1
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Doellerer D, Rückert AK, Doria S, Hilbers M, Simeth NA, Buma WJ, Di Donato M, Feringa BL, Szymanski W, Crespi S. Modulation of the isomerization of iminothioindoxyl switches by supramolecular confinement. Chem Commun (Camb) 2024. [PMID: 39132823 DOI: 10.1039/d4cc02423k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/13/2024]
Abstract
Here we present the formation of an iminothioindoxyl (ITI)⊂Cage complex that retains the photochemical properties of the photoswitch within a confined environment in water. At the same time, besides ultrafast switching inside the cage, the ITI photoswitch displays an intriguing bifurcation of the excited state isomerization pathway when encapsulated.
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Affiliation(s)
- Daniel Doellerer
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.
| | - Ann-Kathrin Rückert
- Department of Chemistry - Ångström Laboratory, Uppsala University, Box 523, 751 20 Uppsala, Sweden.
| | - Sandra Doria
- ICCOM-CNR, via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy.
- Laboratorio Europeo di Spettroscopia Non Lineare (LENS), via N. Carrara 1, 50019 Sesto Fiorentino, Italy
| | - Michiel Hilbers
- Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Nadja A Simeth
- Institute for Organic and Biomolecular Chemistry, Department of Chemistry, University of Göttingen, Tammannstr. 2, 37077, Göttingen, Germany
| | - Wybren Jan Buma
- Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
- Institute for Molecules and Materials, FELIX Laboratory, Radboud University, Toernooiveld 7c, 6525 ED, Nijmegen, The Netherlands
| | - Mariangela Di Donato
- ICCOM-CNR, via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy.
- Laboratorio Europeo di Spettroscopia Non Lineare (LENS), via N. Carrara 1, 50019 Sesto Fiorentino, Italy
| | - Ben L Feringa
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.
| | - Wiktor Szymanski
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.
- Medical Imaging Center, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Stefano Crespi
- Department of Chemistry - Ångström Laboratory, Uppsala University, Box 523, 751 20 Uppsala, Sweden.
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2
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Das N, Maity C. Multi-Colored Aqueous Ink for Rewritable Paper. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403512. [PMID: 39011973 DOI: 10.1002/smll.202403512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 06/30/2024] [Indexed: 07/17/2024]
Abstract
As sustainable and eco-friendly replacements to conventional paper, rewritable paper is a very attractive alternative for communication, information circulation, and storage. Development is made for rewritable paper using chromogenic materials that change its color in presence of external stimuli. However, the new techniques have faced several major challenges including feasible operational method, eco-friendly approach. Herein, a simple, convenient, and eco-friendly strategy is described for the preparation of rewritable paper substrate, and multi colored ink for efficient use in writing, painting or printing purpose. In addition, writing with "invisible ink" on the rewritable paper can be realized for potential anti-counterfeiting application. The written, painted, or printed information on the paper substrate can be easily erased using an aqueous solution. Thus, the original paper can be retrieved and the paper substrate can be reused multiple times. Besides, the written or printed information can be retained for a prolonged time at ambient conditions. Overall, this approach shows the rewritable paper as a prototype of multicolor writing/painting application, offering a sustainable solution for reducing paper waste and promoting environmental stewardship.
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Affiliation(s)
- Nikita Das
- (Organic)Material Science and Engineering Laboratory, Department of Chemistry, School of Advanced Sciences, and Centre for Nanobiotechnology (CNBT), Vellore Institute of Technology (VIT), Vellore campus, Vellore, Tamil Nadu, 632014, India
| | - Chandan Maity
- (Organic)Material Science and Engineering Laboratory, Department of Chemistry, School of Advanced Sciences, and Centre for Nanobiotechnology (CNBT), Vellore Institute of Technology (VIT), Vellore campus, Vellore, Tamil Nadu, 632014, India
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3
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Zhong W, Shang L. Photoswitching the fluorescence of nanoparticles for advanced optical applications. Chem Sci 2024; 15:6218-6228. [PMID: 38699274 PMCID: PMC11062085 DOI: 10.1039/d4sc00114a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Accepted: 03/25/2024] [Indexed: 05/05/2024] Open
Abstract
The dynamic optical response properties and the distinct features of nanomaterials make photoswitchable fluorescent nanoparticles (PF NPs) attractive candidates for advanced optical applications. Over the past few decades, the design of PF NPs by coupling photochromic and fluorescent motifs at the nanoscale has been actively pursued, and substantial efforts have been made to exploit their potential applications. In this perspective, we critically summarize various design principles for fabricating these PF NPs. Then, we discuss their distinct optical properties from different aspects by highlighting the capability of NPs in fabricating new, robust photoswitch systems. Afterwards, we introduce the pivotal role of PF NPs in advanced optical applications, including sensing, anti-counterfeiting and imaging. Finally, current challenges and future development of PF NPs are briefly discussed.
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Affiliation(s)
- Wencheng Zhong
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU) Xi'an 710072 China
| | - Li Shang
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU) Xi'an 710072 China
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen Shenzhen 518057 China
- Chongqing Science and Technology Innovation Center of Northwestern Polytechnical University Chongqing 401135 China
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4
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Wang W, Yang W, Zhang Z, Dai J, Xu Y, Zhang J. Amplifying dual-visible-light photoswitching in aqueous media via confinement promoted triplet-triplet energy transfer. Chem Sci 2024; 15:5539-5547. [PMID: 38638239 PMCID: PMC11023046 DOI: 10.1039/d4sc00423j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 03/06/2024] [Indexed: 04/20/2024] Open
Abstract
Achieving visible-light photochromism is a long-term goal of chemists keen to exploit the opportunities of molecular photoswitches in multi-disciplinary research studies. Triplet-sensitization offers a flexible approach to building diverse visible-light photoswitches using existing photochromic scaffolds, circumventing the need for sophisticated molecular design and synthesis. Unfortunately, distance-dependence and environment-sensitivity of triplet-excited species remain as key challenges that severely impair sensitization efficiency and limit their practical availability. We present herein a nature-inspired nanoconfinement strategy in which a triplet-sensitized visible-light photoswitch/sensitizer system is assembled into nanoconfined micelles (d ∼ 40 nm). A ca. 10-fold efficiency increase of triplet-triplet energy transfer for photochromism as well as an amplified fluorescence on/off contrast upon bi-directional visible-light excitation (470/560 nm) was achieved in full aqueous media. By virtue of this, the hybrid photoswitchable system is successfully applied for both flash information encryption and multiple dynamic cell imaging assays, further proving its versatility in materials and life science.
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Affiliation(s)
- Wenhui Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Weixin Yang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Zhiwei Zhang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Jinghong Dai
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Yisheng Xu
- State Key Laboratory of Chemical Engineering, East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Junji Zhang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
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5
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de Vries A, Goloviznina K, Reiter M, Salanne M, Lukatskaya MR. Solvation-Tuned Photoacid as a Stable Light-Driven pH Switch for CO 2 Capture and Release. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2024; 36:1308-1317. [PMID: 38385123 PMCID: PMC10877570 DOI: 10.1021/acs.chemmater.3c02435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 11/22/2023] [Accepted: 11/28/2023] [Indexed: 02/23/2024]
Abstract
Photoacids are organic molecules that release protons under illumination, providing spatiotemporal control of the pH. Such light-driven pH switches offer the ability to cyclically alter the pH of the medium and are highly attractive for a wide variety of applications, including CO2 capture. Although photoacids such as protonated merocyanine can enable fully reversible pH cycling in water, they have a limited chemical stability against hydrolysis (<24 h). Moreover, these photoacids have low solubility, which limits the pH-switching ability in a buffered solution such as dissolved CO2. In this work, we introduce a simple pathway to dramatically increase stability and solubility of photoacids by tuning their solvation environment in binary solvent mixtures. We show that a preferential solvation of merocyanine by aprotic solvent molecules results in a 60% increase in pH modulation magnitude when compared to the behavior in pure water and can withstand stable cycling for >350 h. Our results suggest that a very high stability of merocyanine photoacids can be achieved in the right solvent mixtures, offering a way to bypass complex structural modifications of photoacid molecules and serving as the key milestone toward their application in a photodriven CO2 capture process.
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Affiliation(s)
- Anna de Vries
- Electrochemical
Energy Systems Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
| | - Kateryna Goloviznina
- Sorbonne
Université, CNRS, Physico-Chimie des Électrolytes et
Nanosystèmes Interfaciaux, PHENIX, F-75005 Paris, France
| | - Manuel Reiter
- Electrochemical
Energy Systems Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
| | - Mathieu Salanne
- Sorbonne
Université, CNRS, Physico-Chimie des Électrolytes et
Nanosystèmes Interfaciaux, PHENIX, F-75005 Paris, France
- Institut
Universitaire de France (IUF), 75231 Paris, France
| | - Maria R. Lukatskaya
- Electrochemical
Energy Systems Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
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6
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Zhang J, Qin S, Zhang S, Sun C, Ren Y, Zhang L, Liu J, Xiao J, Hu W, Yang H, Yang D. Programmable Dynamic Information Storage Composite Film with Highly Sensitive Thermochromism and Gradually Adjustable Fluorescence. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2305872. [PMID: 38016803 DOI: 10.1002/adma.202305872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 10/27/2023] [Indexed: 11/30/2023]
Abstract
The development of an integrated material system capable of effectively organizing and combining multisource information, such as dynamic pigmentary, structural, and fluorescent colors, is significant and challenging. Achieving such programmable dynamic information storage can considerably enhance the diversity and security of information deliveries. Here, a polymer-stabilized cholesteric liquid crystal system with highly temperature-sensitive structural color and light-sensitive pigmentary and fluorescence colors is presented. The prepared cholesteric liquid crystals (clcs) can reversibly change their structural color from red to blue within variational 3 °C near room temperature, and exhibit a gradually adjustable fluorescence which can transform from blue to pink and finally to bright red. All this dynamic information is programmable and tailored, hundreds of thousands of (>540 000) pattern combinations can easily be achieved by optical writing with a "bagua" pattern photomask. Therefore, if the corresponding code combinations to the pattern are assigned particular meanings, encrypted transmission of information with very high security can be achieved by utilizing applicable information encoding tables and decryption rules.
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Affiliation(s)
- Jianying Zhang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Shengyu Qin
- Department of Materials Science and Engineering College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Shuoning Zhang
- Department of Materials Science and Engineering College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Chang Sun
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Yunxiao Ren
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Lanying Zhang
- Department of Materials Science and Engineering College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Jiale Liu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Jiumei Xiao
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Wei Hu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, P. R. China
- Department of Materials Science and Engineering College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Huai Yang
- Department of Materials Science and Engineering College of Engineering, Peking University, Beijing, 100871, P. R. China
| | - Dengke Yang
- Chemical Physics Interdisciplinary Program in Liquid Crystal Institute, Kent State University, Kent, OH 44242, USA
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7
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Wang Z, Zhang S, Tang B. Large-Area Rewritable Paper Based on Polyurethane Inverse Photonic Glass with Durable High-Resolution Information Storage and Structural Stability. ACS NANO 2024; 18:186-198. [PMID: 38126306 DOI: 10.1021/acsnano.3c05325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
To alleviate the negative effects of resource waste and environmental pollution caused by the excessive use of paper, technologies for rewritable paper have received widespread attention and in-depth research. Despite the growing interest in rewritable paper, meeting the requirements of large-scale preparation, long-lasting information storage time, high reversibility, and good environmental stability remains a huge challenge for this technology. This study developed a solvent-responsive copolymerized polyurethane-based rewritable paper with an inverse photonic glass structure (co-PUIPG paper). Comprehensive writing modes, including handwriting, spraying, and printing, were realized by using the swelling effect of different solvents and the local force field formed by capillary force to control the deformation degree of the inverse photonic glass structure. Co-PUIPG paper can persistently store high-resolution information and has a green and environmentally friendly "write-erase" method. Meanwhile, it exhibits good rewritability, as well as high mechanical strength and exceptional resistance to environmental factors, such as friction, high temperature, and sunlight. Because the spraying method can prepare templates quickly and extensively and polyurethane materials are economical, co-PUIPG rewritable paper possesses great potential as a substitute for commercial fiber paper and its industrialization is full of great possibilities.
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Affiliation(s)
- Zhenzhi Wang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, People's Republic of China
| | - Shufen Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, People's Republic of China
| | - Bingtao Tang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, People's Republic of China
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8
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Wang R, Li WB, Deng JY, Han H, Chen FY, Li DY, Jing LB, Song Z, Fu R, Guo DS, Cai K. Adaptive and Ultrahigh-Affinity Recognition in Water by Sulfated Conjugated Corral[5]arene. Angew Chem Int Ed Engl 2023:e202317402. [PMID: 38078790 DOI: 10.1002/anie.202317402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Indexed: 12/29/2023]
Abstract
The pursuit of synthetic receptors with high binding affinities has long been a central focus in supramolecular chemistry, driven by their significant practical relevance in various fields. Despite the numerous synthetic receptors that have been developed, most exhibit binding affinities in the micromolar range or lower. Only a few exceptional receptors achieve binding affinities exceeding 109 M-1 , and their substrate scopes remain rather limited. In this context, we introduce SC[5]A, a conjugated corral-shaped macrocycle functionalized with ten sulfate groups. Owing to its deep one-dimensional confined hydrophobic cavity and multiple sulfate groups, SC[5]A displays an extraordinarily high binding strength of up to 1011 M-1 towards several size-matched, rod-shaped organic dications in water. Besides, its conformation exhibits good adaptability, allowing it to encapsulate a wide range of other guests with diverse molecular sizes, shapes, and functionalities, exhibiting relatively strong affinities (Ka =106 -108 M-1 ). Additionally, we've explored the preliminary application of SC[5]A in alleviating blood coagulation induced by hexadimethrine bromide in vitro and in vivo. Therefore, the combination of ultrahigh binding affinities (towards complementary guests) and adaptive recognition capability (towards a wide range of functional guests) of SC[5]A positions it as exceptionally valuable for numerous practical applications.
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Affiliation(s)
- Ruiguo Wang
- College of Chemistry, Nankai University, 94 Weijin Road, 300071, Tianjin, China
| | - Wen-Bo Li
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Key Laboratory of Functional Polymer Materials (Ministry of Education), Frontiers Science Center for New Organic Matter, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 300071, Tianjin, China
| | - Jia-Ying Deng
- College of Chemistry, Nankai University, 94 Weijin Road, 300071, Tianjin, China
| | - Han Han
- College of Chemistry, The University of Hong Kong, Pokfulam Road, 999077, Hong Kong SAR, China
| | - Fang-Yuan Chen
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Key Laboratory of Functional Polymer Materials (Ministry of Education), Frontiers Science Center for New Organic Matter, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 300071, Tianjin, China
| | - Dai-Yuan Li
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Key Laboratory of Functional Polymer Materials (Ministry of Education), Frontiers Science Center for New Organic Matter, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 300071, Tianjin, China
| | - Li-Bo Jing
- College of Chemistry, Nankai University, 94 Weijin Road, 300071, Tianjin, China
| | - Zihang Song
- College of Chemistry, Nankai University, 94 Weijin Road, 300071, Tianjin, China
| | - Rong Fu
- College of Chemistry, Nankai University, 94 Weijin Road, 300071, Tianjin, China
| | - Dong-Sheng Guo
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Key Laboratory of Functional Polymer Materials (Ministry of Education), Frontiers Science Center for New Organic Matter, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 300071, Tianjin, China
| | - Kang Cai
- College of Chemistry, Nankai University, 94 Weijin Road, 300071, Tianjin, China
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9
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Chakraborty D, Ali S, Choudhury P, Hickey N, Mukherjee PS. Cavity-Shape-Dependent Divergent Chemical Reaction inside Aqueous Pd 6L 4 Cages. J Am Chem Soc 2023. [PMID: 38019887 DOI: 10.1021/jacs.3c10191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Chemical reactions inside the confined pockets of enzyme-mimicking hosts, such as cages and macrocycles, have been an emerging field of interest over the past decade. Although many such reactions are known, the use of such cages toward the divergent synthesis of nonisomeric products has not been well explored. Divergent synthesis is a technique of forming two or more distinct products from the same reagents by changing the catalyst or reaction conditions. Changing the shape of the cage can also change the nature and magnitude of the host-guest interactions. Thus, is it possible for such changes to cause differences in the reaction pathways leading to formation of nonisomeric products? Herein, we report a divergent chemical transformation of anthrone [anthracen-9(10H)-one] inside different water-soluble M6L4 cages. When anthrone was encapsulated inside a newly synthesized M6L4 octahedral cage 1, it dimerized to form dianthrone [9,9'-bianthracen-10,10'(9H,9'H)-dione]. In contrast, when the same chemical reaction was performed inside a M6L4 double-square shaped cage 2, it was oxidized to form anthraquinone [anthracene-9,10-dione]. Similar results were obtained with a different set of isomeric aqueous Pd6 cages 3a (octahedral cage) and 3b (double-square cage), indicating the dependence of the shape of cavity on the divergent synthesis. The present report demonstrates a unique example of different outcomes/results of a reaction depending on the shape of the molecular container, which was driven by the host-guest interactions and the preorganization of the substrates.
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Affiliation(s)
- Debsena Chakraborty
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Shamsad Ali
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Pritam Choudhury
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Neal Hickey
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste 34127, Italy
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
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10
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Thaggard GC, Park KC, Lim J, Maldeni Kankanamalage BKP, Haimerl J, Wilson GR, McBride MK, Forrester KL, Adelson ER, Arnold VS, Wetthasinghe ST, Rassolov VA, Smith MD, Sosnin D, Aprahamian I, Karmakar M, Bag SK, Thakur A, Zhang M, Tang BZ, Castaño JA, Chaur MN, Lerch MM, Fischer RA, Aizenberg J, Herges R, Lehn JM, Shustova NB. Breaking the photoswitch speed limit. Nat Commun 2023; 14:7556. [PMID: 37985777 PMCID: PMC10660956 DOI: 10.1038/s41467-023-43405-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 11/07/2023] [Indexed: 11/22/2023] Open
Abstract
The forthcoming generation of materials, including artificial muscles, recyclable and healable systems, photochromic heterogeneous catalysts, or tailorable supercapacitors, relies on the fundamental concept of rapid switching between two or more discrete forms in the solid state. Herein, we report a breakthrough in the "speed limit" of photochromic molecules on the example of sterically-demanding spiropyran derivatives through their integration within solvent-free confined space, allowing for engineering of the photoresponsive moiety environment and tailoring their photoisomerization rates. The presented conceptual approach realized through construction of the spiropyran environment results in ~1000 times switching enhancement even in the solid state compared to its behavior in solution, setting a record in the field of photochromic compounds. Moreover, integration of two distinct photochromic moieties in the same framework provided access to a dynamic range of rates as well as complementary switching in the material's optical profile, uncovering a previously inaccessible pathway for interstate rapid photoisomerization.
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Affiliation(s)
- Grace C Thaggard
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Kyoung Chul Park
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Jaewoong Lim
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | | | - Johanna Haimerl
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstrasse 4, 85748, Garching, Germany
| | - Gina R Wilson
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Margaret K McBride
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Kelly L Forrester
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Esther R Adelson
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Virginia S Arnold
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Shehani T Wetthasinghe
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Vitaly A Rassolov
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Mark D Smith
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA
| | - Daniil Sosnin
- Department of Chemistry, Dartmouth College, Hanover, NH, 03755, USA
| | - Ivan Aprahamian
- Department of Chemistry, Dartmouth College, Hanover, NH, 03755, USA
| | - Manisha Karmakar
- Department of Chemistry, Jadavpur University, 700032, Kolkata, India
| | - Sayan Kumar Bag
- Department of Chemistry, Jadavpur University, 700032, Kolkata, India
| | - Arunabha Thakur
- Department of Chemistry, Jadavpur University, 700032, Kolkata, India
| | - Minjie Zhang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Ben Zhong Tang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong Shenzhen, Guangdong, 518172, China
- Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou, 510640, China
- AIE Institute, Guangzhou Development District, Huangpu, Guangzhou, 510530, China
| | - Jorge A Castaño
- Departamento de Química, Universidad del Valle, AA 25360, Cali, Colombia
| | - Manuel N Chaur
- Departamento de Química, Universidad del Valle, AA 25360, Cali, Colombia
- Centro de Excelencia en Neuvos Materiales (CENM), Universidad del Valle, AA 25360, Cali, Colombia
| | - Michael M Lerch
- Stratingh Institute for Chemistry, University of Groningen, 9747 AG, Groningen, The Netherlands
| | - Roland A Fischer
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstrasse 4, 85748, Garching, Germany
| | - Joanna Aizenberg
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, 02138, USA
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
| | - Rainer Herges
- Otto Diels Institute of Organic Chemistry, University of Kiel, 24118, Kiel, Germany
| | - Jean-Marie Lehn
- Laboratoire de Chimie Supramoléculaire, Institut de Science et d'Ingénierie Supramoléculaires (ISIS), Université de Strasbourg, 67000, Strasbourg, France
| | - Natalia B Shustova
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, 29208, USA.
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11
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Hema K, Grommet AB, Białek MJ, Wang J, Schneider L, Drechsler C, Yanshyna O, Diskin-Posner Y, Clever GH, Klajn R. Guest Encapsulation Alters the Thermodynamic Landscape of a Coordination Host. J Am Chem Soc 2023; 145. [PMID: 37917939 PMCID: PMC10655118 DOI: 10.1021/jacs.3c08666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/04/2023] [Accepted: 10/05/2023] [Indexed: 11/04/2023]
Abstract
The architecture of self-assembled host molecules can profoundly affect the properties of the encapsulated guests. For example, a rigid cage with small windows can efficiently protect its contents from the environment; in contrast, tube-shaped, flexible hosts with large openings and an easily accessible cavity are ideally suited for catalysis. Here, we report a "Janus" nature of a Pd6L4 coordination host previously reported to exist exclusively as a tube isomer (T). We show that upon encapsulating various tetrahedrally shaped guests, T can reconfigure into a cage-shaped host (C) in quantitative yield. Extracting the guest affords empty C, which is metastable and spontaneously relaxes to T, and the T⇄C interconversion can be repeated for multiple cycles. Reversible toggling between two vastly different isomers paves the way toward controlling functional properties of coordination hosts "on demand".
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Affiliation(s)
- Kuntrapakam Hema
- Department
of Organic Chemistry, Weizmann Institute
of Science, Rehovot 76100, Israel
| | - Angela B. Grommet
- Department
of Organic Chemistry, Weizmann Institute
of Science, Rehovot 76100, Israel
| | - Michał J. Białek
- Department
of Chemistry, University of Wrocław, 14 F. Joliot-Curie St., 50383 Wrocław, Poland
| | - Jinhua Wang
- Department
of Organic Chemistry, Weizmann Institute
of Science, Rehovot 76100, Israel
| | - Laura Schneider
- Department
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn Straße 6, 44227 Dortmund, Germany
| | - Christoph Drechsler
- Department
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn Straße 6, 44227 Dortmund, Germany
| | - Oksana Yanshyna
- Department
of Organic Chemistry, Weizmann Institute
of Science, Rehovot 76100, Israel
| | - Yael Diskin-Posner
- Chemical
Research Support, Weizmann Institute of
Science, Rehovot 76100, Israel
| | - Guido H. Clever
- Department
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn Straße 6, 44227 Dortmund, Germany
| | - Rafal Klajn
- Department
of Organic Chemistry, Weizmann Institute
of Science, Rehovot 76100, Israel
- Institute
of Science and Technology Austria, Am Campus 1, A-3400 Klosterneuburg, Austria
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12
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Li J, Jia X. Photo-Controlled Self-Assembly of Nanoparticles: A Promising Strategy for Development of Novel Structures. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2562. [PMID: 37764591 PMCID: PMC10535597 DOI: 10.3390/nano13182562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/10/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023]
Abstract
Photo-controlled self-assembly of nanoparticles (NPs) is an advanced and promising approach to address a series of material issues from the molecular level to the nano/micro scale, owing to the fact that light stimulus is typically precise and rapid, and can provide contactless spatial and temporal control. The traditional photo-controlled assembly of NPs is based on photochemical processes through NPs modified by photo-responsive molecules, which are realized through the change in chemical structure under irradiation. Moreover, photoexcitation-induced assembly of NPs is another promising physical strategy, and such a strategy aims to employ molecular conformational change in the excited state (rather than the chemical structure) to drive molecular motion and assembly. The exploration and control of NP assembly through such a photo-controlled strategy can open a new paradigm for scientists to deal with "bottom-up" behaviors and develop unprecedented optoelectronic functional materials.
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Affiliation(s)
| | - Xiaoyong Jia
- Henan Key Laboratory of Photovoltaic Materials, College of Future Technical, Henan University, Kaifeng 475004, China;
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13
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Wilson GR, Park KC, Thaggard GC, Martin CR, Hill AR, Haimerl J, Lim J, Maldeni Kankanamalage BKP, Yarbrough BJ, Forrester KL, Fischer RA, Pellechia PJ, Smith MD, Garashchuk S, Shustova NB. Cooperative and Orthogonal Switching in the Solid State Enabled by Metal-Organic Framework Confinement Leading to a Thermo-Photochromic Platform. Angew Chem Int Ed Engl 2023; 62:e202308715. [PMID: 37486788 DOI: 10.1002/anie.202308715] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/18/2023] [Accepted: 07/24/2023] [Indexed: 07/26/2023]
Abstract
Cooperative behavior and orthogonal responses of two classes of coordinatively integrated photochromic molecules towards distinct external stimuli were demonstrated on the first example of a photo-thermo-responsive hierarchical platform. Synergetic and orthogonal responses to temperature and excitation wavelength are achieved by confining the stimuli-responsive moieties within a metal-organic framework (MOF), leading to the preparation of a novel photo-thermo-responsive spiropyran-diarylethene based material. Synergistic behavior of two photoswitches enables the study of stimuli-responsive resonance energy transfer as well as control of the photoinduced charge transfer processes, milestones required to advance optoelectronics development. Spectroscopic studies in combination with theoretical modeling revealed a nonlinear effect on the material electronic structure arising from the coordinative integration of photoresponsive molecules with distinct photoisomerization mechanisms. Thus, the reported work covers multivariable facets of not only fundamental aspects of photoswitch cooperativity, but also provides a pathway to modulate photophysics and electronics of multidimensional functional materials exhibiting thermo-photochromism.
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Affiliation(s)
- Gina R Wilson
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Kyoung Chul Park
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Grace C Thaggard
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Corey R Martin
- Savannah River National Laboratory, Aiken, SC 29808, USA
| | - Austin R Hill
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Johanna Haimerl
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstrasse 4, 85748, Garching, Germany
| | - Jaewoong Lim
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | | | - Brandon J Yarbrough
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Kelly L Forrester
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Roland A Fischer
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstrasse 4, 85748, Garching, Germany
| | - Perry J Pellechia
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Mark D Smith
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Sophya Garashchuk
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Natalia B Shustova
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
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14
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Han H, Huang Y, Tang C, Liu Y, Krzyaniak MD, Song B, Li X, Wu G, Wu Y, Zhang R, Jiao Y, Zhao X, Chen XY, Wu H, Stern CL, Ma Y, Qiu Y, Wasielewski MR, Stoddart JF. Spin-Frustrated Trisradical Trication of PrismCage. J Am Chem Soc 2023; 145:18402-18413. [PMID: 37578165 DOI: 10.1021/jacs.3c04340] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Organic trisradicals featuring threefold symmetry have attracted significant interest because of their unique magnetic properties associated with spin frustration. Herein, we describe the synthesis and characterization of a triangular prism-shaped organic cage for which we have coined the name PrismCage6+ and its trisradical trication─TR3(•+). PrismCage6+ is composed of three 4,4'-bipyridinium dications and two 1,3,5-phenylene units bridged by six methylene groups. In the solid state, PrismCage6+ adopts a highly twisted conformation with close to C3 symmetry as a result of encapsulating one PF6- anion as a guest. PrismCage6+ undergoes stepwise reduction to its mono-, di-, and trisradical cations in MeCN on account of strong electronic communication between its 4,4'-bipyridinium units. TR3(•+), which is obtained by the reduction of PrismCage6+ employing CoCp2, adopts a triangular prism-shaped conformation with close to C2v symmetry in the solid state. Temperature-dependent continuous-wave and nutation-frequency-selective electron paramagnetic resonance spectra of TR3(•+) in frozen N,N-dimethylformamide indicate its doublet ground state. The doublet-quartet energy gap of TR3(•+) is estimated to be -0.08 kcal mol-1, and the critical temperature of spin-state conversion is found to be ca. 50 K, suggesting that it displays pronounced spin frustration at the molecular level. To the best of our knowledge, this example is the first organic radical cage to exhibit spin frustration. The trisradical trication of PrismCage6+ opens up new possibilities for fundamental investigations and potential applications in the fields of both organic cages and spin chemistry.
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Affiliation(s)
- Han Han
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Yuheng Huang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Center for Molecular Quantum Transduction, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Institute for Sustainability and Energy at Northwestern, Northwestern University, Evanston, Illinois 60208, United States
| | - Chun Tang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Yiming Liu
- Beijing National Laboratory for Molecular Sciences, Centre for the Soft Matter Science and Engineering, The Key Lab of Polymer Chemistry & Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Matthew D Krzyaniak
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Center for Molecular Quantum Transduction, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Institute for Sustainability and Energy at Northwestern, Northwestern University, Evanston, Illinois 60208, United States
| | - Bo Song
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Xuesong Li
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Guangcheng Wu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Yong Wu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Ruihua Zhang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Yang Jiao
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Xingang Zhao
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Xiao-Yang Chen
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Huang Wu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Charlotte L Stern
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Yuguo Ma
- Beijing National Laboratory for Molecular Sciences, Centre for the Soft Matter Science and Engineering, The Key Lab of Polymer Chemistry & Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Yunyan Qiu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Republic of Singapore
| | - Michael R Wasielewski
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Center for Molecular Quantum Transduction, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Institute for Sustainability and Energy at Northwestern, Northwestern University, Evanston, Illinois 60208, United States
| | - J Fraser Stoddart
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311215, China
- School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
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15
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Kuttruff J, Romanelli M, Pedrueza-Villalmanzo E, Allerbeck J, Fregoni J, Saavedra-Becerril V, Andréasson J, Brida D, Dmitriev A, Corni S, Maccaferri N. Sub-picosecond collapse of molecular polaritons to pure molecular transition in plasmonic photoswitch-nanoantennas. Nat Commun 2023; 14:3875. [PMID: 37414750 DOI: 10.1038/s41467-023-39413-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 06/09/2023] [Indexed: 07/08/2023] Open
Abstract
Molecular polaritons are hybrid light-matter states that emerge when a molecular transition strongly interacts with photons in a resonator. At optical frequencies, this interaction unlocks a way to explore and control new chemical phenomena at the nanoscale. Achieving such control at ultrafast timescales, however, is an outstanding challenge, as it requires a deep understanding of the dynamics of the collectively coupled molecular excitation and the light modes. Here, we investigate the dynamics of collective polariton states, realized by coupling molecular photoswitches to optically anisotropic plasmonic nanoantennas. Pump-probe experiments reveal an ultrafast collapse of polaritons to pure molecular transition triggered by femtosecond-pulse excitation at room temperature. Through a synergistic combination of experiments and quantum mechanical modelling, we show that the response of the system is governed by intramolecular dynamics, occurring one order of magnitude faster with respect to the uncoupled excited molecule relaxation to the ground state.
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Affiliation(s)
- Joel Kuttruff
- Department of Physics, University of Konstanz, Universitätsstraße 10, 78464, Konstanz, Germany
| | - Marco Romanelli
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131, Padova, Italy
| | - Esteban Pedrueza-Villalmanzo
- Department of Physics, University of Gothenburg, Origovägen 6B, 412 96, Gothenburg, Sweden
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Kemigården 4, 412 96, Göteborg, Sweden
| | - Jonas Allerbeck
- Department of Physics, University of Konstanz, Universitätsstraße 10, 78464, Konstanz, Germany
- nanotech@surfaces Laboratory, Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600, Dübendorf, Switzerland
| | - Jacopo Fregoni
- Department of Physics, Universidad Autónoma de Madrid, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | - Valeria Saavedra-Becerril
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Kemigården 4, 412 96, Göteborg, Sweden
| | - Joakim Andréasson
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Kemigården 4, 412 96, Göteborg, Sweden
| | - Daniele Brida
- Department of Physics and Materials Science, University of Luxembourg, 162a avenue de la Faïencerie, L-1511, Luxembourg, Luxembourg
| | - Alexandre Dmitriev
- Department of Physics, University of Gothenburg, Origovägen 6B, 412 96, Gothenburg, Sweden.
| | - Stefano Corni
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131, Padova, Italy.
- CNR Institute of Nanoscience, via Campi 213/A, 41125, Modena, Italy.
| | - Nicolò Maccaferri
- Department of Physics and Materials Science, University of Luxembourg, 162a avenue de la Faïencerie, L-1511, Luxembourg, Luxembourg.
- Department of Physics, Umeå University, Linnaeus väg 24, 901 87, Umeå, Sweden.
- Umeå Centre for Microbial Research, Umeå University, 901 87, Umeå, Sweden.
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16
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Das G, Prakasam T, Alkhatib N, AbdulHalim RG, Chandra F, Sharma SK, Garai B, Varghese S, Addicoat MA, Ravaux F, Pasricha R, Jagannathan R, Saleh N, Kirmizialtin S, Olson MA, Trabolsi A. Light-driven self-assembly of spiropyran-functionalized covalent organic framework. Nat Commun 2023; 14:3765. [PMID: 37353549 PMCID: PMC10290075 DOI: 10.1038/s41467-023-39402-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 06/13/2023] [Indexed: 06/25/2023] Open
Abstract
Controlling the number of molecular switches and their relative positioning within porous materials is critical to their functionality and properties. The proximity of many molecular switches to one another can hinder or completely suppress their response. Herein, a synthetic strategy involving mixed linkers is used to control the distribution of spiropyran-functionalized linkers in a covalent organic framework (COF). The COF contains a spiropyran in each pore which exhibits excellent reversible photoswitching behavior to its merocyanine form in the solid state in response to UV/Vis light. The spiro-COF possesses an urchin-shaped morphology and exhibits a morphological transition to 2D nanosheets and vesicles in solution upon UV light irradiation. The merocyanine-equipped COFs are extremely stable and possess a more ordered structure with enhanced photoluminescence. This approach to modulating structural isomerization in the solid state is used to develop inkless printing media, while the photomediated polarity change is used for water harvesting applications.
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Affiliation(s)
- Gobinda Das
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Thirumurugan Prakasam
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Nour Alkhatib
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Rasha G AbdulHalim
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Falguni Chandra
- Chemistry Department, College of Science, United Arab Emirates University, P.O. Box 15551, Al-Ain, United Arab Emirates
| | - Sudhir Kumar Sharma
- Engineering Division, New York University Abu Dhabi (NYUAD), Abu Dhabi, United Arab Emirates
| | - Bikash Garai
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
- NYUAD Water Research Center, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Sabu Varghese
- CTP, New York University Abu Dhabi, 129188, Abu Dhabi, United Arab Emirates
| | - Matthew A Addicoat
- School of Science and Technology, Nottingham Trent University, Clifton Lane, NG11 8NS, Nottingham, UK
| | - Florent Ravaux
- Quantum research center, Technology Innovation Institute, P.O. Box 9639, Abu Dhabi, United Arab Emirates
| | - Renu Pasricha
- CTP, New York University Abu Dhabi, 129188, Abu Dhabi, United Arab Emirates
| | - Ramesh Jagannathan
- Engineering Division, New York University Abu Dhabi (NYUAD), Abu Dhabi, United Arab Emirates
| | - Na'il Saleh
- Chemistry Department, College of Science, United Arab Emirates University, P.O. Box 15551, Al-Ain, United Arab Emirates
- Zayed Center for Health Sciences, United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates
| | - Serdal Kirmizialtin
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
- Center for Smart Engineering Materials, New York University Abu Dhabi (NYUAD), Abu Dhabi, United Arab Emirates
| | - Mark A Olson
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, 6300 Ocean Dr., Corpus Christi, TX, 78412, USA.
| | - Ali Trabolsi
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates.
- NYUAD Water Research Center, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates.
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17
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Zhang D, Sun Y, Wang Z, Liu F, Zhang X. Switchable biomimetic nanochannels for on-demand SO 2 detection by light-controlled photochromism. Nat Commun 2023; 14:1901. [PMID: 37019894 PMCID: PMC10076267 DOI: 10.1038/s41467-023-37654-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 03/24/2023] [Indexed: 04/07/2023] Open
Abstract
In contrast to the conventional passive reaction to analytes, here, we create a proof-of-concept nanochannel system capable of on-demand recognition of the target to achieve an unbiased response. Inspired by light-activatable biological channelrhodopsin-2, photochromic spiropyran/anodic aluminium oxide nanochannel sensors are constructed to realize a light-controlled inert/active-switchable response to SO2 by ionic transport behaviour. We find that light can finely regulate the reactivity of the nanochannels for the on-demand detection of SO2. Pristine spiropyran/anodic aluminium oxide nanochannels are not reactive to SO2. After ultraviolet irradiation of the nanochannels, spiropyran isomerizes to merocyanine with a carbon‒carbon double bond nucleophilic site, which can react with SO2 to generate a new hydrophilic adduct. Benefiting from increasing asymmetric wettability, the proposed device exhibits a robust photoactivated detection performance in SO2 detection in the range from 10 nM to 1 mM achieved by monitoring the rectified current.
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Affiliation(s)
- Dan Zhang
- Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
| | - Yongjie Sun
- Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
| | - Zhichao Wang
- Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
| | - Fang Liu
- Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
| | - Xuanjun Zhang
- Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China.
- MOE Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau SAR, 999078, China.
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18
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Gödtel P, Starrett J, Pianowski ZL. Heterocyclic Hemipiperazines: Water-Compatible Peptide-Derived Photoswitches. Chemistry 2023; 29:e202204009. [PMID: 36790823 DOI: 10.1002/chem.202204009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/11/2023] [Accepted: 02/15/2023] [Indexed: 02/16/2023]
Abstract
Hemipiperazines are a recently discovered class of peptide-derived molecular photoswitches with high biocompatibility and therapeutic potential. Here, for the first time we describe photochromism of heterocyclic hemipiperazines. They demonstrate long thermal lifetimes, and enlarged band separation between photoisomers. Efficient photoisomerization occurs under aqueous conditions, although with a need for organic co-solvent. Bidirectional switching with visible light is observed for an extended aromatic system.
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Affiliation(s)
- Peter Gödtel
- Institute of Organic Chemistry, Karlsruhe Institute of Technology KIT, 76131, Karlsruhe, Germany
| | - Jessica Starrett
- Institute of Organic Chemistry, Karlsruhe Institute of Technology KIT, 76131, Karlsruhe, Germany
| | - Zbigniew L Pianowski
- Institute of Organic Chemistry, Karlsruhe Institute of Technology KIT, 76131, Karlsruhe, Germany
- Institute of Biological and Chemical Systems - FMS, Karlsruhe Institute of Technology KIT, 76344, Eggenstein-Leopoldshafen, Germany
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19
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Li C, Zhang C, Zhao R, Zhao N, Liu R, Zhang Y, Jia M, Wang S. Porous Electrospun Films with Reversible Photoresponsive Microenvironmental Humidity Regulation: A Controllable Hydrogen-Bonding Synergistic Effect Exhibited by Acrylic Acid Segments. ACS APPLIED MATERIALS & INTERFACES 2023; 15:6187-6201. [PMID: 36655841 DOI: 10.1021/acsami.2c20035] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Suitable relative humidity is essential for the preservation of cultural relics, food storage, and so on. A special material that can regulate the relative humidity in the microenvironment is particularly important. In this work, several innovative electrospun films with reversible photoresponsive wettability and the ability to regulate microenvironmental relative humidity were prepared. The spiropyran unit of the synthesized copolymer played the most important role in humidity regulation due to its reversible transition between a nonpolar ring-closed state and a polar ring-opened state induced by alternating ultraviolet/visible illumination. More interestingly, the introduction of acrylic acid segments exhibited a controllable hydrogen bond synergistic effect for increasing the range of humidity regulation. The color change and the reversible change ranges of wettability and microenvironmental relative humidity under ultraviolet/visible irradiation are all closely related to the number of acrylic acid segments. Cassie theory, density functional theory (DFT), and interaction region indicator (IRI) analysis were used to characterize this phenomenon. Electrospinning is a promising method to achieve large-scale production that can put such material into practical applications.
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Affiliation(s)
- Chunhao Li
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ce Zhang
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ruisheng Zhao
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ning Zhao
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Ruian Liu
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Yang Zhang
- Inner Mongolia Key Laboratory of Environmental Chemistry, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Meilin Jia
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
| | - Shuai Wang
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Huhhot010022, China
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20
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Kozlenko AS, Ozhogin IV, Pugachev AD, Lukyanova MB, El-Sewify IM, Lukyanov BS. A Modern Look at Spiropyrans: From Single Molecules to Smart Materials. Top Curr Chem (Cham) 2023; 381:8. [PMID: 36624333 DOI: 10.1007/s41061-022-00417-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 11/30/2022] [Indexed: 01/11/2023]
Abstract
Photochromic compounds of the spiropyran family have two main isomers capable of inter-switching with UV or visible light. In the current review, we discuss recent advances in the synthesis, investigation of properties, and applications of spiropyran derivatives. Spiropyrans of the indoline series are in focus as the most promising representatives of multi-sensitive spirocyclic compounds, which can be switched by a number of external stimuli, including light, temperature, pH, presence of metal ions, and mechanical stress. Particular attention is paid to the structural features of molecules, their influence on photochromic properties, and the reactions taking place during isomerization, as the understanding of the structure-property relationships will rationalize the synthesis of compounds with predetermined characteristics. The main prospects for applications of spiropyrans in such fields as smart material production, molecular electronics and nanomachinery, sensing of environmental and biological molecules, and photopharmacology are also discussed.
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Affiliation(s)
- Anastasia S Kozlenko
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia.
| | - Ilya V Ozhogin
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia
| | - Artem D Pugachev
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia
| | - Maria B Lukyanova
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia
| | - Islam M El-Sewify
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia.,Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Boris S Lukyanov
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia
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21
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Thaggard GC, Leith GA, Sosnin D, Martin CR, Park KC, McBride MK, Lim J, Yarbrough BJ, Maldeni Kankanamalage BKP, Wilson GR, Hill AR, Smith MD, Garashchuk S, Greytak AB, Aprahamian I, Shustova NB. Confinement-Driven Photophysics in Hydrazone-Based Hierarchical Materials. Angew Chem Int Ed Engl 2023; 62:e202211776. [PMID: 36346406 DOI: 10.1002/anie.202211776] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Indexed: 11/09/2022]
Abstract
Confinement-imposed photophysics was probed for novel stimuli-responsive hydrazone-based compounds demonstrating a conceptual difference in their behavior within 2D versus 3D porous matrices for the first time. The challenges associated with photoswitch isomerization arising from host interactions with photochromic compounds in 2D scaffolds could be overcome in 3D materials. Solution-like photoisomerization rate constants were realized for sterically demanding hydrazone derivatives in the solid state through their coordinative immobilization in 3D scaffolds. According to steady-state and time-resolved photophysical measurements and theoretical modeling, this approach provides access to hydrazone-based materials with fast photoisomerization kinetics in the solid state. Fast isomerization of integrated hydrazone derivatives allows for probing and tailoring resonance energy transfer (ET) processes as a function of excitation wavelength, providing a novel pathway for ET modulation.
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Affiliation(s)
- Grace C Thaggard
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Gabrielle A Leith
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Daniil Sosnin
- Department of Chemistry, Dartmouth College, Hanover, NH 03755, USA
| | - Corey R Martin
- Savannah River National Laboratory, Aiken, SC 29808, USA
| | - Kyoung Chul Park
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Margaret K McBride
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Jaewoong Lim
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Brandon J Yarbrough
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | | | - Gina R Wilson
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Austin R Hill
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Mark D Smith
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Sophya Garashchuk
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Andrew B Greytak
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
| | - Ivan Aprahamian
- Department of Chemistry, Dartmouth College, Hanover, NH 03755, USA
| | - Natalia B Shustova
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
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22
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Wu CH, Nhien PQ, Cuc TTK, Hue BTB, Lin HC. Designs and Applications of Multi-stimuli Responsive FRET Processes in AIEgen-Functionalized and Bi-fluorophoric Supramolecular Materials. Top Curr Chem (Cham) 2022; 381:2. [PMID: 36495421 DOI: 10.1007/s41061-022-00412-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 11/12/2022] [Indexed: 12/13/2022]
Abstract
Materials capable of displaying strong ratiometric fluorescence with Förster resonance energy transfer (FRET) processes have attracted much research interest because of various chemosensor and biomedical applications. This review highlights several popular strategies in designing FRET-OFF/ON mechanisms of ratiometric fluorescence systems. In particular, the developments of organic and polymeric FRET materials featuring aggregation-induced emission-based luminogens (AIEgens), supramolecular assemblies, photochromic molecular switches and surfactant-induced AIE/FRET mechanisms are presented. AIEgens have been frequently employed as FRET donor and/or acceptor fluorophores to obtain enhanced ratiometric fluorescences in solution and solid states. Since AIE effects and FRET processes rely on controllable distances between fluorophores, many interesting fluorescent properties can be designed by regulating aggregation states in polymers and supramolecular systems. Photo-switchable fluorophores, such as spiropyran and diarylethene, provide drastic changes in fluorescence spectra upon photo-induced isomerizations, leading to photo-switching mechanisms to activate/deactivate FRET processes. Supramolecular assemblies offer versatile platforms to regulate responsive FRET processes effectively. In rotaxane structures, the donor-acceptor distance and FRET efficiency can be tuned by acid/base-controlled shuttling of the macrocycle component. The tunable supramolecular interactions are strongly influenced by external factors (such as pH values, temperatures, analytes, surfactants, UV-visible lights, etc.), which induce the assembly and disassembly of host-guest systems and thus their FRET-ON/FRET-OFF behavior. In addition, the changes in donor or acceptor fluorescence profiles upon detections of analytes can also sufficiently alter the FRET behavior and result in different ratiometric fluorescence outputs. The strategies and examples provided in this review offer the insights and toolkits for future FRET-based material developments.
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Affiliation(s)
- Chia-Hua Wu
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, 300, Taiwan
| | - Pham Quoc Nhien
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, 300, Taiwan
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho, 94000, Viet Nam
| | - Tu Thi Kim Cuc
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, 300, Taiwan
| | - Bui Thi Buu Hue
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho, 94000, Viet Nam
| | - Hong-Cheu Lin
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, 300, Taiwan.
- Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu, 300, Taiwan.
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23
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Wang J, Avram L, Diskin-Posner Y, Białek MJ, Stawski W, Feller M, Klajn R. Altering the Properties of Spiropyran Switches Using Coordination Cages with Different Symmetries. J Am Chem Soc 2022; 144:21244-21254. [DOI: 10.1021/jacs.2c08901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Jinhua Wang
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Liat Avram
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Yael Diskin-Posner
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Michał J. Białek
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
- Department of Chemistry, University of Wrocław, 14 F. Joliot-Curie Street, 50383 Wrocław, Poland
| | - Wojciech Stawski
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Moran Feller
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Rafal Klajn
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
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24
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Li X, Cho S, Han GGD. Light-Responsive Solid-Solid Phase Change Materials for Photon and Thermal Energy Storage. ACS MATERIALS AU 2022; 3:37-42. [PMID: 36647455 PMCID: PMC9838185 DOI: 10.1021/acsmaterialsau.2c00055] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 01/19/2023]
Abstract
We report a series of adamantane-functionalized azobenzenes that store photon and thermal energy via reversible photoisomerization in the solid state for molecular solar thermal (MOST) energy storage. The adamantane unit serves as a 3D molecular separator that enables the spatial separation of azobenzene groups and results in their facile switching even in the crystalline phase. Upon isomerization, the phase transition from crystalline to amorphous solid occurs and contributes to additional energy storage. The exclusively solid-state MOST compounds with solid-solid phase transition overcome a major challenge of solid-liquid phase transition materials that require encapsulation for practical applications.
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25
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DiNardi RG, Douglas AO, Tian R, Price JR, Tajik M, Donald WA, Beves JE. Visible‐Light‐Responsive Self‐Assembled Complexes: Improved Photoswitching Properties by Metal Ion Coordination**. Angew Chem Int Ed Engl 2022; 61:e202205701. [PMID: 35972841 PMCID: PMC9541570 DOI: 10.1002/anie.202205701] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Indexed: 11/10/2022]
Abstract
A photoswitchable ligand based on azobenzene is self‐assembled with palladium(II) ions to form a [Pd2(E‐L)4]4+ cage. Irradiation with 470 nm light results in the near‐quantitative switching to a monomeric species [Pd(Z‐L)2]2+, which can be reversed by irradiation with 405 nm light, or heat. The photoswitching selectivity towards the metastable isomer is significantly improved upon self‐assembly, and the thermal half‐life is extended from 40 days to 850 days, a promising approach for tuning photoswitching properties.
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Affiliation(s)
- Ray G. DiNardi
- School of Chemistry UNSW Sydney Sydney NSW 2052 Australia
| | | | - Ruoming Tian
- Crystallography laboratory Mark Wainwright Analytical Centre UNSW Sydney Sydney NSW 2052 Australia
| | - Jason R. Price
- School of Chemistry UNSW Sydney Sydney NSW 2052 Australia
- ANSTO The Australian Synchrotron 800 Blackburn Rd Clayton Vic 3168 Australia
| | - Mohammad Tajik
- School of Chemistry UNSW Sydney Sydney NSW 2052 Australia
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26
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Semionova VV, Glebov EM. SUPRAMOLECULAR COMPOUNDS FORMED BY METAL-ORGANIC FRAMEWORKS AND ORGANIC PHOTOCHROMES. REVIEW. J STRUCT CHEM+ 2022. [DOI: 10.1134/s0022476622090086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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27
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DiNardi RG, Douglas AO, Tian R, Price JR, Tajik M, Donald WA, Beves JE. Visible‐Light‐Responsive Self‐Assembled Complexes: Improved Photoswitching Properties by Metal Ion Coordination**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205701] [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)
- Ray G. DiNardi
- School of Chemistry UNSW Sydney Sydney NSW 2052 Australia
| | | | - Ruoming Tian
- Crystallography laboratory Mark Wainwright Analytical Centre UNSW Sydney Sydney NSW 2052 Australia
| | - Jason R. Price
- School of Chemistry UNSW Sydney Sydney NSW 2052 Australia
- ANSTO The Australian Synchrotron 800 Blackburn Rd Clayton Vic 3168 Australia
| | - Mohammad Tajik
- School of Chemistry UNSW Sydney Sydney NSW 2052 Australia
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28
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Wang LJ, Bai S, Han YF. Water-Soluble Self-Assembled Cage with Triangular Metal-Metal-Bonded Units Enabling the Sequential Selective Separation of Alkanes and Isomeric Molecules. J Am Chem Soc 2022; 144:16191-16198. [PMID: 35972889 DOI: 10.1021/jacs.2c07586] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The selective separation of structurally similar aliphatic/aromatic hydrocarbons is an essential goal in industrial processes. In this study, we report the synthesis of a water-soluble (Tr2M3)4L4 (Tr = cycloheptatrienyl ring; M = metal; L = organosulfur ligand) molecular cage (1) via self-assembly of the water-soluble acceptor tripalladium sandwich species [(Tr2Pd3)(CH3CN)][NO3]2 and the attachment onto L of solubilizing methoxyethoxy appendants to be utilized in an energy-friendly alternative approach to the separation of structurally similar molecules under ambient conditions. Cage 1, comprising a hydrophobic inner cavity, exhibited good solubility and stability in aqueous media. It also demonstrated excellent performance in the sequential separation of alkanes (C6-C9), xylene, and other disubstituted benzene isomers and cis/trans-decalin.
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Affiliation(s)
- Li-Juan Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, P.R. China
| | - Sha Bai
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, P.R. China
| | - Ying-Feng Han
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, P.R. China
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29
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Ma Y, Shen J, Zhao J, Li J, Liu S, Liu C, Wei J, Liu S, Zhao Q. Multicolor Zinc(II)‐Coordinated Hydrazone‐Based Bistable Photoswitches for Rewritable Transparent Luminescent Labels. Angew Chem Int Ed Engl 2022; 61:e202202655. [DOI: 10.1002/anie.202202655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Yun Ma
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications (NUPT) Nanjing 210023 China
| | - Jiandong Shen
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications (NUPT) Nanjing 210023 China
| | - Jufu Zhao
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications (NUPT) Nanjing 210023 China
| | - Jiangang Li
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications (NUPT) Nanjing 210023 China
| | - Shanying Liu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications (NUPT) Nanjing 210023 China
| | - Chenyuan Liu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications (NUPT) Nanjing 210023 China
| | - Juan Wei
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications (NUPT) Nanjing 210023 China
| | - Shujuan Liu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications (NUPT) Nanjing 210023 China
| | - Qiang Zhao
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications (NUPT) Nanjing 210023 China
- College of Electronic and Optical Engineering and Microelectronics & College of Flexible Electronics (Future Technology) Jiangsu Province Engineering Research Center for Fabrication and Application of Special Optical Fiber Materials and Devices Nanjing University of Posts and Telecommunications (NUPT) Nanjing 210023 P. R. China
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30
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Keyvan Rad J, Balzade Z, Mahdavian AR. Spiropyran-based advanced photoswitchable materials: A fascinating pathway to the future stimuli-responsive devices. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C: PHOTOCHEMISTRY REVIEWS 2022. [DOI: 10.1016/j.jphotochemrev.2022.100487] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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31
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Gemen J, Białek MJ, Kazes M, Shimon LJ, Feller M, Semenov SN, Diskin-Posner Y, Oron D, Klajn R. Ternary host-guest complexes with rapid exchange kinetics and photoswitchable fluorescence. Chem 2022; 8:2362-2379. [PMID: 36133801 PMCID: PMC9473544 DOI: 10.1016/j.chempr.2022.05.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/18/2022] [Accepted: 05/11/2022] [Indexed: 11/16/2022]
Abstract
Confinement within molecular cages can dramatically modify the physicochemical properties of the encapsulated guest molecules, but such host-guest complexes have mainly been studied in a static context. Combining confinement effects with fast guest exchange kinetics could pave the way toward stimuli-responsive supramolecular systems—and ultimately materials—whose desired properties could be tailored “on demand” rapidly and reversibly. Here, we demonstrate rapid guest exchange between inclusion complexes of an open-window coordination cage that can simultaneously accommodate two guest molecules. Working with two types of guests, anthracene derivatives and BODIPY dyes, we show that the former can substantially modify the optical properties of the latter upon noncovalent heterodimer formation. We also studied the light-induced covalent dimerization of encapsulated anthracenes and found large effects of confinement on reaction rates. By coupling the photodimerization with the rapid guest exchange, we developed a new way to modulate fluorescence using external irradiation. A coordination cage encapsulates various anthracenes and BODIPY dyes as homodimers Mixing the two homodimers leads to the formation of anthracene-BODIPY heterodimers Encapsulation can either promote or suppress the photodimerization of anthracenes The homodimer/heterodimer equilibrium can be tuned by light-induced guest exchange
Confinement of small molecules within the cavities of natural and synthetic hosts can greatly affect the physicochemical properties of the bound species; however, to date, such host-guest complexes have been studied mainly in a static context. An important direction is the development of host-guest systems, whereby encapsulation and release of guest molecules can be reversibly controlled using light. Here, we report ternary inclusion complexes comprising an open-window coordination cage and two kinds of photoactive guests, namely, the photodimerizable anthracenes and BODIPY dyes. Alternating exposure to two different colors of light shifts the equilibrium between the encapsulated homodimers and heterodimers, thus dramatically affecting the system’s optical properties. We also find that the rates of both processes—anthracene dimerization and guest exchange—strongly depend on the substitution pattern on both types of guests, which highlights the importance of confinement effects.
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Affiliation(s)
- Julius Gemen
- Department of Molecular Chemistry & Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Michał J. Białek
- Department of Molecular Chemistry & Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
- Department of Chemistry, University of Wrocław, 14 F. Joliot-Curie St., 50383 Wrocław, Poland
| | - Miri Kazes
- Department of Molecular Chemistry & Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Linda J.W. Shimon
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Moran Feller
- Department of Molecular Chemistry & Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Sergey N. Semenov
- Department of Molecular Chemistry & Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Yael Diskin-Posner
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Dan Oron
- Department of Molecular Chemistry & Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Rafal Klajn
- Department of Molecular Chemistry & Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
- Corresponding author
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32
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Piskorz TK, Martí-Centelles V, Young TA, Lusby PJ, Duarte F. Computational Modeling of Supramolecular Metallo-organic Cages-Challenges and Opportunities. ACS Catal 2022; 12:5806-5826. [PMID: 35633896 PMCID: PMC9127791 DOI: 10.1021/acscatal.2c00837] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/09/2022] [Indexed: 01/18/2023]
Abstract
![]()
Self-assembled
metallo-organic
cages have emerged as promising
biomimetic platforms that can encapsulate whole substrates akin to
an enzyme active site. Extensive experimental work has enabled access
to a variety of structures, with a few notable examples showing catalytic
behavior. However, computational investigations of metallo-organic
cages are scarce, not least due to the challenges associated with
their modeling and the lack of accurate and efficient protocols to
evaluate these systems. In this review, we discuss key molecular principles
governing the design of functional metallo-organic cages, from the
assembly of building blocks through binding and catalysis. For each
of these processes, computational protocols will be reviewed, considering
their inherent strengths and weaknesses. We will demonstrate that
while each approach may have its own specific pitfalls, they can be
a powerful tool for rationalizing experimental observables and to
guide synthetic efforts. To illustrate this point, we present several
examples where modeling has helped to elucidate fundamental principles
behind molecular recognition and reactivity. We highlight the importance
of combining computational and experimental efforts to speed up supramolecular
catalyst design while reducing time and resources.
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Affiliation(s)
- Tomasz K. Piskorz
- Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Vicente Martí-Centelles
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Valencia 46022, Spain
| | - Tom A. Young
- Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Paul J. Lusby
- EaStCHEM School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh, Scotland EH9 3FJ, United Kingdom
| | - Fernanda Duarte
- Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, United Kingdom
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33
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Ma Y, Shen J, Zhao J, Li J, Liu S, Liu C, Wei J, Liu S, Zhao Q. Multicolor Zinc(II)‐coordinated Hydrazone‐based Bistable Photoswitches for Rewritable Transparent Luminescent Labels. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Yun Ma
- Nanjing University of Posts and Telecommunications Institute of Advanced Materials 9 Wenyuan Road 210023 Nanjing CHINA
| | - Jiandong Shen
- Nanjing University of Posts and Telecommunications Institute of Advanced Materials 9 Wenyuan Road 210023 Nanjing CHINA
| | - Jufu Zhao
- Nanjing University of Posts and Telecommunications Institute of Advanced Materials 9 Wenyuan Road 210023 Nanjing CHINA
| | - Jiangang Li
- Nanjing University of Posts and Telecommunications Institute of Advanced Materials 9 Wenyuan Road 210023 Nanjing CHINA
| | - Shanying Liu
- Nanjing University of Posts and Telecommunications Institute of Advanced Materials 9 Wenyuan Road 210023 Nanjing CHINA
| | - Chenyuan Liu
- Nanjing University of Posts and Telecommunications Institute of Advanced Materials 9 Wenyuan Road 210023 Nanjing CHINA
| | - Juan Wei
- Nanjing University of Posts and Telecommunications Institute of Advanced Materials 9 Wenyuan Road 210023 Nanjing CHINA
| | - Shujuan Liu
- Nanjing University of Posts and Telecommunications Institute of Advanced Materials 9 Wenyuan Road 210023 Nanjing CHINA
| | - Qiang Zhao
- Nanjing University of Posts and Telecommunications 9 Wenyuan Road 210023 Nanjing CHINA
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34
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McTernan CT, Davies JA, Nitschke JR. Beyond Platonic: How to Build Metal-Organic Polyhedra Capable of Binding Low-Symmetry, Information-Rich Molecular Cargoes. Chem Rev 2022; 122:10393-10437. [PMID: 35436092 PMCID: PMC9185692 DOI: 10.1021/acs.chemrev.1c00763] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
![]()
The
field of metallosupramolecular chemistry has advanced rapidly
in recent years. Much work in this area has focused on the formation
of hollow self-assembled metal-organic architectures and exploration
of the applications of their confined nanospaces. These discrete,
soluble structures incorporate metal ions as ‘glue’
to link organic ligands together into polyhedra.Most of the architectures
employed thus far have been highly symmetrical, as these have been
the easiest to prepare. Such high-symmetry structures contain pseudospherical
cavities, and so typically bind roughly spherical guests. Biomolecules
and high-value synthetic compounds are rarely isotropic, highly-symmetrical
species. To bind, sense, separate, and transform such substrates,
new, lower-symmetry, metal-organic cages are needed. Herein we summarize
recent approaches, which taken together form the first draft of a
handbook for the design of higher-complexity, lower-symmetry, self-assembled
metal-organic architectures.
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Affiliation(s)
- Charlie T McTernan
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Jack A Davies
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Jonathan R Nitschke
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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35
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Sainaba AB, Venkateswarulu M, Bhandari P, Arachchige KSA, Clegg JK, Mukherjee PS. An Adaptable Water-Soluble Molecular Boat for Selective Separation of Phenanthrene from Isomeric Anthracene. J Am Chem Soc 2022; 144:7504-7513. [PMID: 35436087 DOI: 10.1021/jacs.2c02540] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Anthracene crude oil is a common source of phenanthrene for its industrial use. The isolation of phenanthrene from this source is a challenging task due to very similar physical properties to its isomer anthracene. We report here a water-soluble Pd(II) molecular boat (MB1) with unusual structural topology that was obtained by assembling a flexible tetrapyridyl donor (L) with a cis-Pd(II) acceptor. The flexible backbone of the boat enabled it to breathe in the presence of a guest optimizing the fit within the cavity. The boat binds phenanthrene more strongly than anthracene, which enabled separation of phenanthrene with an >98% purity from an equimolar mixture of the two isomers using MB1 as an extracting agent. MB1 represents a unique example of a coordination receptor suitable for selective aqueous extraction of phenanthrene from anthracene with reusability of several cycles.
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Affiliation(s)
- Arppitha Baby Sainaba
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Mangili Venkateswarulu
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Pallab Bhandari
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
| | | | - Jack K Clegg
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, Queensland 4072, Australia
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
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36
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Fu Y, Zhang X, Liu J, Qian G, Xu ZP, Zhang R. Fluorescence detection and imaging of intracellular sulphite using a remote light activatable photochromic nanoprobe. J Mater Chem B 2022; 10:3366-3374. [PMID: 35383812 DOI: 10.1039/d2tb00021k] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The development of a responsive fluorescent probe for the detection of a particular biomolecule in a specific site at the desired moment is important in the fields of bioanalysis and imaging, molecular biology and biomedical research. In this work, we report the development of a remote-light activatable nanoprobe for the fluorescence detection of sulphite in pure aqueous solution and its imaging applications in living cells. The nanoprobe, Poly-Cm-SP, is fabricated simply by wrapping photochromic molecules (Cm-SP) into a polymer nanoparticle. Upon alternate UV/Vis light irradiation for several seconds, the Poly-Cm-SP nanoprobe exhibits red/blue fluorescence switch due to the inactive/active FRET processes from coumarins to the SP/MR isomers of the photochromic molecule. In the presence of sulphite, the specific reaction of sulphite with the electron deficit "CC" bond of the MR isomer occurs, resulting in an inefficient FRET process and thus exhibiting a constant "ON" blue channel fluorescence signal. After UV-light irradiation, the formation of activated Poly-Cm-MRin situ thus enables the detection of sulphite through recording the ratiometric changes of fluorescence signals at both blue and red channels. The Poly-Cm-SP nanoprobe possesses excellent biocompatibility and lysosome distribution capability, allowing it to be used for photochromic imaging and sulphite detection in the lysosomes of living macrophage cells. This work thus offers a new remote-light activatable nanoprobe for the detection and imaging of sulphite in biological systems.
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Affiliation(s)
- Youxin Fu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia.
| | - Xing Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia. .,School of Environmental Science and Chemical Engineering, Shanghai University, Shanghai 200444, China
| | - Jianping Liu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia.
| | - Guangren Qian
- School of Environmental Science and Chemical Engineering, Shanghai University, Shanghai 200444, China
| | - Zhi Ping Xu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia.
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia.
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37
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Encapsulation within a coordination cage modulates the reactivity of redox-active dyes. Commun Chem 2022; 5:44. [PMID: 36697669 PMCID: PMC9814915 DOI: 10.1038/s42004-022-00658-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 02/18/2022] [Indexed: 02/08/2023] Open
Abstract
Confining molecules within well-defined nanosized spaces can profoundly alter their physicochemical characteristics. For example, the controlled aggregation of chromophores into discrete oligomers has been shown to tune their optical properties whereas encapsulation of reactive species within molecular hosts can increase their stability. The resazurin/resorufin pair has been widely used for detecting redox processes in biological settings; yet, how tight confinement affects the properties of these two dyes remains to be explored. Here, we show that a flexible PdII6L4 coordination cage can efficiently encapsulate both resorufin and resazurin in the form of dimers, dramatically modulating their optical properties. Furthermore, binding within the cage significantly decreases the reduction rate of resazurin to resorufin, and the rate of the subsequent reduction of resorufin to dihydroresorufin. During our studies, we also found that upon dilution, the PdII6L4 cage disassembles to afford PdII2L2 species, which lacks the ability to form inclusion complexes - a process that can be reversed upon the addition of the strongly binding resorufin/resazurin guests. We expect that the herein disclosed ability of a water-soluble cage to reversibly modulate the optical and chemical properties of a molecular redox probe will expand the versatility of synthetic fluorescent probes in biologically relevant environments.
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38
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Kennedy ADW, DiNardi RG, Fillbrook LL, Donald WA, Beves JE. Visible-Light Switching of Metallosupramolecular Assemblies. Chemistry 2022; 28:e202104461. [PMID: 35102616 PMCID: PMC9302685 DOI: 10.1002/chem.202104461] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Indexed: 11/11/2022]
Abstract
A photoswitchable ligand and palladium(II) ions form a dynamic mixture of self-assembled metallosupramolecular structures. The photoswitching ligand is an ortho-fluoroazobenzene with appended pyridyl groups. Combining the E-isomer with palladium(II) salts affords a double-walled triangle with composition [Pd3 L6 ]6+ and a distorted tetrahedron [Pd4 L8 ]8+ (1 : 2 ratio at 298 K). Irradiation with 410 nm light generates a photostationary state with approximately 80 % of the E-isomer of the ligand and results in the selective disassembly of the tetrahedron, the more thermodynamically stable structure, and the formation of the triangle, the more kinetically inert product. The triangle is then slowly transformed back into the tetrahedron over 2 days at 333 K. The Z-isomer of the ligand does not form any well-defined structures and has a thermal half-life of 25 days at 298 K. This approach shows how a thermodynamically preferred self-assembled structure can be reversibly pumped to a kinetic trap by small perturbations of the isomer distribution using non-destructive visible light.
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Affiliation(s)
| | - Ray G. DiNardi
- School of ChemistryThe University of New South WalesSydneyNSW 2052Australia
| | - Lucy L. Fillbrook
- School of ChemistryThe University of New South WalesSydneyNSW 2052Australia
| | - William A. Donald
- School of ChemistryThe University of New South WalesSydneyNSW 2052Australia
| | - Jonathon E. Beves
- School of ChemistryThe University of New South WalesSydneyNSW 2052Australia
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39
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Yanshyna O, Avram L, Shimon LJW, Klajn R. Coexistence of 1 : 1 and 2 : 1 inclusion complexes of indigo carmine. Chem Commun (Camb) 2022; 58:3461-3464. [PMID: 35064258 PMCID: PMC8908503 DOI: 10.1039/d1cc07081a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We show that the optical properties of indigo carmine can be modulated by encapsulation within a coordination cage. Depending on the host/guest molar ratio, the cage can predominantly encapsulate either one or two dye molecules. The 1 : 1 complex is fluorescent, unique for an indigo dye in an aqueous solution. We have also found that binding two dye molecules stabilizes a previously unknown conformation of the cage. We show that the optical properties of indigo carmine can be modulated by encapsulation within a coordination cage.![]()
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Affiliation(s)
- Oksana Yanshyna
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel.
| | - Liat Avram
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Linda J W Shimon
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Rafal Klajn
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel.
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40
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Iqbal A, Iqbal G, Umar MN, ur Rashid H, Khan SW. Synthesis of novel silica encapsulated spiropyran-based thermochromic materials. ROYAL SOCIETY OPEN SCIENCE 2022; 9:211385. [PMID: 35251675 PMCID: PMC8889169 DOI: 10.1098/rsos.211385] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 01/31/2022] [Indexed: 05/07/2023]
Abstract
A series of novel spiropyrans were synthesized through the condensation of substituted 3,3-dimethyl-2-methyleneindoline with different nitro-substituted o-hydroxy aromatic aldehydes. Indoles were initially substituted with a variety of alkanes and esters moieties. The substituted 3,3-dimethyl-2-methyleneindoline was then reacted with nitro-substituted o-hydroxy aromatic aldehydes to yield the respective spiropyrans. The synthesized novel spiropyrans were encapsulated in silica nano-shells to protect them from the effect of moisture and pH. The thermochromic behaviour of novel spiropyrans was studied by UV-visible spectroscopy. The thermally induced isomerization of spiropyran derivatives was carried out in a water/ethanol mixture. The thermal isomerization of spiro-heterocyclic (colourless form) to merocyanine (MC) (coloured form) was a discontinuous process and was observed in a temperature range of 5-60°C via UV-visible spectrometer. The absorption process occurs reversibly regardless of the heating/cooling sequence. The spiropyran derivatives, therefore, have a potential application for colorimetric temperature indication.
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Affiliation(s)
- Anila Iqbal
- Nanoscience and Technology Department, National Center for Physics, PO Box No 2141, Islamabad 44000, Pakistan
| | - Ghazala Iqbal
- Department of Pharmacy, Kohat University of Science and Technology, (KUST), Kohat, KP, Pakistan
| | | | - Haroon ur Rashid
- Institute of Chemistry, Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Sher Wali Khan
- Department of Chemistry, Shaheed Benazir Bhutto University, Sheringal, Upper Dir, KP, Pakistan
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41
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Leistner AL, Pianowski Z. Smart photochromic materials triggered with visible light. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101271] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Anna-Lena Leistner
- KIT: Karlsruher Institut fur Technologie Institute of Organic Chemistry Fritz-Haber-Weg 6 76131 Karlsruhe GERMANY
| | - Zbigniew Pianowski
- Karlsruher Institut fur Technologie Fakultat fur Chemie und Biowissenschaften Institute of Organic Chemistry Fritz-Haber-Weg 6 76131 Karlsruhe GERMANY
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42
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Sarker S, Macharia DK, Zhang Y, Zhu Y, Li X, Wen M, Meng R, Yu N, Chen Z, Zhu M. Synthesis of MnO 2-Ag Nanojunctions with Plasmon-Enhanced Photocatalytic and Photothermal Effects for Constructing Rewritable Mono-/Multi-Color Fabrics. ACS APPLIED MATERIALS & INTERFACES 2022; 14:5545-5557. [PMID: 35041399 DOI: 10.1021/acsami.1c19731] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Semiconductor-mediated photoreversible color switching systems (PCSSs) have great potential to replace traditional photochromic materials, and the key is to obtain semiconductors with unique photocatalytic and photothermal features. Herein, we have developed MnO2-Ag nanojunctions with plasmon-enhanced photocatalytic and photothermal effects for PCSSs. MnO2-Ag nanojunctions are solvothermally synthesized with Mn(CH3COO)3, KMnO4, and AgNO3 in diethylene glycol as precursors, and they are composed of MnO2 nanoparticles (∼30 nm) that are decorated by Ag nanodots (∼6 nm). The presence of Ag confers an enhanced visible photoabsorption with a narrow band gap for MnO2 (Eg = 1.82 eV) and a weak/broad photoabsorption tail (∼875 nm) compared to that of pure MnO2 (2.45 eV, ∼625 nm). By coupling MnO2-Ag nanojunctions with various redox dyes, some PCSS inks can be obtained, and especially, the inks containing hydroxyethyl cellulose could be used to prepare rewritable fabrics. When inks and fabrics are irradiated by 475 nm light, rapid discoloration can occur, resulting from the photocatalytic reduction of the dye. Contrarily, the irradiation of 808 nm light promotes the rapid recoloration since Ag nanodots with plasmonic effects in the nanojunctions can absorb light to generate heat, which facilitates the oxidization of leuco dyes in air. Consequently, remote printing of figures was attained on the rewritable fabrics via 475 nm light illumination, and then, the erasure was performed by 808 nm light illumination in an O2 atmosphere, with high reversibility and cycling stability. Therefore, MnO2-Ag nanojunctions have tremendous promise for rewritable media, and the introduction of metal-semiconductor junctions as a nanophotocatalyst offers new insights for PCSSs.
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Affiliation(s)
- Shamima Sarker
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Daniel K Macharia
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Yan Zhang
- Department of Environmental Engineering, School of Environmental and Geographical Science, Shanghai Normal University, Shanghai 200234, China
| | - Yu Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Xiaolong Li
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Mei Wen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Ruru Meng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Nuo Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Zhigang Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
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43
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Du Z, Zhang T, Gai H, Sheng L, Guan Y, Wang X, Qin T, Li M, Wang S, Zhang Y, Nie H, Zhang SX. Multi-Component Collaborative Step-by-Step Coloring Strategy to Achieve High-Performance Light-Responsive Color-Switching. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103309. [PMID: 34802199 PMCID: PMC8805571 DOI: 10.1002/advs.202103309] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 10/21/2021] [Indexed: 05/27/2023]
Abstract
Light-responsive color-switching materials (LCMs) are long-lasting hot fields. However, non-ideal comprehensive performance (such as color contrast and retention time cannot be combined, unsatisfactory repeatability, and non-automated coloring mode) significantly hinder their development toward high-end products. Herein, the development of LCMs that exhibit long retention time, good color contrast, repeatability, and the property of automatic coloring is reported. The realization of this goal stems from the adoption of a bio-inspired multi-component collaborative step-by-step coloring strategy. Under this strategy, a conventional one-step photochromic process is divided into a "light+heat" controlled multi-step process for the fabrication of the desired LCMs. The obtained LCMs can effectively resist the long-troubled ambient-light interference and avoid its inherent yellow background, thereby achieving the longest retention time and good repeatability. Multiple colors are generated and ultra-fast imaging compatible with the laser-printing technology is also realized. The application potential of the materials in short-term reusable identity cards, absorptive readers, billboards, and shelf labels is demonstrated. The results reported herein can potentially help in developing and designing various high-performance, switchable materials that can be used for the production of high-end products.
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Affiliation(s)
- Zhen Du
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
| | - Ting Zhang
- School of Materials Science and EngineeringDongguan University of TechnologyGuangdong523710China
| | - Hanqi Gai
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
| | - Lan Sheng
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
| | - Yu Guan
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
| | - Xiaojun Wang
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
| | - Tianyou Qin
- College of Basic MedicineJilin UniversityChangchun130012China
| | - Minjie Li
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
| | - Shuo Wang
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
| | - Yu‐Mo Zhang
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
| | - Hui Nie
- College of ChemistryHuazhong University of Science and TechnologyWuhan430074China
| | - Sean Xiao‐An Zhang
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
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44
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Bruekers JP, Bakker R, White PB, Tinnemans P, Elemans JA, Nolte RJ. Stabilization of thermally unstable photoisomers of pyridinium-functionalized hemithioindigo switches by host-guest complexation. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132499] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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45
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Tang S, An J, Song F, Lv M, Han K, Peng X. Extending the Legible Time of Light-Responsive Rewritable Papers with a Tunable Photochromic Diarylethene Molecule. ACS APPLIED MATERIALS & INTERFACES 2021; 13:51414-51425. [PMID: 34689563 DOI: 10.1021/acsami.1c11841] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Inkless printing based on rewritable papers has recently made great progress because it can improve the utilization rate of papers, which is of great significance for saving resources and protecting the environment. Among them, light-responsive rewritable papers (LRPs) are a hot research topic because light is clean, easily available, wavelength and intensity adjustable, and noncontacting. However, the photochromic material, as the imaging substance of LRPs, is easily affected by environmental conditions, resulting in insufficient time to read the information. In view of this, we designed and constructed an acid/base tunable diarylethene molecular system that can effectively adjust the photochromic properties by reversibly changing the electron density of the diarylethene photoreaction center through protonation and demonstrated its potential as an imaging material with a longer legible time. What makes us more satisfied is that the acidification can not only extend the legible time of carrying information but also bring a clear and stable absorption/fluorescence imaging dual mode, which can better reflect details and improve contrast. Therefore, we believe that this tunable photochromic diarylethene molecule is a potential imaging material for the development of new LRPs.
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Affiliation(s)
- Shanliang Tang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Jing An
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Fengling Song
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, China
| | - Meiheng Lv
- College of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Keli Han
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, China
| | - Xiaojun Peng
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
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46
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Kuang X, Meng L, Lu CZ. Unveiling electron transfer in a supramolecular aggregate for adaptive and autonomous photochromic response. iScience 2021; 24:102956. [PMID: 34458704 PMCID: PMC8379699 DOI: 10.1016/j.isci.2021.102956] [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: 01/26/2021] [Revised: 07/09/2021] [Accepted: 08/02/2021] [Indexed: 10/28/2022] Open
Abstract
Interactive and responsive materials are dynamic molecular systems that are capable of modulating their behavior and adapting to environment autonomously. Photochromic materials are among the fascinating class of dynamic responsive systems and widely used in molecular switches and optoelectronic devices. However, the phototriggered color changing largely relies on the conformation transformation of the photochromic motif, which significantly limited their usage in organic liquid solutions. Herein, we demonstrate a photochromic organic supramolecular system by using electron-rich N,N-dimethylacetamide (DMA) and electron-deficient naphthalenediimide (NDI) as a donor and acceptor, respectively. In the binary system, the photo-induced electron transfer through lone pair···π interactions pathway leads to dynamic photochromic response not only in the solution but also in the crystalline aggregated state. Furthermore, by incorporating the supramolecules in the polymer matrix, the transparent polymeric film also exhibits rapid photochromic response, which makes it a promisingly interactive and adaptive photochromic material.
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Affiliation(s)
- Xiaofei Kuang
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, P. R. China
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Lingyi Meng
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, P. R. China
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Can-Zhong Lu
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, P. R. China
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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47
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He J, Zhao H, Wu H, Yang Y, Wang Z, He Z, Jiang G. Achieving enhanced solid-state photochromism and mechanochromism by introducing a rigid steric hindrance group. Phys Chem Chem Phys 2021; 23:17939-17944. [PMID: 34382052 DOI: 10.1039/d1cp02983e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
For photochromic molecules, effective isomerization usually requires conformational freedom, which is usually unavailable under solvent-free conditions. In this work, we report a new method, which can realize the reversible switching of spiropyran molecules by introducing a rigid aromatic ring group and this method can provide the required free volume to transform from a closed-ring to an open-ring form. This new molecule can quickly change color in the solid state under ultraviolet light, and can be erased after being heated at 60 °C for about 5 minutes. Furthermore, this new compound presents mechanochromicity when a mechanical force is applied. What is more, it can be used for at least 30 cycles of print-erase operations without apparent fatigue. This new molecule exhibits improved photochromic and anti-fatigue properties in the solid state, which can promote its application in both ultraviolet printing and anti-counterfeiting materials.
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Affiliation(s)
- Junzhao He
- College of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China.
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48
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Affiliation(s)
- Edmundo G. Percástegui
- Instituto de Química Universidad Nacional Autónoma de México Ciudad Universitaria Ciudad de México 04510 México
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM Carretera Toluca-Atlacomulco km 14.5, Toluca Estado de México 50200 México
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Antipin IS, Alfimov MV, Arslanov VV, Burilov VA, Vatsadze SZ, Voloshin YZ, Volcho KP, Gorbatchuk VV, Gorbunova YG, Gromov SP, Dudkin SV, Zaitsev SY, Zakharova LY, Ziganshin MA, Zolotukhina AV, Kalinina MA, Karakhanov EA, Kashapov RR, Koifman OI, Konovalov AI, Korenev VS, Maksimov AL, Mamardashvili NZ, Mamardashvili GM, Martynov AG, Mustafina AR, Nugmanov RI, Ovsyannikov AS, Padnya PL, Potapov AS, Selektor SL, Sokolov MN, Solovieva SE, Stoikov II, Stuzhin PA, Suslov EV, Ushakov EN, Fedin VP, Fedorenko SV, Fedorova OA, Fedorov YV, Chvalun SN, Tsivadze AY, Shtykov SN, Shurpik DN, Shcherbina MA, Yakimova LS. Functional supramolecular systems: design and applications. RUSSIAN CHEMICAL REVIEWS 2021. [DOI: 10.1070/rcr5011] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Ferreira P, Moncelsi G, Aragay G, Ballester P. Hydrogen-Bonded Dimeric Capsules with Appended Spiropyran Units: Towards Controlled Cargo Release. Chemistry 2021; 27:12675-12685. [PMID: 34097321 PMCID: PMC8456926 DOI: 10.1002/chem.202101643] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Indexed: 01/16/2023]
Abstract
We report the synthesis of unprecedented tetra-urea derivatives of calix[4]arene and calix[4]pyrrole containing four spiropyran (SP) units at their upper rim. We investigate the photo- and acid-induced isomerization of the monomeric and homo-dimeric tetra-ureas derivatives using UV-Vis and 1 H NMR spectroscopies. At micromolar concentration, irradiation of the samples with 365 nm light induces changes in their absorption spectra that are consistent with SP→merocyanine (MC) isomerization. However, analogous experiments at millimolar concentration do not produce noticeable changes in the 1 H NMR spectra. The addition of triflic acid to micromolar and millimolar solutions of the tetra-ureas produces the quantitative isomerization of the SP units to the protonated merocyanine form (E-MCH+ ) and the simultaneous disassembly of the capsular dimers to form ill-defined aggregates. The neutralization of the acid solutions resets the SP form. Under these acid/base treatment conditions, the controlled release of the included guest and the reassembly of the all-SP tetra-urea dimers occurs at different extents depending on its calix[4]arene or calix[4]pyrrole scaffold.
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Affiliation(s)
- Pedro Ferreira
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain.,Department de Química Analítica i Química Orgànica, Universitat Rovira i Virgili (URV), c/Marcel⋅lí Domingo 1, 43007, Tarragona, Spain
| | - Giulia Moncelsi
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain.,Department de Química Analítica i Química Orgànica, Universitat Rovira i Virgili (URV), c/Marcel⋅lí Domingo 1, 43007, Tarragona, Spain
| | - Gemma Aragay
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Pablo Ballester
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain.,ICREA, Passeig Lluís Companys 23, 08101, Barcelona, Spain
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