Liu
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
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Muthamma K, Gouda BM, Sunil D, Kulkarni SD, P.J. A. Water-based fluorescent flexo-ink for security applications. CHEMICAL PAPERS 2023. [DOI: 10.1007/s11696-023-02765-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
Abstract
AbstractUV-readable fluorescent ink formulations find versatile applications in various fields including information encryption, automated identification systems, security markers and optical devices. In this context, a new bithiophene-based chalcone (BTCF) that exhibits good solution phase and solid-state fluorescence was synthesized as a colourant for formulating an eco-friendly UV fluorescent ink. The molecule demonstrated good thermal stability and photophysical features including intramolecular charge transfer, confirmed through emission studies in THF–hexane mixtures with varying hexane content. The intense greenish yellow solid-state fluorescence emission displayed by BTCF was exploited by using it as a colourant in a water-based fluorescent ink formulation. Further, the ink was used to print a fast-drying solid patch on an UV dull paper substrate using flexography technique. The analysis of colorimetric, densitometric and rub resistance properties of the printed paper samples demonstrated good fluorescence, moderate photostability and good rub resistance, and hence could be used for security printing applications.
Graphical abstract
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3
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Kalaburgi B, Radha Krushna B, Subramanian B, Daruka Prasad B, Manjunatha K, Yun Wu S, Shetty A, Nagabhushana H. Orange-red emitting MoO3:Sm3+ transparent nano-composite films for anti-counterfeiting and data secure applications. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.112031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Yang S, Zhou S, Li H, Nie Y, Xu H, Liu W, Miao J, Li Y, Gao G, You J, Jiang X. Multistimuli-Responsive Squaraine Dyad Exhibiting Concentration-Controlled Vapochromic Luminescence. ACS APPLIED MATERIALS & INTERFACES 2022; 14:16611-16620. [PMID: 35349256 DOI: 10.1021/acsami.2c00468] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Stimuli-responsive organic materials with controllable luminescence are of enormous importance because of their potential applications in sensing, data security, and display devices. In this study, a multistimuli-responsive squaraine dyad (SQ-d) composed of two rigid squaraine moieties and a flexible ethylene linker was rationally designed and synthesized. SQ-d exhibits polymorphic luminescence, which can be reversibly switched by various external stimuli, including solvent vapor exposure, heat, and shear force. Unexpectedly, the weakly luminescent phase (O1) of SQ-d exhibits concentration-controlled vapochromic behavior. Film O1 can convert to a highly green-emissive phase (G1) under a low concentration of CHCl3 vapor and convert to a highly yellow-emissive phase (Y) under a high concentration of CHCl3 vapor; these originate from two distinct crystallization-induced emission enhancement processes. To the best of our knowledge, this is the first investigation of the effect of vapor concentration on the phase transitions of organic vapochromic luminophores. By analyzing the single-crystal structures and photophysical properties of SQ-d, we concluded that the green and yellow emissions probably originated from a zigzag stacking mode and an H-type π-π stacking mode, respectively. Finally, two prototypes based on SQ-d for applications in information encryption and vapor sensing were successfully demonstrated.
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Affiliation(s)
- Shuaijun Yang
- Institute for Smart Materials & Engineering, University of Jinan, No. 336 Nanxinzhuang West Road, 250022 Jinan, P.R. China
| | - Shaoxin Zhou
- Institute for Smart Materials & Engineering, University of Jinan, No. 336 Nanxinzhuang West Road, 250022 Jinan, P.R. China
| | - Hui Li
- Institute for Smart Materials & Engineering, University of Jinan, No. 336 Nanxinzhuang West Road, 250022 Jinan, P.R. China
| | - Yong Nie
- Institute for Smart Materials & Engineering, University of Jinan, No. 336 Nanxinzhuang West Road, 250022 Jinan, P.R. China
| | - Huiyan Xu
- Institute for Smart Materials & Engineering, University of Jinan, No. 336 Nanxinzhuang West Road, 250022 Jinan, P.R. China
| | - Wei Liu
- Institute for Smart Materials & Engineering, University of Jinan, No. 336 Nanxinzhuang West Road, 250022 Jinan, P.R. China
| | - Jinling Miao
- School of Chemistry and Chemical Engineering, University of Jinan, No. 336 Nanxinzhuang West Road, 250022 Jinan, P.R. China
| | - Yexin Li
- School of Chemistry and Chemical Engineering, University of Jinan, No. 336 Nanxinzhuang West Road, 250022 Jinan, P.R. China
| | - Ge Gao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P.R. China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P.R. China
| | - Xuchuan Jiang
- Institute for Smart Materials & Engineering, University of Jinan, No. 336 Nanxinzhuang West Road, 250022 Jinan, P.R. China
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An effective fluorescent optical sensor: Thiazolo-thiazole based dye exhibiting anion/cation sensitivities and acidochromism. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113456] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Ravindra MK, Darshan GP, Lavanya DR, Mahadevan KM, Premkumar HB, Sharma SC, Adarsha H, Nagabhushana H. Aggregation induced emission based active conjugated imidazole luminogens for visualization of latent fingerprints and multiple anticounterfeiting applications. Sci Rep 2021; 11:16748. [PMID: 34408179 PMCID: PMC8373972 DOI: 10.1038/s41598-021-96011-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 07/29/2021] [Indexed: 11/09/2022] Open
Abstract
Aggregation-induced emission based organic heterocyclic luminogens bearing conjugated electronic structures showed much attention due to its excellent fluorescence in aggregation state. In this communication, a novel conjugated blue light emitting imidazole molecule is synthesized by one pot multicomponent reaction route is reported for the first time. The prepared molecule exhibits a strong fluorescence in aggregation state with exceptional properties, such as high purity, inexpensive, eco-friendly, large scale production, high photostability, etc. By considering these advantages, a new fluorescence based platform has been setup for in-situ visualization of latent fingerprints and its preservation by spray method followed by Poly(vinyl alcohol) masking. A clear and well defined fluorescence fingerprint images are noticed on variety of surfaces by revealing level 1-3 ridge features upon ultraviolet 365 nm light exposure. The dual nature of binding specificity as well as excellent fluorescence properties permits the visualization of latent fingerprints for longer durations (up to 365 days) with superior contrast, high sensitivity, efficiency, selectivity and minimal background hindrance. We further fabricated unclonable invisible security ink for various printing modes on valuable goods for protection against forging. The developed labels are displaying uniform distribution of ink and exceptional stability under various atmospheric environments. The development of long preservative information using aggregation-induced emission based luminogen opens up a new avenue in advanced forensic and data security applications.
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Affiliation(s)
- M K Ravindra
- Department of Chemistry, P. G. Centre, Kuvempu University, Kadur, 577 548, India
| | - G P Darshan
- Department of Physics, FMPS, M.S. Ramaiah University of Applied Sciences, Bengaluru, 560 054, India
| | - D R Lavanya
- Prof. C.N.R. Rao Centre for Advanced Materials, Tumkur University, Tumkur, 572 103, India
| | - K M Mahadevan
- Department of Chemistry, P. G. Centre, Kuvempu University, Kadur, 577 548, India
| | - H B Premkumar
- Department of Physics, FMPS, M.S. Ramaiah University of Applied Sciences, Bengaluru, 560 054, India
| | - S C Sharma
- National Assessment and Accreditation Council, Bengaluru, 560 072, India.,Jain University, Bengaluru, 562 112, India.,Centre for Energy, Indian Institute of Technology, Guwahati, 781 039, India
| | - H Adarsha
- Department of Mechanical Engineering, Faculty of Engineering and Technology, Jain Global Campus, Bengaluru, 562 112, India
| | - H Nagabhushana
- Prof. C.N.R. Rao Centre for Advanced Materials, Tumkur University, Tumkur, 572 103, India.
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Hasan N, Ma Z, Liu J, Li Z, Qian C, Liu Y, Chen M, Jiang H, Jia X, Ma Z. Selective Expression of a Carbazole-Phenothiazine Derivative Leads to Dual-mode AIEE, TADF and Distinctive Mechanochromism. Chemphyschem 2021; 22:2093-2098. [PMID: 34318995 DOI: 10.1002/cphc.202100435] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/25/2021] [Indexed: 12/11/2022]
Abstract
In this article, we report a newly designed D-A-D' derivative (CNCzPTZ), which displays selective expression of chromophores. This enables CNCzPTZ with solvatochromism, rare dual-mode AIEE properties, solid-state dual-emissions with phosphorescence and distinctive mechanochromism.CNCzPTZ exhibits dual-mode AIEE properties, since the emission band abruptly shifts from 550 nm to 500 nm as the water fraction increases. In the crystalline state, CNCzPTZ demonstrated dual emission bands of 478 nm and 538 nm.CNCzPTZ shows distinctive mechanochromic property in the solid state due to the planarization.
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Affiliation(s)
- Numan Hasan
- Beijing State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhimin Ma
- National high-tech industrial development zone in Jingdezhen, Jingdezhen, 333000, China
| | - Jianwei Liu
- Beijing State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zewei Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and, Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Chen Qian
- Beijing State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yan Liu
- Beijing State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Mingxing Chen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and, Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Hong Jiang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and, Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Xinru Jia
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and, Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Zhiyong Ma
- Beijing State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
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Ozkok F, Sahin YM, Enisoglu Atalay V, Asgarova K, Onul N, Catal T. Sensitive detection of iron (II) sulfate with a novel reagent using spectrophotometry. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 240:118631. [PMID: 32619787 DOI: 10.1016/j.saa.2020.118631] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 06/12/2020] [Accepted: 06/17/2020] [Indexed: 06/11/2023]
Abstract
In this study, a novel reagent was developed for sensitive detection of iron (II) sulfate, spectrophotometrically. A novel thio-anthraquinone derivative, 1-(Dodecylthio)anthracene-9,10-dione (3), was synthesized from the chemical reaction of 1-Chloroanthraquinone (1) and 1-Dodecanethiol (2) by an original reaction method and was used in the preparation of the novel reagent called Catal's reagent. A synthesized thio-anthraquinone analogue (3) was purified by column chromatography, and its chemical structure was characterized by spectroscopic methods such as Fourier-transform infrared spectroscopy (FT-IR), nuclear magnetic resonance (NMR) spectroscopy, mass spectrometry (MS), and ultraviolet (UV)-visible spectrophotometry. The chemical and molecular structure of the developed thio-antraquinone derivative (3) was illuminated using computational methods with the GaussView5 and Gaussian09 programs. Various solvents including ethanol, methanol, and acetonitrile were examined in the preparation of the reagent. A concentration range from 0.2 mg mL-1 up to 10 mg mL-1 of iron (II) sulfate heptahydrate solution in distilled water was prepared. The absorption spectra of Catal's reagent (0.816 mM) showed three peaks between 185 nm-700 nm of wavelength. However, after the reaction with H2O2 and the 30 mM trisodium citrate dihydrate mixture in the presence of an iron sulfate (II) solution, a single peak was observed, producing a stable and reddish/brownish homogenous solution (λ max = 304 nm). The following concentrations of iron (II) sulfate heptahydrate was examined using developed protocol and the reagent, and the concentrations were measured spectrophotometrically at 304 nm, 0.2-1 mg mL-1. Absorbances of reaction mixtures of iron (II) sulfate remained stable up to 48 h. The results indicated that the novel Catal's reagent can be used for sensitive spectrophotometric detection of iron (II) sulfate in aqueous solutions.
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Affiliation(s)
- Funda Ozkok
- Department of Chemistry, Istanbul University-Cerrahpasa, Avcilar, Istanbul, Turkey.
| | - Yesim Muge Sahin
- Department of Biomedical Engineering, Istanbul Arel University, Turkey; Polymer Technologies and Composite Aplication and Research Center (ArelPOTKAM), Istanbul Arel University Buyukcekmece, Istanbul, Turkey.
| | - Vildan Enisoglu Atalay
- Istanbul Protein Research Application and Inovation Center (PROMER), Turkey; Department of Bioengineering, Uskudar University, 34662 Uskudar, Istanbul, Turkey
| | - Kamala Asgarova
- Department of Chemistry, Istanbul University-Cerrahpasa, Avcilar, Istanbul, Turkey
| | - Nihal Onul
- Department of Chemistry, Istanbul University-Cerrahpasa, Avcilar, Istanbul, Turkey
| | - Tunc Catal
- Istanbul Protein Research Application and Inovation Center (PROMER), Turkey; Department of Molecular Biology and Genetics, Uskudar University, 34662 Uskudar, Istanbul, Turkey.
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9
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Ding L, Wang XD. Luminescent Oxygen-Sensitive Ink to Produce Highly Secured Anticounterfeiting Labels by Inkjet Printing. J Am Chem Soc 2020; 142:13558-13564. [DOI: 10.1021/jacs.0c05506] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Longjiang Ding
- Department of Chemistry, Fudan University, Shanghai 200433, P.R. China
| | - Xu-dong Wang
- Department of Chemistry, Fudan University, Shanghai 200433, P.R. China
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Liu Y, Li A, Ma Z, Xu W, Ma Z, Jia X. Multicolored fluorescence variation of a new carbazole-based AIEE molecule by external stimuli. Phys Chem Chem Phys 2020; 22:19195-19201. [PMID: 32812600 DOI: 10.1039/d0cp02783a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
In this article, we design and synthesize a new carbazole-based molecule, Cz2CN, with a twisted D-A structure, using the carbazole group as the donor and a dicyanoethylene fragment as the acceptor. Such a twisted D-A structure endows Cz2CN with two characteristic emission bands, LE emission and ICT emission. Cz2CN exhibits AIEE, solvatochromism, and different responses to anisotropic shearing force and isotropic hydrostatic pressure, due to the sensitivity of ICT emission to aggregation, solvent polarity and mechanical force. Aggregation benefits the ICT emission, leading to the AIEE of Cz2CN in the THF/water system. Polar solvents can help stabilize the ICT-excited states and make the ICT emission red shift. The original crystalline powder is strongly fluorescent with a high quantum yield of 40.4%. A single crystal of Cz2CN is obtained and dimers without π-π interactions among carbazole groups contribute to the strong emission. Anisotropic shearing alters the emission of Cz2CN powder from sky blue (474 nm) to green (520 nm). The single crystal of Cz2CN undergoes a distinct multicolored variation from sky blue (476 nm) to green (510 nm) and further to orange (590 nm) upon isotropic hydrostatic pressure. The emission of the original powder/crystal of Cz2CN is dominated by LE (locally excited state) emission in HLCT (intercrossed hybridized local and charge transfer excited state). To the best of our knowledge, Cz2CN is an interesting carbazole-based molecule that shows simultaneous AIEE, solvatochromism and force-induced multicolored variation.
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Affiliation(s)
- Yan Liu
- Beijing State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Aisen Li
- State Key Laboratory for Supramolecular Structure and Materials, Institute of Theoretical Chemistry, College of Physics, Jilin University, Changchun 130012, China
| | - Zhimin Ma
- National High-Tech Industrial Development Zone in Jingdezhen, Jingdezhen, 333000, China
| | - Weiqing Xu
- State Key Laboratory for Supramolecular Structure and Materials, Institute of Theoretical Chemistry, College of Physics, Jilin University, Changchun 130012, China
| | - Zhiyong Ma
- Beijing State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Xinru Jia
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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