1
|
Xu M, Wei C, Zhang Y, Chen J, Li H, Zhang J, Sun L, Liu B, Lin J, Yu M, Xie L, Huang W. Coplanar Conformational Structure of π-Conjugated Polymers for Optoelectronic Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2301671. [PMID: 37364981 DOI: 10.1002/adma.202301671] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 06/05/2023] [Indexed: 06/28/2023]
Abstract
Hierarchical structure of conjugated polymers is critical to dominating their optoelectronic properties and applications. Compared to nonplanar conformational segments, coplanar conformational segments of conjugated polymers (CPs) demonstrate favorable properties for applications as a semiconductor. Herein, recent developments in the coplanar conformational structure of CPs for optoelectronic devices are summarized. First, this review comprehensively summarizes the unique properties of planar conformational structures. Second, the characteristics of the coplanar conformation in terms of optoelectrical properties and other polymer physics characteristics are emphasized. Five primary characterization methods for investigating the complanate backbone structures are illustrated, providing a systematical toolbox for studying this specific conformation. Third, internal and external conditions for inducing the coplanar conformational structure are presented, offering guidelines for designing this conformation. Fourth, the optoelectronic applications of this segment, such as light-emitting diodes, solar cells, and field-effect transistors, are briefly summarized. Finally, a conclusion and outlook for the coplanar conformational segment regarding molecular design and applications are provided.
Collapse
Affiliation(s)
- Man Xu
- State Key Laboratory of Organic Electronics and Information Displays & School of Chemistry and Life Sciences & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China
| | - Chuanxin Wei
- State Key Laboratory of Organic Electronics and Information Displays & School of Chemistry and Life Sciences & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China
| | - Yunlong Zhang
- State Key Laboratory of Organic Electronics and Information Displays & School of Chemistry and Life Sciences & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China
| | - Jiefeng Chen
- State Key Laboratory of Organic Electronics and Information Displays & School of Chemistry and Life Sciences & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China
| | - Hao Li
- State Key Laboratory of Organic Electronics and Information Displays & School of Chemistry and Life Sciences & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China
| | - Jingrui Zhang
- State Key Laboratory of Organic Electronics and Information Displays & School of Chemistry and Life Sciences & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China
| | - Lili Sun
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, China
| | - Bin Liu
- State Key Laboratory of Organic Electronics and Information Displays & School of Chemistry and Life Sciences & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China
| | - Jinyi Lin
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, China
| | - Mengna Yu
- State Key Laboratory of Organic Electronics and Information Displays & School of Chemistry and Life Sciences & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China
| | - Linghai Xie
- State Key Laboratory of Organic Electronics and Information Displays & School of Chemistry and Life Sciences & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China
| | - Wei Huang
- State Key Laboratory of Organic Electronics and Information Displays & School of Chemistry and Life Sciences & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, China
- Frontiers Science Center for Flexible Electronics (FSCFE), Shaanxi Institute of Flexible Electronics (SIFE) & Shaanxi Institute of Biomedical Materials and Engineering (SIBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, China
| |
Collapse
|
2
|
Su X, Kong X, Sun K, Liu Q, Pei Y, Hu D, Xu M, Feng W, Li F. Enhanced Blue Afterglow through Molecular Fusion for Bio-applications. Angew Chem Int Ed Engl 2022; 61:e202201630. [PMID: 35353427 DOI: 10.1002/anie.202201630] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Indexed: 12/26/2022]
Abstract
Afterglow materials have drawn considerable attention due to their attractive luminescent properties. However, their low-efficiency luminescence in aqueous environment limits their applications in life sciences. Here, we developed a molecular fusion strategy to improve the afterglow efficiency of photochemical afterglow materials. By fusing a cache unit with an emitter, we obtained a blue afterglow system with a quantum yield up to 2.59 %. This is 162 times higher than that achieved with the traditional physical mixing system and more than an order of magnitude larger than that of the covalent coupling system. High-efficiency afterglow nanoparticles were obtained and utilized for bio-imaging with a high signal-to-noise ratio (SNR) of 131, and for the lateral flow immunoassay (LFIA) of β-hCG with a low limit of detection (LOD) of 0.34 mIU mL-1 . This paves a new way for the construction of high-efficiency afterglow materials and expands the number of luminescence reporter candidates for disease diagnosis and bio-imaging.
Collapse
Affiliation(s)
- Xianlong Su
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200438, P. R. China
| | - Xiaoyan Kong
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200438, P. R. China
| | - Kuangshi Sun
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200438, P. R. China
| | - Qian Liu
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200438, P. R. China
| | - Yuetian Pei
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200438, P. R. China
| | - Donghao Hu
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200438, P. R. China
| | - Ming Xu
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200438, P. R. China
| | - Wei Feng
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200438, P. R. China
| | - Fuyou Li
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200438, P. R. China
| |
Collapse
|
3
|
Su X, Kong X, Sun K, Liu Q, Pei Y, Hu D, Xu M, Feng W, Li F. Enhanced Blue Afterglow through Molecular Fusion for Bio‐applications. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201630] [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]
Affiliation(s)
- Xianlong Su
- Fudan University Department of Chemistry CHINA
| | | | | | - Qian Liu
- Fudan University Department of Chemistry CHINA
| | - Yuetian Pei
- Fudan University Department of Chemistry CHINA
| | - Donghao Hu
- Fudan University Department of Chemistry CHINA
| | - Ming Xu
- Fudan University Department of Chemistry CHINA
| | - Wei Feng
- Fudan University Department of Chemistry CHINA
| | - Fuyou Li
- Fudan University Department of Chemistry Handan Load 220 200433 Shanghai CHINA
| |
Collapse
|
4
|
Roy S, Maji TK. Self-assembled organic and hybrid materials derived from oligo-( p-phenyleneethynylenes). Chem Commun (Camb) 2022; 58:4149-4167. [PMID: 35274120 DOI: 10.1039/d2cc00186a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oligo-(p-Phenyleneethynylenes) (OPEs) have garnered widespread interest over the past three decades due to their excellent opto-electronic properties. However, the chief focus has been on the use of mainly small molecules or polymeric systems for the study of their structural diversity in opto-electronic applications. Recently, researchers have started delving deeper into their utility in material applications. Purely organic materials such as supramolecular polymers, self-assembled nanostructures, nanostructured organogels and single-crystalline materials derived from OPEs have already been developed and researched. Chirality has also been introduced into these systems. Additionally, these have shown physical properties such as polymorphism, liquid crystallinity, melt formation, mechanochromism, etc. All these materials have also shown excellent luminescence properties with high quantum yield and some have even shown energy harvesting properties. There have also been sporadic reports on OPE linker based hybrid systems such as metallogels and metal-organic framework (MOF) structures where structural analysis reveals the origin of tunable emission in these materials. Furthermore, by innovative structural design, unexplored properties of OPEs such as water repellency, bioimaging, drug delivery, photocatalysis, energy transfer, nanomorphology control, photoconductivity, and colour tunability could be achieved. This feature article will, therefore, encompass a detailed discussion on the development of this field as well as the analysis of the properties realized in OPE derived self-assembled supramolecular materials. The main focus will be on the following classes of materials: soft supramolecular materials, crystalline supramolecular π-systems, nanoscale metal-organic frameworks (NMOFs) and bulk metal-organic frameworks (MOFs) and how their application horizon has been expanded by integrating OPEs into their structures.
Collapse
Affiliation(s)
- Syamantak Roy
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Material (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560064, India.
| | - Tapas Kumar Maji
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Material (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560064, India.
| |
Collapse
|
5
|
Dimitriev OP. Dynamics of Excitons in Conjugated Molecules and Organic Semiconductor Systems. Chem Rev 2022; 122:8487-8593. [PMID: 35298145 DOI: 10.1021/acs.chemrev.1c00648] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The exciton, an excited electron-hole pair bound by Coulomb attraction, plays a key role in photophysics of organic molecules and drives practically important phenomena such as photoinduced mechanical motions of a molecule, photochemical conversions, energy transfer, generation of free charge carriers, etc. Its behavior in extended π-conjugated molecules and disordered organic films is very different and very rich compared with exciton behavior in inorganic semiconductor crystals. Due to the high degree of variability of organic systems themselves, the exciton not only exerts changes on molecules that carry it but undergoes its own changes during all phases of its lifetime, that is, birth, conversion and transport, and decay. The goal of this review is to give a systematic and comprehensive view on exciton behavior in π-conjugated molecules and molecular assemblies at all phases of exciton evolution with emphasis on rates typical for this dynamic picture and various consequences of the above dynamics. To uncover the rich variety of exciton behavior, details of exciton formation, exciton transport, exciton energy conversion, direct and reverse intersystem crossing, and radiative and nonradiative decay are considered in different systems, where these processes lead to or are influenced by static and dynamic disorder, charge distribution symmetry breaking, photoinduced reactions, electron and proton transfer, structural rearrangements, exciton coupling with vibrations and intermediate particles, and exciton dissociation and annihilation as well.
Collapse
Affiliation(s)
- Oleg P Dimitriev
- V. Lashkaryov Institute of Semiconductor Physics NAS of Ukraine, pr. Nauki 41, Kyiv 03028, Ukraine
| |
Collapse
|
6
|
Influence of Air Flow on Luminescence Quenching in Polymer Films towards Explosives Detection Using Drones. Polymers (Basel) 2022; 14:polym14030483. [PMID: 35160472 PMCID: PMC8839006 DOI: 10.3390/polym14030483] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 11/16/2022] Open
Abstract
Explosive detection has become an increased priority in recent years for homeland security and counter-terrorism applications. Although drones may not be able to pinpoint the exact location of the landmines and explosives, the identification of the explosive vapor present in the surrounding air provides significant information and comfort to the personnel and explosives removal equipment operators. Several optical methods, such as the luminescence quenching of fluorescent polymers, have been used for explosive detection. In order to utilize sensing technique via unmanned vehicles or drones, it is very important to study how the air flow affects the luminescence quenching. We investigated the effects of air flow on the quenching efficiency of Poly(2,5-di(2′-ethylhexyl)-1,4-ethynylene) (PEE) by TNT molecules. We treated the TNT molecules incorporated into the polymer film as non-radiative recombination centers, and found that the time derivative of the non-radiative recombination rates was greater with faster air flows. Our investigations show that relatively high air flow into an optical sensing part is crucial to achieving fast PL quenching. We also found that a “continuous light excitation” condition during the exposure of TNT vapor greatly influences the PL quenching.
Collapse
|
7
|
Chen S, Tseng Y, Lu C, Chuang C, Cheng Y. Palladium‐Catalyzed Direct Cross‐Dehydrogenative Alkynylation of Selenophenes. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100741] [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]
Affiliation(s)
- Shi‐Yen Chen
- Department of Applied Chemistry and Center for Emergent Functional Matter Science National Yang Ming Chiao Tung University Hsinchu Taiwan, ROC
| | - Yan‐Hsiang Tseng
- Department of Applied Chemistry and Center for Emergent Functional Matter Science National Yang Ming Chiao Tung University Hsinchu Taiwan, ROC
| | - Chia‐Fang Lu
- Department of Applied Chemistry and Center for Emergent Functional Matter Science National Yang Ming Chiao Tung University Hsinchu Taiwan, ROC
| | - Chun‐Yao Chuang
- Department of Applied Chemistry and Center for Emergent Functional Matter Science National Yang Ming Chiao Tung University Hsinchu Taiwan, ROC
| | - Yen‐Ju Cheng
- Department of Applied Chemistry and Center for Emergent Functional Matter Science National Yang Ming Chiao Tung University Hsinchu Taiwan, ROC
| |
Collapse
|
8
|
|
9
|
Singh B, Ahmed J, Biswas A, Paira R, Mandal SK. Reduced Phenalenyl in Catalytic Dehalogenative Deuteration and Hydrodehalogenation of Aryl Halides. J Org Chem 2021; 86:7242-7255. [PMID: 33949861 DOI: 10.1021/acs.joc.1c00573] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Dehalogenative deuteration reactions are generally performed through metal-mediated processes. This report demonstrates a mild protocol for hydrodehalogenation and dehalogenative deuteration of aryl/heteroaryl halides (39 examples) using a reduced odd alternant hydrocarbon phenalenyl under transition metal-free conditions and has been employed successfully for the incorporation of deuterium in various biologically active compounds. The combined approach of experimental and theoretical studies revealed a single electron transfer-based mechanism.
Collapse
Affiliation(s)
- Bhagat Singh
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Kolkata, Mohanpur 741246, India
| | - Jasimuddin Ahmed
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Kolkata, Mohanpur 741246, India
| | - Amit Biswas
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Kolkata, Mohanpur 741246, India
| | - Rupankar Paira
- Department of Chemistry, Maharaja Manindra Chandra College, 20 Ramkanto Bose Street, Kolkata 700003, India
| | - Swadhin K Mandal
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Kolkata, Mohanpur 741246, India
| |
Collapse
|
10
|
Yan Y, Lamport ZA, Kymissis I, Thomas SW. Resistance to Unwanted Photo-Oxidation of Multi-Acene Molecules. J Org Chem 2020; 85:12731-12739. [PMID: 32893633 DOI: 10.1021/acs.joc.0c01890] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Although long acenes remain a key class of π-conjugated molecules for numerous applications, photoinduced oxidation upon exposure of the acene to light, often through sensitization of 1O2, is an important reaction requiring mitigation for most applications. In response to this ongoing challenge, this paper presents a series of four new diarylethynyl-substituted long acenes-three tetracenes and one anthradithiophene-in which the arylene pendants are either benzene, naphthalene, or anthracene. UV/vis and fluorescence spectroscopy reveals that the anthracene-substituted derivatives fluoresce poorly (Φ < 0.01). Although all four long acenes react with 1O2 at expected rates when an external photosensitizer is included and show the expected changes in fluorescence to accompany these reactions, the anthracene-substituted derivatives resist direct photoinduced oxidation. Through a combination of mechanistic experiments, we conclude that rapid nonradiative decay of the anthracene-substituted derivatives, perhaps because of inter-arene torsions that emerge in theoretical geometry optimizations, makes these compounds poor photosensitizers for 1O2 or other reactive oxygen species. This discovery opens new design possibilities for extended acene structures with improved photochemical stability.
Collapse
Affiliation(s)
- Yu Yan
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, United States
| | - Zachary A Lamport
- Department of Electrical Engineering, Columbia University, 500 W. 120th Street, New York, New York 10027, United States
| | - Ioannis Kymissis
- Department of Electrical Engineering, Columbia University, 500 W. 120th Street, New York, New York 10027, United States
| | - Samuel W Thomas
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, United States
| |
Collapse
|
11
|
Chiu C, Yang J. Photoluminescent and Photoresponsive Iptycene‐Incorporated π‐Conjugated Systems: Fundamentals and Applications. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.201900300] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Chun‐Wei Chiu
- Department of ChemistryNational Taiwan University No 1, Sec 4, Roosevelt Rd Taipei 10617 Taiwan
| | - Jye‐Shane Yang
- Department of ChemistryNational Taiwan University No 1, Sec 4, Roosevelt Rd Taipei 10617 Taiwan
| |
Collapse
|
12
|
Crist RD, Huang Z, Guo R, Galizia M. Effect of thermal treatment on the structure and gas transport properties of a triptycene-based polybenzoxazole exhibiting configurational free volume. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117759] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
13
|
Ansari M, Hassan A, Alam A, Jana A, Das N. Triptycene based fluorescent polymers with azo motif pendants: Effect of alkyl chain on fluorescence, morphology and picric acid sensing. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2019.104408] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
|
14
|
Wang CH, Nesterov EE. Amplifying fluorescent conjugated polymer sensor for singlet oxygen detection. Chem Commun (Camb) 2019; 55:8955-8958. [DOI: 10.1039/c9cc04123k] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A “higher energy gap” concept was used to design an efficient conjugated polymer turn-on amplifying fluorescent sensor for singlet oxygen.
Collapse
Affiliation(s)
- Chun-Han Wang
- Department of Chemistry
- Louisiana State University
- Baton Rouge
- USA
| | - Evgueni E. Nesterov
- Department of Chemistry
- Louisiana State University
- Baton Rouge
- USA
- Department of Chemistry and Biochemistry
| |
Collapse
|
15
|
Ansari M, Mallik S, Mondal S, Bera R, Jana A, Nayak A, Das N. Triptycene-based fluorescent polymers with pendant alkyl chains: interaction with fullerenes and morphology of thin films. POLYM INT 2018. [DOI: 10.1002/pi.5737] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Mosim Ansari
- Department of Chemistry; Indian Institute of Technology Patna; Bihar India
| | - Samapika Mallik
- Department of Physics; Indian Institute of Technology Patna; Bihar India
| | - Snehasish Mondal
- Department of Chemistry; Indian Institute of Technology Patna; Bihar India
| | - Ranajit Bera
- Department of Chemistry; Indian Institute of Technology Patna; Bihar India
| | - Achintya Jana
- Department of Chemistry; Indian Institute of Technology Patna; Bihar India
| | - Alpana Nayak
- Department of Physics; Indian Institute of Technology Patna; Bihar India
| | - Neeladri Das
- Department of Chemistry; Indian Institute of Technology Patna; Bihar India
| |
Collapse
|
16
|
Xue W, Lin JY, Liu B, Shi NE, Yu MN, Wu WD, Zhu WS, Xie LH, Wang LH, Huang W. Exploring side-chain length effect on β-phase of polyfluorene derivatives in electrospinning and their optical behavior. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.05.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
17
|
Shu CH, Liu MX, Zha ZQ, Pan JL, Zhang SZ, Xie YL, Chen JL, Yuan DW, Qiu XH, Liu PN. On-surface synthesis of poly(p-phenylene ethynylene) molecular wires via in situ formation of carbon-carbon triple bond. Nat Commun 2018; 9:2322. [PMID: 29899408 PMCID: PMC5998079 DOI: 10.1038/s41467-018-04681-z] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Accepted: 04/30/2018] [Indexed: 11/28/2022] Open
Abstract
The carbon–carbon triple bond (–C≡C–) is an elementary constituent for the construction of conjugated molecular wires and carbon allotropes such as carbyne and graphyne. Here we describe a general approach to in situ synthesize –C≡C– bond on Cu(111) surface via homo-coupling of the trichloromethyl groups, enabling the fabrication of individual and arrays of poly(p-phenylene ethynylene) molecular wires. Scanning tunneling spectroscopy reveals a delocalized electronic state extending along these molecular wires, whose structure is unraveled by atomically resolved images of scanning tunneling microscopy and noncontact atomic force microscopy. Combined with density functional theory calculations, we identify the intermediates formed in the sequential dechlorination process, including surface-bound benzyl, carbene, and carbyne radicals. Our method overcomes the limitation of previous on-surface syntheses of –C≡C– incorporated systems, which require the precursors containing alkyne group; it therefore allows for a more flexible design and fabrication of molecular architectures with tailored properties. Incorporating carbon-carbon triple bonds into conjugated chains typically requires acetylenic precursors. Here, the authors synthesize poly(p-phenylene ethynylene) molecular wires on Cu(111) by directly coupling trichloromethyl-containing precursors, forming C-C triple bonds in situ
Collapse
Affiliation(s)
- Chen-Hui Shu
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, 200237, Shanghai, China
| | - Meng-Xi Liu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, 100190, Beijing, China
| | - Ze-Qi Zha
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, 100190, Beijing, China.,University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Jin-Liang Pan
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, 100190, Beijing, China.,University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Shao-Ze Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, 200237, Shanghai, China
| | - Yu-Li Xie
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, 200237, Shanghai, China
| | - Jian-Le Chen
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, 200237, Shanghai, China
| | - Ding-Wang Yuan
- College of Materials Science and Engineering, Hunan University, 410082, Changsha, China
| | - Xiao-Hui Qiu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, 100190, Beijing, China. .,University of Chinese Academy of Sciences, 100049, Beijing, China.
| | - Pei-Nian Liu
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, 200237, Shanghai, China.
| |
Collapse
|
18
|
Thakellapalli H, Farajidizaji B, Li S, Heller JC, Zhang Y, Akhmedov NG, Milsmann C, Petersen JL, Wang KK. Synthesis of a Cyclophane Bearing Two Benz[a]anthracene Units Connected at the 5 and 7 Positions with Two Naphth-1,4-diyl Groups. J Org Chem 2018; 83:2455-2459. [PMID: 29377690 DOI: 10.1021/acs.joc.7b03081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A synthetic pathway to a cyclophane bearing two benz[a]anthracene units connected at the 5 and 7 positions through two naphth-1,4-diyl groups was developed, and its structure was confirmed by X-ray structure analysis. Because of structural constraints, the two naphthyl groups are distorted from planarity and the bonds connecting them to the benz[a]anthracene units are bent significantly. The UV-vis and fluorescence spectra of the cyclophane are red-shifted from those of 7-(1-naphthalenyl)benz[a]anthracene, which is the corresponding monomeric polycyclic aromatic hydrocarbon.
Collapse
Affiliation(s)
- Haresh Thakellapalli
- C. Eugene Bennett Department of Chemistry, West Virginia University , Morgantown, West Virginia 26506-6045, United States
| | - Behzad Farajidizaji
- C. Eugene Bennett Department of Chemistry, West Virginia University , Morgantown, West Virginia 26506-6045, United States
| | - Shuangjiang Li
- C. Eugene Bennett Department of Chemistry, West Virginia University , Morgantown, West Virginia 26506-6045, United States
| | - Josef C Heller
- C. Eugene Bennett Department of Chemistry, West Virginia University , Morgantown, West Virginia 26506-6045, United States
| | - Yu Zhang
- C. Eugene Bennett Department of Chemistry, West Virginia University , Morgantown, West Virginia 26506-6045, United States
| | - Novruz G Akhmedov
- C. Eugene Bennett Department of Chemistry, West Virginia University , Morgantown, West Virginia 26506-6045, United States
| | - Carsten Milsmann
- C. Eugene Bennett Department of Chemistry, West Virginia University , Morgantown, West Virginia 26506-6045, United States
| | - Jeffrey L Petersen
- C. Eugene Bennett Department of Chemistry, West Virginia University , Morgantown, West Virginia 26506-6045, United States
| | - Kung K Wang
- C. Eugene Bennett Department of Chemistry, West Virginia University , Morgantown, West Virginia 26506-6045, United States
| |
Collapse
|
19
|
Chiang CH, Pangeni D, Nesterov EE. Higher Energy Gap Control of Fluorescence in Conjugated Polymers: Turn-On Amplifying Chemosensor for Hydrogen Sulfide. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b01706] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Chien-Hung Chiang
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Deepa Pangeni
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Evgueni E. Nesterov
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| |
Collapse
|
20
|
Koo B, Swager TM. Distinct Interfacial Fluorescence in Oil-in-Water Emulsions via Exciton Migration of Conjugated Polymers. Macromol Rapid Commun 2017; 38. [PMID: 28771879 DOI: 10.1002/marc.201700262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Revised: 06/01/2017] [Indexed: 11/09/2022]
Abstract
Commercial dyes are extensively utilized to stain specific phases for the visualization applications in emulsions and bioimaging. In general, dyes emit only one specific fluorescence signal and thus, in order to stain various phases and/or interfaces, one needs to incorporate multiple dyes and carefully consider their compatibility to avoid undesirable interactions with each other and with the components in the system. Herein, surfactant-type, perylene-endcapped fluorescent conjugated polymers that exhibit two different emissions are reported, which are cyan in water and red at oil-water interfaces. The interfacially distinct red emission results from enhanced exciton migration from the higher-bandgap polymer backbone to the lower-bandgap perylene endgroup. The confocal microscopy images exhibit the localized red emission exclusively from the circumference of oil droplets. This exciton migration and dual fluorescence of the polymers in different physical environments can provide a new concept of visualization methods in many amphiphilic colloidal systems and bioimaging.
Collapse
Affiliation(s)
- Byungjin Koo
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Timothy M Swager
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| |
Collapse
|
21
|
Xu L, Yang HB. Our Expedition in Linear Neutral Platinum-Acetylide Complexes: The Preparation of Micro/nanostructure Materials, Complicated Topologies, and Dye-Sensitized Solar Cells. CHEM REC 2016; 16:1274-97. [PMID: 27097565 DOI: 10.1002/tcr.201500271] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Indexed: 01/12/2023]
Abstract
During the past few decades, the construction of various kinds of platinum-acetylide complexes has attracted considerable attention, because of their wide applications in photovoltaic cells, non-linear optics, and bio-imaging materials. Among these platinum-acetylide complexes, the linear neutral platinum-acetylide complexes, due to their attractive properties, such as well-defined linear geometry, synthetic accessibility, and intriguing photoproperties, have emerged as a rising star in this field. In this personal account, we will discuss how we entered the field of linear neutral platinum-acetylide chemistry and what we found in this field. The preparation of various types of linear neutral platinum-acetylide complexes and their applications in the areas of micro/nanostructure materials, complicated topologies, and dye-sensitized solar cells will be summarized in this account.
Collapse
Affiliation(s)
- Lin Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai, 200062, P. R. China
| | - Hai-Bo Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai, 200062, P. R. China
| |
Collapse
|
22
|
Chen PZ, Weng YX, Niu LY, Chen YZ, Wu LZ, Tung CH, Yang QZ. Light-Harvesting Systems Based on Organic Nanocrystals To Mimic Chlorosomes. Angew Chem Int Ed Engl 2016; 55:2759-63. [DOI: 10.1002/anie.201510503] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Peng-Zhong Chen
- Key Laboratory of Radiopharmaceuticals, Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 China
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Yu-Xiang Weng
- Key Laboratory of Soft Matter physics; Institute of Physics; Chinese Academy of Sciences; Beijing 100190 China
| | - Li-Ya Niu
- Key Laboratory of Radiopharmaceuticals, Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 China
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Yu-Zhe Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Chen-Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Qing-Zheng Yang
- Key Laboratory of Radiopharmaceuticals, Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 China
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| |
Collapse
|
23
|
Chen PZ, Weng YX, Niu LY, Chen YZ, Wu LZ, Tung CH, Yang QZ. Light-Harvesting Systems Based on Organic Nanocrystals To Mimic Chlorosomes. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201510503] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Peng-Zhong Chen
- Key Laboratory of Radiopharmaceuticals, Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 China
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Yu-Xiang Weng
- Key Laboratory of Soft Matter physics; Institute of Physics; Chinese Academy of Sciences; Beijing 100190 China
| | - Li-Ya Niu
- Key Laboratory of Radiopharmaceuticals, Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 China
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Yu-Zhe Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Chen-Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Qing-Zheng Yang
- Key Laboratory of Radiopharmaceuticals, Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 China
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| |
Collapse
|
24
|
Kohl B, Rominger F, Mastalerz M. Crystal Structures of a Molecule Designed Not To Pack Tightly. Chemistry 2015; 21:17308-13. [PMID: 26450149 DOI: 10.1002/chem.201502847] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Indexed: 11/12/2022]
Abstract
Organic molecules of intrinsic microporosity (OMIMs) are structurally constructed to not pack tightly. Consequently, only weak interactions between OMIM molecules can occur, which is the reason that almost all OMIMs have been described and investigated in their amorphous states. For the same reason it is very difficult to grow single crystals of OMIMs for X-ray structural analysis. Here we describe four different polymorphs of an OMIM that was before only described in the amorphous state.
Collapse
Affiliation(s)
- Bernd Kohl
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 273, 69120 Heidelberg (Germany)
| | - Frank Rominger
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 273, 69120 Heidelberg (Germany)
| | - Michael Mastalerz
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 273, 69120 Heidelberg (Germany).
| |
Collapse
|
25
|
Reinhard D, Rominger F, Mastalerz M. Synthesis of Triphenylene-Based Triptycenes via Suzuki-Miyaura Cross-Coupling and Subsequent Scholl Reaction. J Org Chem 2015; 80:9342-8. [PMID: 26315496 DOI: 10.1021/acs.joc.5b01520] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A two-step method (Suzuki-Miyaura cross-coupling, followed by Scholl oxidation) to triphenylene-based triptycenes is described, rendering a variety of π-extended triptycenes accessible in high yields and without the necessity of column chromatography purification. The versatility of this reaction has been demonstrated in the synthesis of a supertriptycene in only four steps and high yields.
Collapse
Affiliation(s)
- Dennis Reinhard
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg , Im Neuenheimer Feld 273, 69120 Heidelberg, Germany
| | - Frank Rominger
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg , Im Neuenheimer Feld 273, 69120 Heidelberg, Germany
| | - Michael Mastalerz
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg , Im Neuenheimer Feld 273, 69120 Heidelberg, Germany
| |
Collapse
|
26
|
Kawai S, Saito S, Osumi S, Yamaguchi S, Foster AS, Spijker P, Meyer E. Atomically controlled substitutional boron-doping of graphene nanoribbons. Nat Commun 2015; 6:8098. [PMID: 26302943 PMCID: PMC4560828 DOI: 10.1038/ncomms9098] [Citation(s) in RCA: 241] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 07/15/2015] [Indexed: 12/21/2022] Open
Abstract
Boron is a unique element in terms of electron deficiency and Lewis acidity. Incorporation of boron atoms into an aromatic carbon framework offers a wide variety of functionality. However, the intrinsic instability of organoboron compounds against moisture and oxygen has delayed the development. Here, we present boron-doped graphene nanoribbons (B-GNRs) of widths of N=7, 14 and 21 by on-surface chemical reactions with an employed organoboron precursor. The location of the boron dopant is well defined in the centre of the B-GNR, corresponding to 4.8 atom%, as programmed. The chemical reactivity of B-GNRs is probed by the adsorption of nitric oxide (NO), which is most effectively trapped by the boron sites, demonstrating the Lewis acid character. Structural properties and the chemical nature of the NO-reacted B-GNR are determined by a combination of scanning tunnelling microscopy, high-resolution atomic force microscopy with a CO tip, and density functional and classical computations.
Collapse
Affiliation(s)
- Shigeki Kawai
- Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland.,PRESTO, Japan Science and Technology Agency, 4-1-8, Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Shohei Saito
- PRESTO, Japan Science and Technology Agency, 4-1-8, Honcho, Kawaguchi, Saitama 332-0012, Japan.,Department of Chemistry, Graduate School of Science, Nagoya University, Furo, Chikusa, Nagoya 464-8602, Japan
| | - Shinichiro Osumi
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo, Chikusa, Nagoya 464-8602, Japan
| | - Shigehiro Yamaguchi
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo, Chikusa, Nagoya 464-8602, Japan.,Institute of Transformative Bio-molecules, Nagoya University, Furo, Chikusa, Nagoya 464-8602, Japan.,CREST, Japan Science and Technology Agency, 4-1-8, Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Adam S Foster
- COMP, Department of Applied Physics, Aalto University, PO Box 11100, FI-00076 Helsinki, Finland
| | - Peter Spijker
- COMP, Department of Applied Physics, Aalto University, PO Box 11100, FI-00076 Helsinki, Finland
| | - Ernst Meyer
- Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland
| |
Collapse
|
27
|
Kohl B, Rominger F, Mastalerz M. A Pyrene-FusedN-Heteroacene with Eleven Rectilinearly Annulated Aromatic Rings. Angew Chem Int Ed Engl 2015; 54:6051-6. [DOI: 10.1002/anie.201411972] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 03/04/2015] [Indexed: 11/11/2022]
|
28
|
Kohl B, Rominger F, Mastalerz M. Ein Pyren-fusioniertes N-Heteroacen mit elf linear anellierten aromatischen Ringen. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201411972] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
29
|
Toyota S, Karashima S, Iwanaga T. Synthesis and Properties of Extended π-Conjugated Compounds with 9,10-Bis(phenylethynyl)anthracene Units. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20140279] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Shinji Toyota
- Department of Chemistry, Faculty of Science, Okayama University of Science
| | - Sayaka Karashima
- Department of Chemistry, Faculty of Science, Okayama University of Science
| | - Tetsuo Iwanaga
- Department of Chemistry, Faculty of Science, Okayama University of Science
| |
Collapse
|
30
|
Toyota S, Iwanaga T. Effective Synthesis of Ethynylanthracene Derivatives and Their Applications to Oligomer Synthesis. J SYN ORG CHEM JPN 2015. [DOI: 10.5059/yukigoseikyokaishi.73.328] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
31
|
Li X, Bird M, Mauro G, Asaoka S, Cook AR, Chen HC, Miller JR. Transport of Triplet Excitons along Continuous 100 nm Polyfluorene Chains. J Phys Chem B 2014; 119:7210-8. [DOI: 10.1021/jp509396s] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiang Li
- Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Matthew Bird
- Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Gina Mauro
- Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Sadayuki Asaoka
- Department
of Biomolecular Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Andrew R. Cook
- Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Hung-Cheng Chen
- Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973, United States
- Department
of Materials Science and Engineering, Stony Brook University, Stony Brook, New York 11790, United States
| | - John R. Miller
- Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973, United States
| |
Collapse
|
32
|
Zhang J, Wu NW, Xu XD, Li QJ, Wang CH, Tan H, Xu L. Branched platinum–acetylide complexes: synthesis, properties, and their aggregation behavior. RSC Adv 2014. [DOI: 10.1039/c3ra46957c] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
|
33
|
Ma YX, Meng Z, Chen CF. A novel pentiptycene bis(crown ether)-based [2](2)rotaxane whose two DB24C8 rings act as flapping wings of a butterfly. Org Lett 2014; 16:1860-3. [PMID: 24635015 DOI: 10.1021/ol500149k] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A novel [2](2)rotaxane based on pentiptycene-derived bis(crown ether) can be efficiently synthesized via a "click chemistry" method and the subsequent N-methylation. Due to the different affinities of DB24C8 with the ammonium and triazolium stations, the wing-flapping movement of the DB24C8 "wings" in the [2](2)rotaxane can be easily achieved by acid/base stimulus.
Collapse
Affiliation(s)
- Ying-Xian Ma
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | | | | |
Collapse
|
34
|
You J, Park T, Kim J, Heo JS, Kim HS, Kim HO, Kim E. Highly fluorescent conjugated polyelectrolyte for protein sensing and cell-compatible chemosensing applications. ACS APPLIED MATERIALS & INTERFACES 2014; 6:3305-3311. [PMID: 24527754 DOI: 10.1021/am500269t] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Using a highly fluorescent, water-soluble polymer derived from a triazine-bridged copolymer (DTMSPV), we explored the tunable fluorescence properties of the water-soluble DTMSPV by solvent polarity to function as a fluorescence sensory probe for protein sensing. The green-blue fluorescence from DTMSPV was significantly enhanced in the presence of bovine serum albumin through hydrophobic interactions. Meanwhile, complete quenching of the fluorescence from DTMSPV occurred in the presence of hemoglobin through iron complexation with the polyelectrolyte. In addition, the DTMSPVs were highly fluorescent and permeated into living mesenchymal stem cells (MSCs), enabling effective imaging of the MSCs. This permeation into stem cells is crucial to the detection of Al(3+) in living MSCs. The interaction between the triazine units in DTMSPV with the Al(3+) ions allows for the detection of Al(3+) in living cells. Thus, a strong fluorescence from living MSCs pretreated with DTMSPV was quenched as a function of the Al(3+) concentration, confirming that DTMSPV is a cell-permeable fluorescent polymer that can function as a versatile probe to detect Al(3+) in living cells.
Collapse
Affiliation(s)
- Jungmok You
- Department of Chemical and Biomolecular Engineering, Yonsei University , and §Cell Therapy Center, Severance Hospital, and ⊥Department of Laboratory Medicine, Yonsei University College of Medicine , 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea
| | | | | | | | | | | | | |
Collapse
|
35
|
Imsick BG, Acharya JR, Nesterov EE. Surface-immobilized monolayers of conjugated oligomers as a platform for fluorescent sensors design: the effect of exciton delocalization on chemosensing performance. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:120-124. [PMID: 23070970 DOI: 10.1002/adma.201202638] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 09/18/2012] [Indexed: 06/01/2023]
Abstract
Surface-immobilized monolayers of fluorescent molecular sensors consisting of a short conjugated oligo(p-phenylene ethynylene) core end-capped with an acceptor fluorophore (analyte receptor) display significant signal amplification due to enhanced intermolecular energy transfer within the monolayer. This general phenomenon offers a superior platform for designing ratiometric fluorescent sensors. An example of how this can be used to convert a narrow-range threshold fluorescent pH indicator (fluorescein) to a broad-range ratiometric fluorescent chemosensor is described.
Collapse
Affiliation(s)
- Brian G Imsick
- Department of Chemistry, Louisiana State University, Baton Rouge, 70803, USA
| | | | | |
Collapse
|
36
|
Imsick BG, Acharya JR, Nesterov EE. Thin-film ratiometric fluorescent chemosensors with tunable performance characteristics. Chem Commun (Camb) 2013; 49:7043-5. [DOI: 10.1039/c3cc43309a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
37
|
Ma YX, Han Y, Cao J, Chen CF. Complexation of a pentiptycene-derived trans-bis(crown ether) host with different terminally functionalized paraquat derivatives in solution and the solid state: a switchable complexation process controlled by potassium ions. Org Biomol Chem 2013; 11:8183-90. [DOI: 10.1039/c3ob41700j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
38
|
de Silva KMN, Hwang E, Serem WK, Fronczek FR, Garno JC, Nesterov EE. Long-chain 3,4-ethylenedioxythiophene/thiophene oligomers and semiconducting thin films prepared by their electropolymerization. ACS APPLIED MATERIALS & INTERFACES 2012; 4:5430-5441. [PMID: 22970915 DOI: 10.1021/am301349g] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A series of soluble H-terminated conjugated oligomers incorporating 3,4-ethylenedioxythiophene (EDOT) combined with a small number of thiophene units and ranging in length from four to eight EDOT/thiophene groups was prepared with the ultimate goal to investigate if facile formation of a reactive trication radical species would enable electrochemical polymerization of such long-chain oligomers. Spectroscopic and electrochemical studies of the oligomers revealed some general dependencies of their electronic properties on the total number and position of EDOT groups. It was the number of consecutive EDOT units rather than total number of these units which was found to have the most profound effect on electronic energy gap and conjugation length. This influence originates from the especially strong planarization induced in the conjugated backbone by the incorporation of EDOT units. In contrast, incorporation of thiophene units was found to result in loss of the conformational stabilization. This phenomenon was analyzed using the natural bond orbital computational approach, which revealed the predominantly hyperconjugative nature of the EDOT-induced conformational stabilization. Whereas shorter oligomers, in agreement with the general consensus, were found to be inert toward electrochemical polymerization due to low reactivity of electrochemically generated cation radical and dication species, the longest oligomer showed an unprecedentedly efficient electropolymerization to yield a stable thin film of an electroactive polymer. The efficient electropolymerization of the long-chain oligomer was found to be in agreement with the formation of a reactive trication radical species. The electronic and spectral properties of the resulting semiconducting polymer film were studied by various electrochemical and spectroelectrochemical methods, as well as conductive probe AFM technique, and revealed a number of unusual features (such as electrical rectifying switching behavior) consistent with the possibility of increased molecular order in this material.
Collapse
Affiliation(s)
- K M Nalin de Silva
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, USA
| | | | | | | | | | | |
Collapse
|
39
|
Lee WE, Han DC, Sakaguchi T, Kim YB, Lee CL, Kwak G. Finely Tuned Fluorescence Emission of Polydiphenylacetylene Films Obtained by Copolymerization. MACROMOL CHEM PHYS 2012. [DOI: 10.1002/macp.201200427] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
40
|
Yang B, Xiao M, Zhao C, Zhang S, Jiang A, Wang J. Alignment control of polythiophene chains with mesostructured silica nanofibers having different pore orientations. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2012; 8:2021-2026. [PMID: 22511540 DOI: 10.1002/smll.201200036] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2012] [Revised: 02/02/2012] [Indexed: 05/31/2023]
Abstract
Alignment control of polythiophene chains with mesostructured silica nanofibers through an organic-inorganic co-assembly approach is realized. Cationic ammonium surfactants with a polymerizable thiophene end group are synthesized and subsequently used as structure-directing agents to grow silica nanofibers with two different pore architectures. In situ polymerization produces mesostructured polythiophene-silica nanofibers with the polymer chains aligned along the pore channels.
Collapse
Affiliation(s)
- Baocheng Yang
- Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan, China
| | | | | | | | | | | |
Collapse
|
41
|
Shenawi-Khalil S, Sonavane SU, Sasson Y. Synthesis of acetylenes via dehydrobromination using solid anhydrous potassium phosphate as the base under phase-transfer conditions. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.02.085] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
42
|
Santos PL, Costa BBA, Araujo KS, Cury LA, Snedden EW, Bourdakos KN, Dias FB, Monkman AP. Measurement of interchain and intrachain exciton hopping barriers in luminescent polymer. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2012; 24:015801. [PMID: 22155890 DOI: 10.1088/0953-8984/24/1/015801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The integrated photoluminescence intensity in thin films of 'Super Yellow' copolymer has been analyzed using a Mott-like temperature dependence. This has enabled us to observe contributions from two emission channels, indicative of exciton recombination proceeding from two distinct origins. At high temperature, interchain thermally activated exciton energy transfer and migration dominates, resulting in large scale quenching of the integrated emission intensity and hence the photoluminescence quantum yield. However, at relatively low temperature, an additional increase of the integrated emission intensity occurs. This new channel of emission has been attributed to recombination from excitons where intrachain exciton energy transfer between adjacent subunits of the copolymer backbone becomes hindered. The activation energy barriers that control both of these emission channels have been obtained and are correlated with chain backbone degrees of freedom.
Collapse
Affiliation(s)
- P L Santos
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | | | | | | | | | | | | | | |
Collapse
|
43
|
Linearly polarized white fluorescence from shish-kebab type liquid crystalline poly(P-phenylenevinvlene)s with (P-phenylene)s as kebab. CHINESE JOURNAL OF POLYMER SCIENCE 2011. [DOI: 10.1007/s10118-012-1110-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
|
44
|
Distinct exciton migration pathways induced by steric hindrance in Langmuir–Blodgett films of two novel cruciform molecular wires. Chem Phys Lett 2011. [DOI: 10.1016/j.cplett.2011.11.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
45
|
Seri M, Marrocchi A, Bagnis D, Ponce R, Taticchi A, Marks TJ, Facchetti A. Molecular-shape-controlled photovoltaic performance probed via soluble π-conjugated arylacetylenic semiconductors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2011; 23:3827-3831. [PMID: 21786343 DOI: 10.1002/adma.201101700] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2011] [Indexed: 05/31/2023]
Abstract
The synthesis and characterization of a new series of anthracene-based derivatives and their use as donors in bulk-heterojunction solar cells is reported. It is found that when using well-defined building blocks in constructing the chromophore, the donor molecular shape dramatically affects organic photovoltaic (OPV) performance in a previously unrecognized way.
Collapse
Affiliation(s)
- Mirko Seri
- Department of Chemistry, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy
| | | | | | | | | | | | | |
Collapse
|
46
|
Nakayama H, Kimura S. Suppression of HOMO–LUMO Transition in a Twist Form of Oligo(phenyleneethynylene) Clamped by a Right-Handed Helical Peptide. J Phys Chem A 2011; 115:8960-8. [DOI: 10.1021/jp200997c] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hidenori Nakayama
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto-Daigaku-Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Shunsaku Kimura
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto-Daigaku-Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| |
Collapse
|
47
|
Andrew TL, Swager TM. Structure-Property relationships for exciton transfer in conjugated polymers. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/polb.22207] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
48
|
He M, Zhao L, Wang J, Han W, Yang Y, Qiu F, Lin Z. Self-assembly of all-conjugated poly(3-alkylthiophene) diblock copolymer nanostructures from mixed selective solvents. ACS NANO 2010; 4:3241-3247. [PMID: 20469844 DOI: 10.1021/nn100543w] [Citation(s) in RCA: 110] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The use of mixed selective solvents provides an effective means to control self-assembly of the all-conjugated diblock copolymer poly(3-butylthiophene)-b-poly(3-hexylthiophene) (P3BHT) into nanostructured morphologies. The solvent and temperature effects on the self-assembly of P3BHT during cooling and subsequent crystallization were explored for the first time. Depending on the poor/good solvent ratio (i.e., anisole/chloroform), P3BHT chains experience different kinetic pathways, yielding nanowires at a low anisole/chloroform ratio (< or =2:1), and nanorings coexisted with some nanowires at a high anisole/chloroform ratio (> or =6:1). The nanowires are formed as a direct consequence of strong interchain pi-pi stacking, while the formation of nanorings is governed by solvophobic interactions between conjugated blocks and the poor solvent anisole to minimize the unfavorable contacts between the P3BT block ( approximately 50 degrees C) and later P3HT (below 35 degrees C) block and anisole.
Collapse
Affiliation(s)
- Ming He
- The Key Laboratory of Molecular Engineering of Polymers, Ministry of Education, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | | | | | | | | | | | | |
Collapse
|
49
|
Ghanem BS, Hashem M, Harris KDM, Msayib KJ, Xu M, Budd PM, Chaukura N, Book D, Tedds S, Walton A, McKeown NB. Triptycene-Based Polymers of Intrinsic Microporosity: Organic Materials That Can Be Tailored for Gas Adsorption. Macromolecules 2010. [DOI: 10.1021/ma100640m] [Citation(s) in RCA: 238] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bader S. Ghanem
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, U.K
- Department of Chemistry, Taibah University, P.O. Box 344, Almadinah Almonawarah, Saudi Arabia
| | - Mohammed Hashem
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, U.K
| | | | | | - Mingcan Xu
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, U.K
| | - Peter M. Budd
- School of Chemistry, University of Manchester, Manchester, M13 9PL,U.K
| | - Nhamo Chaukura
- School of Chemistry, University of Manchester, Manchester, M13 9PL,U.K
| | - David Book
- School of Metallurgy and Materials, University of Birmingham, Birmingham, B15 2TT, U.K
| | - Steven Tedds
- School of Metallurgy and Materials, University of Birmingham, Birmingham, B15 2TT, U.K
| | - Allan Walton
- School of Metallurgy and Materials, University of Birmingham, Birmingham, B15 2TT, U.K
| | - Neil B. McKeown
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, U.K
| |
Collapse
|
50
|
Marrocchi A, Spalletti A, Ciorba S, Seri M, Elisei F, Taticchi A. Synthesis and photophysical properties of conjugated anthracene-based compounds. J Photochem Photobiol A Chem 2010. [DOI: 10.1016/j.jphotochem.2010.03.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|