Article
Chemistry, Organic
Bharti Yadav, Mangalampalli Ravikanth
Summary: In this article, the syntheses of various functionalized aza-boron-dipyrromethene dyes (aza-BODIPYs) are presented, in which functional groups are directly introduced at the 2- or 6- positions of the aza-BODIPYs or on aryl rings present at the 1-, 3-, 5-, and 7-positions of the aza-BODIPYs. Some of these functionalized aza-BODIPYs have been used for the synthesis of aza-BODIPY-based energy-transfer cassettes and light-harvesting complexes.
Article
Chemistry, Organic
Koji Yamamoto, Wakana Imai, Satoki Kanamori, Koji Yamamoto, Yosuke Nakamura
Summary: Boron difluoride complexes of phenothiazine, 9,10-dihydroacridine, and acridone derivatives with a pyridyl group were synthesized and characterized for their structures, dynamic conformational behaviors, and photophysical properties, including solid-state fluorescence. The effects of the oxidation state of the sulfur atom in the phenothiazine derivatives on their properties were also clarified.
JOURNAL OF ORGANIC CHEMISTRY
(2023)
Article
Polymer Science
Jameelah Al-Harby, Haja Tar, Sadeq M. Al-Hazmy
Summary: This study investigates the optical properties of a new fluorescent organic dye DBDMA based on boron difluoride complex, measuring parameters such as absorption, fluorescence, molar absorptivity, dipole moment, and oscillator strength. The research finds that immobilizing DBDMA in photosol-gel matrix produces the best results, with a large stokes shift and high fluorescence quantum yield. Additionally, the addition of gold nanoparticles into the hybrid material is discussed, with the organic-inorganic matrix showing the best host behavior for DBDMA fluorescence emission intensity.
Article
Materials Science, Multidisciplinary
Charu Dubey, Shruti, Sunil Kumar Singh, Akhilesh Kumar Singh
Summary: In this work, a bi-luminescent security ink has been developed that offers multilevel anti-counterfeiting strategies and exhibits good stability in different environments.
MATERIALS RESEARCH BULLETIN
(2022)
Article
Spectroscopy
Anatolii G. Mirochnik, Zakhar N. Puzyrkov, Elena V. Fedorenko, Irina V. Svistunova, Alina A. Markova, Anna V. Shibaeva, Ivan D. Burtsev, Alexey A. Kostyukov, Anton E. Egorov, Vladimir A. Kuzmin
Summary: Curcuminoids of boron difluoride, 1-aryl(hetaryl)-5-phenylpenta-2,4-dien-1-onates of boron difluoride, have been synthesized and their electronic structure, luminescent properties, and potential for bio-imaging applications have been studied. The effect of α-substituents on the luminescence of compounds was investigated using luminescence spectroscopy and DFT modeling. The introduction of rc-donor substituents resulted in a bathochromic shift and an increase in the Stokes shift in the luminescence spectra. The compounds showed promise for fluorescent imaging with low cytotoxicity.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2023)
Article
Chemistry, Organic
Koji Yamamoto, Shun Matsui, Shin-ichiro Kato, Yosuke Nakamura
Summary: A series of boron difluoride complexes were synthesized, and the effects of different azine moieties on their photophysical and electrochemical properties were examined. The results showed that the addition of a benzene ring or replacement of a carbon atom with a nitrogen atom resulted in a red shift in the absorption wavelength. The fluorescence quantum yields decreased from one complex to another, and the fluorescence of some complexes was quenched in solution. At lower temperatures, the emission intensity significantly increased, indicating the involvement of internal conversions and intersystem crossing in fluorescence quenching. Aggregation-induced emission properties were observed in the solid state. Electrochemical measurements revealed a decrease in electrochemical gaps due to the substitution of pyridine moieties with different azine moieties.
ORGANIC & BIOMOLECULAR CHEMISTRY
(2023)
Article
Chemistry, Physical
Salhah D. Al-Qahtani, Ahmed Hameed, Razan M. Snari, Reem Shah, Alia Abdulaziz Alfi, Fathy Shaaban, Nashwa M. El-Metwaly
Summary: A new photochromic emissive nitrogen-doped carbon dots (N-CDs) nanocomposite ink was developed for anticounterfeiting digital printing. Fluorescent N-CDs were prepared from rice straw waste using a simple and environmentally friendly method. The printed sheets demonstrated reversible fluorescence photochromism under UV light.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Multidisciplinary
Abegail C. Tadle, Karim A. El Roz, Chan Ho Soh, Daniel Sylvinson Muthiah Ravinson, Peter I. Djurovich, Stephen R. Forrest, Mark E. Thompson
Summary: Substituted aza-boron-dipyridylmethene (aD) compounds have been demonstrated as efficient fluorescent dopant emitters in blue organic light emitting diodes (OLEDs), emitting violet to blue light with high photoluminescent quantum yields. The destabilization of the highest occupied molecular orbital in aD leads to small energy differences between their singlet and triplet excited states, contributing to the high external quantum efficiency of OLEDs with aza-boron-dipyridylmethene emitting fluorophores.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Physical
Hana M. Abumelha, Haifa Alharbi, Matokah M. Abualnaja, Hatun H. Alsharief, Gadeer R. S. Ashour, Fawaz A. Saad, Nashwa M. El-Metwaly
Summary: A novel inorganic-organic hybrid fluorescent ink was developed for anti-counterfeiting applications. The ink, made from thermally and photostable fluorescent perylene-doped silica nanoparticles, was successfully applied to cellulose paper using screen-printing technique. The printed paper showed a red emission with a pigment concentration as low as 1%. The importance of this research is rated 8 out of 10.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2023)
Article
Chemistry, Analytical
Sergii Okorochenkov, Zdenek Skrott, Dusana Majera, Martin Porubsky, Martin Mistrik, Jan Hlavac
Summary: A new fluorescent dye BODIPYAZD-1 is introduced in this study, able to selectively stain autolysosomes and distinguish them from lysosomes and autophagosomes. This compound has excellent fluorescent properties, is not phototoxic, and is compatible with live-cell and fixed-cell microscopy.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Spectroscopy
Wen-Jing Wendy Shi, Yong-Feng Wei, Chun-Feng Li, Han Sun, Liu-Xia Feng, Shi Pang, Fenggang Liu, Liyao Zheng, Jin-wu Yan
Summary: A novel NIR-emitting aza-boron-dipyrromethene dye with two amino groups exhibited interesting NIR absorption and fluorescence properties, selectively binding to Hg2+ with a color change from blue to green. The efficient inhibition of the intramolecular charge transfer process by two amino groups enabled sensitive detection of Hg2+.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2021)
Article
Chemistry, Applied
Yongxiang Miao, Zhiming Xing, Yang Fu, Cheng Zhong, Haiyang Huang, Jing Huang, Yiyuan Peng, Zhibin Song
Summary: Developing small organic fluorophores with full color-tunable luminescence through easy synthesis is crucial for various applications. In this study, novel quinazolinone based BF2 complexes (2a-2g) were designed and synthesized. By modifying the quinazolinone ligand structure, the synthesized boron difluoride dyes exhibited fluorescence in the complete visible spectrum range (approximately 450-750 nm) in both solution and solid-state with high quantum yield. The effect of three electron donating substituents, namely methyl, methoxy, and N,N-dimethylamino group, in the quinazolinone core on the photophysical properties of BF2 compounds was discussed. The position of the substituent in quinazolinone had some impact on the emission efficiency, but little influence on the absorption and emission of BF2 compounds. Finally, compound 2g showed good cell compatibility and the ability for live cell imaging.
Article
Chemistry, Multidisciplinary
Fang-Dong Zhuang, Jing-Hui Yang, Ze-Hao Sun, Peng-Fei Zhang, Qi-Ran Chen, Jie-Yu Wang, Jian Pei
Summary: By combining two special structural units, a novel BN aromatics, BN-Az, has been designed and synthesized with unique characteristics. BN-Az selectively responds to fluoride ions and protons with a significant color change, indicating its potential as an effective ion sensing material in stimuli-responsive electronic devices.
CHINESE JOURNAL OF CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Stanna K. Dorn, Annika E. Tharp, M. Kevin Brown
Summary: The study introduces an efficient, modular, and enantioselective approach towards accessing novel variants of double-allylation reagents via Cu/Pd-catalyzed alkenylation of alkenylboron derivatives. It demonstrates a novel use of allylBdan reagent directly in a stereocontrolled allylation without initial deprotection. These allylation products are utilized in a second intermolecular allylation to access complex diol motifs, signaling the importance and utility of this method in accessing complex structural motifs in a rapid manner.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Spectroscopy
Yuanyuan Meng, Chunming Yuan, Chunhui Du, Ke Jia, Chunfang Liu, Kun-Peng Wang, Shaojin Chen, Zhi-Qiang Hu
Summary: A new fluorescent sensor BZCO has been developed for the detection of volatile amine vapors. This paper-based sensor exhibits high sensitivity and good selectivity, making it suitable for various applications such as food processing and fluorescent security ink.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2021)
Article
Chemistry, Physical
Kang Wang, Haipeng Lu, Xiaolin Zhu, Yixiong Lin, Matthew C. Beard, Yong Yan, Xihan Chen
ACS ENERGY LETTERS
(2020)
Article
Chemistry, Multidisciplinary
Fen Wang, Zisong Qi, Yuxia Zhao, Shuailei Zhai, Guangfan Zheng, Ruijie Mi, Zhiyan Huang, Xiaolin Zhu, Xiaoming He, Xingwei Li
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Chemistry, Applied
Na Zhou, Youzhi Zhang, Zuofeng Chen, Xiaolin Zhu, Xiaoming He
Summary: Luminescent platinum(II) small molecules have unique properties due to Pt(II)-Pt(II) interaction, while the incorporation of Pt(II) into polymers is still in early stages. In this study, random copolymers were synthesized using ROMP method, showing enhanced Pt(II)-Pt(II) interaction and intense low-energy emissions. The photophysical properties of the polymers were highly dependent on solvents and Pt(II) content, with one polymer successfully demonstrated as a self-referenced luminescent thermometer.
Article
Chemistry, Analytical
Guangliang Song, Yuwei Song, Senqiang Zhu, Jinfeng Ji, Rui Liu, Hongjun Zhu
Summary: The newly synthesized bis-photochromic molecules display significant pH response characteristics and potential for use as pH probes in acetonitrile solutions and PMMA membranes. Under ultraviolet light, these compounds exhibit photochromism and 'turn-off' fluorescence properties, possibly due to photoisomerization of the 4,5-diarylimidazole units.
Article
Chemistry, Physical
Xiujuan Wang, Sen Zhang, Yong Shan, Ling Chen, Guanyuan Gao, Xiaolin Zhu, Bin Cao, Xiaoming He
Summary: In this study, a MoSe2-SnS heterostructure material was constructed to improve rate performance and cyclability for Li/K storage through the electric-field effect generated by heterointerfaces accelerating charge transfer kinetics. When used to construct K-ion capacitors, the material exhibited outstanding performance and long lifespan.
ENERGY STORAGE MATERIALS
(2021)
Article
Chemistry, Physical
Peng Cui, Xiaolin Zhu, Yuan Xue
Summary: By conducting DFT-based studies, this research analyzed the energy level alignment and electronic couplings between Ru505 dye and a CdSe quantum dot, revealing that structures with two carboxylate anchors had the most stable adsorption on the QD surface. These structures showed favorable electronic couplings for electron transfer, back electron transfer, and hole extraction, reducing the likelihood of photoexcited electrons returning to the QD ground state. Introducing a cyano group to couple the dye to the QD surface stabilized the dye's occupied orbitals, making hole extraction thermodynamically unfavorable.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Danfeng Wang, Hai Huang, Xiaolin Zhu
Summary: The study synthesized and characterized a series of organophotocatalysts with an anthrazoline framework. These photocatalysts demonstrated efficient catalytic properties in promoting C-N bond formation, leading to the synthesis of various amines and amides with high yields (up to 96%).
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Senqiang Zhu, Qing Zhang, Qianqian Pan, Jinyang Hu, Rui Liu, Guangliang Song, Hongjun Zhu
Summary: Efficient nonlinear optical (NLO) materials are developed by incorporating organometallic Pt(II) complexes into carbon quantum dots (CQDs), exhibiting synergistic effect. The hybrid material exhibits unique transitions and improved NLO performance, including reverse saturable absorption (RSA) and nonlinear scattering responses.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Tengteng Wang, Xue Yang, Yufang Ma, Lei Chen, Meikun Shen, Yongdan Chen, Guangliang Song, Lei Wang, Yu Zhou, Jun Wang, Hongjun Zhu
Summary: This study successfully fabricated high-quality titanium silicalite-1 (TS-1) and revealed the active center in TS-1 as well as the role of ketones and oximes through various analytical methods. This is of great importance for understanding the catalytic oxidation process.
MOLECULAR CATALYSIS
(2022)
Article
Chemistry, Inorganic & Nuclear
Xiaolin Zhu, Hongya Miao, Yong Shan, Guangyuan Gao, Quan Gu, Qi Xiao, Xiaoming He
Summary: This study reports a novel strategy for the preparation of a 2D Janus film with self-assembled gold nanoparticles, which exhibits promising photocatalytic H-2 evolution activity.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Xiaolin Zhu, Qiujin Fan, Wei Luo, Danfeng Wang, Yihui Jia, Heyang Li, Zhen Wang, Qi Xiao, Xiaoming He
Summary: In this study, we present a readily prepared anthrazoline photocatalyst that can efficiently promote C-O bond formation reactions with the assistance of a Ni(II) complex. This method enables esterification (36 examples) and etherification (8 examples) with a wide scope, allowing coupling of aryl and alkyl halides with various carboxylic acids/alcohols. Our metal-free photocatalysts have significant potential applications, serving as an alternative to some iridium and ruthenium based photocatalysts, and are of potential importance to the pharmaceutical industry.
CHINESE JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Jieqing Wu, Jiwei Chen, Lei Wang, Hongjun Zhu, Rui Liu, Guangliang Song, Chao Feng, Yufeng Li
Summary: This study presents a Bronsted acid-promoted aerobic photo-oxygenation method for the efficient synthesis of aromatic acids and ketones. It eliminates the need for transition metal complexes or organic photosensitizers, which increases its potential for industrial applications.
Review
Chemistry, Inorganic & Nuclear
Danfeng Wang, Xin Wang, Shiyuan Zhou, Peiyang Gu, Xiaolin Zhu, Chengyuan Wang, Qichun Zhang
Summary: The BODIPY chromophore is a versatile fluorophore widely used in various research fields, especially in life science and material science. It has made significant advancements in the past decades, particularly as a photosensitizer. The key to practical applications lies in structural functionalization, and the evolution of BODIPY-based materials as photosensitizers is currently underway.
COORDINATION CHEMISTRY REVIEWS
(2023)
Article
Chemistry, Physical
Ling Chen, Xiaolin Zhu, Youzhi Zhang, Guangyuan Gao, Wenhao Xue, Sen Zhang, Xiujuan Wang, Qichun Zhang, Xiaoming He
Summary: The development of redox-active conjugated polymers with superior electrochemical performance and a uniform hierarchical structure is a highly rewarding direction for improving the performance of organic hybrid batteries. Viologen-based compounds, as strong electron acceptors, have desirable and tunable redox properties, making them suitable candidates for battery applications. This work presents the preparation of a fibrous, conjugated porous polymer P1 with promising reversible redox properties and high capacity and cycling stability, providing a promising approach for the development of novel organic electrodes for sustainable and durable rechargeable batteries.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Polymer Science
Youzhi Zhang, Na Zhou, Xiaolin Zhu, Xiaoming He
Summary: Research in controlled supramolecular polymerization has shown that molecular design plays a critical role in the dynamic self-assembly process, leading to the formation of different molecular packings. The study unveiled two distinct pathways during self-assembly, with one forming a metastable J-aggregate and the other forming a thermodynamically stable H-aggregate. Analysis of the transformation and formation mechanisms of these aggregates has been conducted using various spectroscopic techniques.
