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Chen X, Chen H, Fraser Stoddart J. The Story of the Little Blue Box: A Tribute to Siegfried Hünig. Angew Chem Int Ed Engl 2023; 62:e202211387. [PMID: 36131604 PMCID: PMC10099103 DOI: 10.1002/anie.202211387] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Indexed: 02/02/2023]
Abstract
The tetracationic cyclophane, cyclobis(paraquat-p-phenylene), also known as the little blue box, constitutes a modular receptor that has facilitated the discovery of many host-guest complexes and mechanically interlocked molecules during the past 35 years. Its versatility in binding small π-donors in its tetracationic state, as well as forming trisradical tricationic complexes with viologen radical cations in its doubly reduced bisradical dicationic state, renders it valuable for the construction of various stimuli-responsive materials. Since the first reports in 1988, the little blue box has been featured in over 500 publications in the literature. All this research activity would not have been possible without the seminal contributions carried out by Siegfried Hünig, who not only pioneered the syntheses of viologen-containing cyclophanes, but also revealed their rich redox chemistry in addition to their ability to undergo intramolecular π-dimerization. This Review describes how his pioneering research led to the design and synthesis of the little blue box, and how this redox-active host evolved into the key component of molecular shuttles, switches, and machines.
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Affiliation(s)
- Xiao‐Yang Chen
- Department of ChemistryNorthwestern University2145 Sheridan RoadEvanstonIllinois 60208USA
| | - Hongliang Chen
- Stoddart Institute of Molecular ScienceDepartment of ChemistryZhejiang UniversityHangzhou310027China
- ZJU-Hangzhou Global Scientific and Technological Innovation CenterHangzhou311215China
| | - J. Fraser Stoddart
- Department of ChemistryNorthwestern University2145 Sheridan RoadEvanstonIllinois 60208USA
- Stoddart Institute of Molecular ScienceDepartment of ChemistryZhejiang UniversityHangzhou310027China
- ZJU-Hangzhou Global Scientific and Technological Innovation CenterHangzhou311215China
- School of ChemistryUniversity of New South WalesSydneyNSW 2052Australia
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2
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Schreck C, Weihermüller J, Thoma P, Rosenfeldt S, Drechsler M, Förster C, Heinze K, Hörner G, Weber B. Solvent‐dependent self‐assembly of an amphiphilic copper(II) complex with bulky head groups. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200341] [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)
| | | | | | | | - Markus Drechsler
- Universitat Bayreuth Keylab Electron and Optical Microscopy GERMANY
| | - Christoph Förster
- Mainz University: Johannes Gutenberg Universitat Mainz Chemistry GERMANY
| | - Katja Heinze
- Mainz University: Johannes Gutenberg Universitat Mainz Chemistry GERMANY
| | | | - Birgit Weber
- Universitat Bayreuth Fachbereich Chemie Universitätsstr. 30, NW I 95440 Bayreuth GERMANY
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Yuan Q, Gu S, Chi Y, Zhao L, Wang D. Langmuir-Blodgett Deposition of Cellulose Nanocrystal Surfactants into Ordered Monolayers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:8495-8501. [PMID: 35776942 DOI: 10.1021/acs.langmuir.1c03440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The cellulose nanocrystals (CNCs) are shown to interact with amine-functionalized polyhedral oligomeric silsesquioxane (POSS-NH2) strongly at the water/oil interface, forming the CNC-POSS assemblies, that is, CNC surfactants that decrease the interfacial tension of the water/chloroform greatly. When bringing the CNC aqueous solution and POSS chloroform solution into a Langmuir trough, they form a monolayer of the CNC surfactants. Upon applying a continuous compression, a distinct transition appears in the surface pressure-area curves, and during this transition, the packing of the CNC surfactants in the produced monolayers transits from network-like patterns to ordered alignment.
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Affiliation(s)
- Qingqing Yuan
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
| | - Sheng Gu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yongjie Chi
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
| | - Lingyun Zhao
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
| | - Dong Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
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Zheng W, Xie R, Liang X, Liang Q. Fabrication of Biomaterials and Biostructures Based On Microfluidic Manipulation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2105867. [PMID: 35072338 DOI: 10.1002/smll.202105867] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 12/22/2021] [Indexed: 06/14/2023]
Abstract
Biofabrication technologies are of importance for the construction of organ models and functional tissue replacements. Microfluidic manipulation, a promising biofabrication technique with micro-scale resolution, can not only help to realize the fabrication of specific microsized structures but also build biomimetic microenvironments for biofabricated tissues. Therefore, microfluidic manipulation has attracted attention from researchers in the manipulation of particles and cells, biochemical analysis, tissue engineering, disease diagnostics, and drug discovery. Herein, biofabrication based on microfluidic manipulation technology is reviewed. The application of microfluidic manipulation technology in the manufacturing of biomaterials and biostructures with different dimensions and the control of the microenvironment is summarized. Finally, current challenges are discussed and a prospect of microfluidic manipulation technology is given. The authors hope this review can provide an overview of microfluidic manipulation technologies used in biofabrication and thus steer the current efforts in this field.
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Affiliation(s)
- Wenchen Zheng
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Ruoxiao Xie
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Xiaoping Liang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangdong, 510006, China
| | - Qionglin Liang
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
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Deng X, Zheng SL, Zhong YH, Hu J, Chung LH, He J. Conductive MOFs based on Thiol-functionalized Linkers: Challenges, Opportunities, and Recent Advances. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214235] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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6
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Synthesis, surface activity, self-aggregation and cytotoxicity of ruthenium(II) and Oxovanadium(IV) based metallo-surfactants. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Sun Q, Pan Q, Ban Y, Liu H, Fan C, Sun L, Zhao Y. Donor-Acceptor Interactions Induced Interfacial Synthesis of an Ultrathin Fluoric 2D Polymer by Photochemical [2+2] Cycloaddition. Chemistry 2021; 27:3661-3664. [PMID: 33264450 DOI: 10.1002/chem.202004797] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/26/2020] [Indexed: 01/02/2023]
Abstract
Two-dimensional polymers (2DPs) have attracted much interest due to their unique 2D atomic-thick covalent network with periodically linked monomers. The preparation of mono- or few-layered 2DPs with highly ordered structures is still a big challenge. Herein, we report a preparation of ultrathin 2DP film based on photo-triggered [2+2] cycloaddition at the air/water interface. The pre-assembly process induced by the D-A interactions before the polymerization plays a key role in constructing the highly ordered structure. The precise structure and chemical compositions of the continuous 2DP films were proved by selected area electron diffraction (SAED), Tip-Enhanced Raman Spectroscopy (TERS) and molecular-mechanics-based structural simulation.
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Affiliation(s)
- Qingzhu Sun
- Engineering Research Center of High Performance Polymer and Molding Technology, Ministry of Education, College of, Polymer and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Qingyan Pan
- Engineering Research Center of High Performance Polymer and Molding Technology, Ministry of Education, College of, Polymer and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Yanqi Ban
- Engineering Research Center of High Performance Polymer and Molding Technology, Ministry of Education, College of, Polymer and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Hui Liu
- Engineering Research Center of High Performance Polymer and Molding Technology, Ministry of Education, College of, Polymer and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Chunyan Fan
- Engineering Research Center of High Performance Polymer and Molding Technology, Ministry of Education, College of, Polymer and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Lishui Sun
- Engineering Research Center of High Performance Polymer and Molding Technology, Ministry of Education, College of, Polymer and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Yingjie Zhao
- Engineering Research Center of High Performance Polymer and Molding Technology, Ministry of Education, College of, Polymer and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
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Ghorai P, Dey A, Brandão P, Benmansour S, Gómez García CJ, Ray PP, Saha A. Multifunctional Ni(II)-Based Metamagnetic Coordination Polymers for Electronic Device Fabrication. Inorg Chem 2020; 59:8749-8761. [DOI: 10.1021/acs.inorgchem.0c00389] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pravat Ghorai
- Department of Chemistry, Jadavpur University, Kolkata 700032, India
| | - Arka Dey
- Department of Physics, Jadavpur University, Kolkata 700032, India
- Department of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sec. III, Salt Lake, Kolkata 700106, India
| | - Paula Brandão
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Samia Benmansour
- Instituto de Ciencia Molecular, Departamento de Química Inorgánica, Universidad de Valencia, C/José Beltrán, 2, 46980 Paterna (Valencia), Spain
| | - Carlos J. Gómez García
- Instituto de Ciencia Molecular, Departamento de Química Inorgánica, Universidad de Valencia, C/José Beltrán, 2, 46980 Paterna (Valencia), Spain
| | | | - Amrita Saha
- Department of Chemistry, Jadavpur University, Kolkata 700032, India
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Miura YF, Akiyama H, Sugimoto N, Akagi Y, Aoyama T, Shiroishi H, Takahashi M. Spherulitic Crystallization in Langmuir-Blodgett Films of the Ditetradecyldimethylammonium-Au(dmit) 2 Salt. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:554-562. [PMID: 31867973 DOI: 10.1021/acs.langmuir.9b03677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Spherulitic crystallization in Langmuir-Blodgett (LB) films of the ditetradecyldimethylammonium-Au(dmit)2 [2C14N+Me2-Au(dmit)2] salt has been characterized by polarized light microscopy, Fourier-transform infrared (FT-IR) spectroscopy, and X-ray diffraction (XRD) analyses. Analyses by differential scanning calorimetry (DSC) for the bulk crystals indicate that annealing in the temperature range of 58-100 °C may be appropriate to improve the order in the LB film. The polarized light microscopy measurement further revealed that a spherulite structure was formed after the film was annealed at 80 °C for 60 min. FT-IR spectroscopy measurements demonstrated that the order of the principal hydrocarbon chains was improved and that the rotation of CH3 groups was hindered by the annealing. Out-of-plane XRD analyses revealed that the d-spacing of the 2C14N+Me2-Au(dmit)2 LB film changed from 3.1 to 2.5 nm upon annealing. We hypothesize that a layered structure with interdigitated hydrocarbon chains, which is equivalent to or close to that of the corresponding bulk crystal, has been realized in the LB film by annealing. We consider that two different kinds of one-dimensional (1D) interactions along the a-axis are the driving forces to realize the spherulite structure in the LB system; one is an extended 1D contact due to the pronounced interdigitation of the alkyl chains of the ammonium ion, which plays a role similar to that of the folding of chains in the lamellar structures of polymers, and the other is a 1D extended sulfur-sulfur contact between Au(dmit)2 dimer pairs. So far, spherulite formation in LB films has been reported almost exclusively for polymerized materials. Here, we demonstrate that a spherulite texture can also be formed in LB films based on nonpolymerized materials via the interdigitation of hydrocarbon chains, leading to a new well-ordered state.
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Affiliation(s)
- Yasuhiro F Miura
- Department of Physics , Hamamatsu University School of Medicine , Hamamatsu , Shizuoka 431-3192 , Japan
- Graduate School of Engineering , Toin University of Yokohama , Yokohama , Kanagawa 225-8503 , Japan
| | - Hironari Akiyama
- Graduate School of Engineering , Toin University of Yokohama , Yokohama , Kanagawa 225-8503 , Japan
| | - Naoki Sugimoto
- Graduate School of Engineering , Toin University of Yokohama , Yokohama , Kanagawa 225-8503 , Japan
| | - Yoshiya Akagi
- Department of Physics , Hamamatsu University School of Medicine , Hamamatsu , Shizuoka 431-3192 , Japan
| | - Tetsuya Aoyama
- Elements Chemistry Laboratory , RIKEN Cluster for Pioneering Research (CPR) , Wako , Saitama 351-0198 , Japan
| | - Hidenobu Shiroishi
- Department of Chemical Science and Engineering , Tokyo National College of Technology , Hachioji , Tokyo 193-0997 , Japan
| | - Mitsuo Takahashi
- Department of Chemical Science and Engineering , Tokyo National College of Technology , Hachioji , Tokyo 193-0997 , Japan
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10
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Bhattacharyya A, Sanyal MK, Mogera U, George SJ, Dhiman S, Kulkarni GU, Fontaine P. Formation of Two-Dimensional Network of Organic Charge-Transfer Complexes at the Air-Water Interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:12630-12635. [PMID: 31532685 DOI: 10.1021/acs.langmuir.9b01635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The air-water interface is an ideal platform to produce two-dimensional (2D) structures involving anything from simple organic molecules to supramolecular moieties by exploiting hydrophobic-hydrophilic interactions. Here, we show, using grazing incidence X-ray scattering, the formation of a 2D ordered structure of a charge-transfer (C-T) complex, namely, dodecyl methyl viologen (DMV) as acceptor and coronene tetracarboxylate potassium salt (CS) as donor, at the air-water interface. We have observed a phase transition in the 2D ordered structure as the area per molecule is decreased with increasing surface pressure in a Langmuir trough. The high-pressure ordering of the hydrocarbon chains associated with DMV destroys long-range C-T conjugation of DMV and CS at the air-water interface. Our results also explain the formation of DMV-CS cylindrical reverse micelles and eventually long nanowires that get formed in the self-assembly process in the bulk medium to preserve both the C-T conjugation and the organic tail-tail organization.
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Affiliation(s)
- Arpan Bhattacharyya
- Saha Institute of Nuclear Physics , 1/AF , Bidhannagar , Kolkata 700064 , India
- Jawaharlal Nehru Centre for Advanced Scientific Research , Jakkur, Bangalore 560064 , India
| | - Milan K Sanyal
- Saha Institute of Nuclear Physics , 1/AF , Bidhannagar , Kolkata 700064 , India
- Jawaharlal Nehru Centre for Advanced Scientific Research , Jakkur, Bangalore 560064 , India
| | - Umesha Mogera
- Jawaharlal Nehru Centre for Advanced Scientific Research , Jakkur, Bangalore 560064 , India
| | - Subi J George
- Jawaharlal Nehru Centre for Advanced Scientific Research , Jakkur, Bangalore 560064 , India
| | - Shikha Dhiman
- Jawaharlal Nehru Centre for Advanced Scientific Research , Jakkur, Bangalore 560064 , India
| | - Giridhar U Kulkarni
- Jawaharlal Nehru Centre for Advanced Scientific Research , Jakkur, Bangalore 560064 , India
- Centre for Nano and Soft Matter Sciences , Jalahalli P.O. , Bangalore 560013 , India
| | - Philippe Fontaine
- SOLEIL Synchrotron, L'Orme des Merisiers , Saint-Aubin - BP48 , 91192 GIF-sur-YVETTE CEDEX, France
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Venkataraman A, Amadi EV, Chen Y, Papadopoulos C. Carbon Nanotube Assembly and Integration for Applications. NANOSCALE RESEARCH LETTERS 2019; 14:220. [PMID: 31263975 PMCID: PMC6603253 DOI: 10.1186/s11671-019-3046-3] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Accepted: 06/10/2019] [Indexed: 05/02/2023]
Abstract
Carbon nanotubes (CNTs) have attracted significant interest due to their unique combination of properties including high mechanical strength, large aspect ratios, high surface area, distinct optical characteristics, high thermal and electrical conductivity, which make them suitable for a wide range of applications in areas from electronics (transistors, energy production and storage) to biotechnology (imaging, sensors, actuators and drug delivery) and other applications (displays, photonics, composites and multi-functional coatings/films). Controlled growth, assembly and integration of CNTs is essential for the practical realization of current and future nanotube applications. This review focuses on progress to date in the field of CNT assembly and integration for various applications. CNT synthesis based on arc-discharge, laser ablation and chemical vapor deposition (CVD) including details of tip-growth and base-growth models are first introduced. Advances in CNT structural control (chirality, diameter and junctions) using methods such as catalyst conditioning, cloning, seed-, and template-based growth are then explored in detail, followed by post-growth CNT purification techniques using selective surface chemistry, gel chromatography and density gradient centrifugation. Various assembly and integration techniques for multiple CNTs based on catalyst patterning, forest growth and composites are considered along with their alignment/placement onto different substrates using photolithography, transfer printing and different solution-based techniques such as inkjet printing, dielectrophoresis (DEP) and spin coating. Finally, some of the challenges in current and emerging applications of CNTs in fields such as energy storage, transistors, tissue engineering, drug delivery, electronic cryptographic keys and sensors are considered.
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Affiliation(s)
- Anusha Venkataraman
- Department of Electrical and Computer Engineering, University of Victoria, P.O. Box 1700 STN CSC, Victoria, BC V8W 2Y2 Canada
| | - Eberechukwu Victoria Amadi
- Department of Electrical and Computer Engineering, University of Victoria, P.O. Box 1700 STN CSC, Victoria, BC V8W 2Y2 Canada
| | - Yingduo Chen
- Department of Electrical and Computer Engineering, University of Victoria, P.O. Box 1700 STN CSC, Victoria, BC V8W 2Y2 Canada
| | - Chris Papadopoulos
- Department of Electrical and Computer Engineering, University of Victoria, P.O. Box 1700 STN CSC, Victoria, BC V8W 2Y2 Canada
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Li T, Lilja K, Morris RJ, Brandani GB. Langmuir–Blodgett technique for anisotropic colloids: Young investigator perspective. J Colloid Interface Sci 2019; 540:420-438. [DOI: 10.1016/j.jcis.2019.01.044] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 01/10/2019] [Accepted: 01/11/2019] [Indexed: 10/27/2022]
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Hussain SA, Dey B, Bhattacharjee D, Mehta N. Unique supramolecular assembly through Langmuir - Blodgett (LB) technique. Heliyon 2018; 4:e01038. [PMID: 30582053 PMCID: PMC6298938 DOI: 10.1016/j.heliyon.2018.e01038] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 06/30/2018] [Accepted: 12/07/2018] [Indexed: 12/05/2022] Open
Abstract
The Langmuir-Blodgett (LB) technique is a way of making supra-molecular assembly in ultrathin films with a controlled layered structure and crystal parameter, which have many envisioned technological applications for optical and molecular electronic devices as well as signal processing and transformation. Probably LB technique is the best method to manipulate materials at molecular level and provides a scope to realize the molecular electronics in reality. In this review article, we have discussed about the general introduction of LB technique and recent development on LB and related system including (i) LB methodology, (ii) characterizations of LB films, (iii) LB films and molecular electronics, (iv) historical review of LB films, (v) research and applications including fundamental research and application towards devices.
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Affiliation(s)
- Syed Arshad Hussain
- Thin Film and Nanoscience Laboratory, Department of Physics, Tripura University, Suryamaninagar 799022, Tripura, India
| | - Bapi Dey
- Thin Film and Nanoscience Laboratory, Department of Physics, Tripura University, Suryamaninagar 799022, Tripura, India
| | - D. Bhattacharjee
- Thin Film and Nanoscience Laboratory, Department of Physics, Tripura University, Suryamaninagar 799022, Tripura, India
| | - N. Mehta
- Physics Department, Institute of Science, Banaras Hindu University, Varanasi 221005, India
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Yamamoto S, Nishina N, Matsui J, Miyashita T, Mitsuishi M. High-Density and Monolayer-Level Integration of π-Conjugated Units: Amphiphilic Carbazole Homopolymer Langmuir-Blodgett Films. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:10491-10497. [PMID: 30146888 DOI: 10.1021/acs.langmuir.8b01694] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Precise integration of π-conjugated units is a key issue to achieve molecular (nano) electronic devices based on organic semiconductor materials. We specifically examine the Langmuir-Blodgett technique, which allows high-density integration of π-conjugated units. In this study, we designed a carbazole containing acrylamide-based homopolymer [poly(9-ethyl-3-carbazolyl acrylamide) (pCzAA)], in which the π-conjugated unit is connected with a hydrophilic amide unit directly as a side chain. Its Langmuir-Blodgett film formation properties were investigated. The pCzAA polymer took a stable monolayer formation in the presence of a small amount (ca. 10 mol %) of poly( N-dodecylacrylamide) (pDDA). Compared with amphiphilic carbazole-containing copolymers described in earlier reports, the direct connection of π-conjugated units through amide bonding enables the Cz content in monolayers to exceed that of the copolymer monolayers (ca. 30 mol %) dramatically. pCzAA:pDDA takes highly ordered layer structures toward the out-of-plane direction, although no structural order is formed in the in-plane direction. This method is a practical means to develop low-dimensional and high-density integration of π-conjugated units for molecular electronics.
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Affiliation(s)
- Shunsuke Yamamoto
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM) , Tohoku University , 2-1-1 Katahira , Aoba-ku, Sendai 980-8577 , Japan
| | - Nanae Nishina
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM) , Tohoku University , 2-1-1 Katahira , Aoba-ku, Sendai 980-8577 , Japan
| | - Jun Matsui
- Department of Material and Biological Chemistry, Faculty of Science , Yamagata University , 1-4-12 Kojirakawamachi , Yamagata 990-8560 , Japan
| | - Tokuji Miyashita
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM) , Tohoku University , 2-1-1 Katahira , Aoba-ku, Sendai 980-8577 , Japan
| | - Masaya Mitsuishi
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM) , Tohoku University , 2-1-1 Katahira , Aoba-ku, Sendai 980-8577 , Japan
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Dong R, Zhang T, Feng X. Interface-Assisted Synthesis of 2D Materials: Trend and Challenges. Chem Rev 2018; 118:6189-6235. [DOI: 10.1021/acs.chemrev.8b00056] [Citation(s) in RCA: 378] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Renhao Dong
- Department of Chemistry and Food Chemistry & Center for Advancing Electronics Dresden, Technische Universität Dresden, 01062 Dresden, Germany
| | - Tao Zhang
- Department of Chemistry and Food Chemistry & Center for Advancing Electronics Dresden, Technische Universität Dresden, 01062 Dresden, Germany
| | - Xinliang Feng
- Department of Chemistry and Food Chemistry & Center for Advancing Electronics Dresden, Technische Universität Dresden, 01062 Dresden, Germany
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Sun J, Li J, Liu D, Ma Y, Yang S. pH-Responsive Janus Film Constructed with Hydrogen-Bonding Assembly and Dopamine Chemistry. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:6653-6659. [PMID: 29715430 DOI: 10.1021/acs.langmuir.7b04339] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Poly(acrylic acid) (PAA) was partially grafted with dopamine (PAA-dopa), and then layer-by-layer assembled with poly(vinylpyrrolidone) (PVPON) to prepare hydrogen-bonded (PVPON/PAA-dopa) n film. Polydopamine (PDA) was deposited on (PVPON/PAA-dopa) n film in the presence of oxidant, and hence the whole (PVPON/PAA-dopa) nPDA film was cross-linked. (PVPON/PAA-dopa) nPDA could be utilized as a platform to produce the free-standing Janus film because of the easy detaching process and various chemical reactivity of PDA layer. Ag nanoparticles were formed on (PVPON/PAA-dopa) nPDA film by electroless metallization. 1 H,1 H,2 H,2 H-Perfluorodecanethiol (PFDT) was used to further modify the film through Michael addition. After detaching from the substrate, (PVPON/PAA-dopa)20PDA/Ag/PFDT exhibits reversible swelling-shrinking behavior as the pH value changes. This free-standing film shows Janus character, one side is hydrophobic, whereas the other side is hydrophilic. In addition, the hydrophobic surface exhibits a surface-enhanced Raman scattering effect, whereas the hydrophilic side does not.
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Yu F, Li J, Cao ZH, Kurmoo M, Zuo JL. Electrical Conductivity of Copper Hexamers Tuned by their Ground-State Valences. Inorg Chem 2018. [PMID: 29517912 DOI: 10.1021/acs.inorgchem.8b00243] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new design concept has been realized for the construction of molecular conductors, whereby the building unit contains a core reservoir of carriers made up of metal ions with controllable valence states and shelled by flat organic ligands having an extended π-system to promote supramolecular electronic communication. Therefore, reacting the conjugated multidentate ligand 5,5'-pyridyl-3,3'-bi-1 H-pyrazole with different copper salts solvothermally led to three interesting hexameric salts having different ground-state valences, [CuII6(L)4(NO3)(CH3OH)2](NO3)3·4CH3OH, [(CH3)2NH2][CuICuII5(L)4](SO4)2·4H2O, and [CuI2CuII4(L)4](NO3)2·2CH3OH. The monovalent CuII6 salt is an insulator, but the mixed-valent CuII5-CuI and CuII4-CuI2 salts are semiconductors. Magnetic exchange interactions up to JNN = -158 cm-1 dominate the susceptibilities and lead to ground-state spin ST = 1 (CuII6), 1/2 (CuII5-CuI), and 0 (CuII4-CuI2) at 40 K. Cyclic voltammetry shows the stepwise one-electron oxidation-reduction through all the possible valence states. The theoretical calculations of the electronic and band structures of the three compounds substantiate the experimentally observed physical properties.
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Affiliation(s)
- Fei Yu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing 210023 , P. R. China
| | - Jing Li
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing 210023 , P. R. China
| | - Zi-Heng Cao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing 210023 , P. R. China
| | - Mohamedally Kurmoo
- Institut de Chimie de Strasbourg , Université de Strasbourg, CNRS-UMR 7177 , 4 rue Blaise Pascal , 67008 Strasbourg , France
| | - Jing-Lin Zuo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing 210023 , P. R. China
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20
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Black A, Roberts J, Acebrón M, Bernardo-Gavito R, Alsharif G, Urbanos FJ, Juárez BH, Kolosov OV, Robinson BJ, Miranda R, Vázquez de Parga AL, Granados D, Young RJ. Large-Area Heterostructures from Graphene and Encapsulated Colloidal Quantum Dots via the Langmuir-Blodgett Method. ACS APPLIED MATERIALS & INTERFACES 2018; 10:6805-6809. [PMID: 29436818 DOI: 10.1021/acsami.7b17102] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
This work explores the assembly of large-area heterostructures comprised of a film of silica-encapsulated, semiconducting colloidal quantum dots, deposited via the Langmuir-Blodgett method, sandwiched between two graphene sheets. The luminescent, electrically insulating film served as a dielectric, with the top graphene sheet patterned into an electrode and successfully used as a top gate for an underlying graphene field-effect transistor. This heterostructure paves the way for developing novel hybrid optoelectronic devices through the integration of 2D and 0D materials.
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Affiliation(s)
| | - Jonathan Roberts
- Physics Department, Lancaster University , Lancaster LA1 4YB, United Kingdom
| | | | | | - Ghazi Alsharif
- Physics Department, Lancaster University , Lancaster LA1 4YB, United Kingdom
- Physics Department, Faculty of Science, Taibah University , Tayba, Medina 42353, Saudi Arabia
| | | | | | - Oleg V Kolosov
- Physics Department, Lancaster University , Lancaster LA1 4YB, United Kingdom
| | - Benjamin J Robinson
- Physics Department, Lancaster University , Lancaster LA1 4YB, United Kingdom
| | | | | | | | - Robert J Young
- Physics Department, Lancaster University , Lancaster LA1 4YB, United Kingdom
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21
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Catala L, Mallah T. Nanoparticles of Prussian blue analogs and related coordination polymers: From information storage to biomedical applications. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.04.005] [Citation(s) in RCA: 121] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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22
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Xiao FX, Pagliaro M, Xu YJ, Liu B. Layer-by-layer assembly of versatile nanoarchitectures with diverse dimensionality: a new perspective for rational construction of multilayer assemblies. Chem Soc Rev 2017; 45:3088-121. [PMID: 27003471 DOI: 10.1039/c5cs00781j] [Citation(s) in RCA: 190] [Impact Index Per Article: 27.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Over the past few decades, layer-by-layer (LbL) assembly of multilayer thin films has garnered considerable interest on account of its ability to modulate nanometer control over film thickness and its extensive choice of usable materials for coating planar and particulate substrates, thus allowing for the fabrication of responsive and functional thin films for their potential applications in a myriad of fields. Herein, we provide elaborate information on the current developments of LbL assembly techniques including different properties, molecular interactions, and assembly methods associated with this promising bottom-up strategy. In particular, we highlight the principle for rational design and fabrication of a large variety of multilayer thin film systems including multi-dimensional capsules or spatially hierarchical nanostructures based on the LbL assembly technique. Moreover, we discuss how to judiciously choose the building block pairs when exerting the LbL assembly buildup which enables the engineering of multilayer thin films with tailor-made physicochemical properties. Furthermore, versatile applications of the diverse LbL-assembled nanomaterials are itemized and elucidated in light of specific technological fields. Finally, we provide a brief perspective and potential future challenges of the LbL assembly technology. It is anticipated that our current review could provide a wealth of guided information on the LbL assembly technique and furnish firm grounds for rational design of LbL assembled multilayer assemblies toward tangible applications.
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Affiliation(s)
- Fang-Xing Xiao
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62, Nanyang Drive, 637459, Singapore.
| | - Mario Pagliaro
- Istituto per lo Studio dei Materiali Nanostrutturati, CNR via U. La Malfa 153, 90146 Palermo, Italy.
| | - Yi-Jun Xu
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350002, P. R. China and College of Chemistry, Fuzhou University, New Campus, Fuzhou 350108, P. R. China.
| | - Bin Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62, Nanyang Drive, 637459, Singapore.
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23
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Kijewska K, Blanchard GJ. Using Diffusion To Characterize Interfacial Heterogeneity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:1155-1161. [PMID: 28094955 DOI: 10.1021/acs.langmuir.6b04341] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We report on the use of molecular diffusional motion over a range of length scales to characterize compositional heterogeneity in monolayer structures. This work focuses on the diffusional motion of perylene in two types of films supported on functionalized silica surfaces: single-component (stearic acid) and two-component (hydrocarbon/fluorocarbon) films. Langmuir-Blodgett (LB) monolayers were deposited directly on silica or were bound to surface-modified silica by means of metal ion complexation. The LB films were characterized by their π-A isotherms and by Brewster angle microscopy (BAM) during formation and deposition. Chromophore mobility and monolayer structural heterogeneity were evaluated by comparing rotational diffusion data (fluorescence anisotropy decay imaging) and translational diffusion data (fluorescence recovery after photobleaching) on the same LB films. Our results indicate that the mobility of the chromophore depends sensitively on both metal ion identity and film composition.
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Affiliation(s)
- Krystyna Kijewska
- Department of Chemistry, Michigan State University , 578 S. Shaw Lane, East Lansing, Michigan 48824, United States
- Department of Chemistry, University of Warsaw , Pasteura 1, 02-093 Warsaw, Poland
| | - Gary J Blanchard
- Department of Chemistry, Michigan State University , 578 S. Shaw Lane, East Lansing, Michigan 48824, United States
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24
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Morag A, Jelinek R. “Bottom-up” transparent electrodes. J Colloid Interface Sci 2016; 482:267-289. [DOI: 10.1016/j.jcis.2016.07.079] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 07/10/2016] [Accepted: 07/29/2016] [Indexed: 12/01/2022]
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25
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Zeininger L, Portilla L, Halik M, Hirsch A. Quantitative Determination and Comparison of the Surface Binding of Phosphonic Acid, Carboxylic Acid, and Catechol Ligands on TiO2Nanoparticles. Chemistry 2016; 22:13506-12. [DOI: 10.1002/chem.201601920] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Indexed: 12/11/2022]
Affiliation(s)
- Lukas Zeininger
- Department of Chemistry and Pharmacy; Institute of Organic Chemistry; Henkestrasse 42 91054 Erlangen Germany
| | - Luis Portilla
- Department of Materials Science; Organic Materials and Devices (OMD); Martensstrasse 7 91058 Erlangen Germany
| | - Marcus Halik
- Department of Materials Science; Organic Materials and Devices (OMD); Martensstrasse 7 91058 Erlangen Germany
| | - Andreas Hirsch
- Department of Chemistry and Pharmacy; Institute of Organic Chemistry; Henkestrasse 42 91054 Erlangen Germany
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26
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Ghoussoub YE, Schlenoff JB. Janus Nanofilms. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:3623-9. [PMID: 27054378 DOI: 10.1021/acs.langmuir.6b00672] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
To make a two-dimensional Janus object, the perfluorinated anionic polyelectrolyte Nafion was adsorbed to the surface of ultrathin films of polyelectrolyte complex. Nafion changed the wetting characteristics of the polyelectrolyte multilayer (PEMU) of poly(diallyldimethylammonium) and poly(styrenesulfonate) from hydrophilic to hydrophobic. PEMUs assembled on aluminum substrates and terminated with Nafion could be released by exposure to alkali solution, producing free-floating films in the 100 nm thickness regime. Water contact angle measurements showed a strong difference in hydrophilicity between the two sides of this Janus film, which was further characterized using atomic force microscopy and X-ray photoelectron spectroscopy (XPS). XPS revealed different fluorine contents on both sides of the PEMU, which could be translated to a Nafion gradient through the film. Fourier transform infrared spectroscopy showed the Nafion-containing films were much more resistant to decomposition by high salt concentration.
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Affiliation(s)
- Yara E Ghoussoub
- Department of Chemistry and Biochemistry, The Florida State University , Tallahassee, Florida 32306-4390, United States
| | - Joseph B Schlenoff
- Department of Chemistry and Biochemistry, The Florida State University , Tallahassee, Florida 32306-4390, United States
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27
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Baumler SM, Reidy TM, Blanchard GJ. Diffusional motion as a gauge of fluidity and interfacial adhesion. Supported alkylphosphonate monolayers. J Colloid Interface Sci 2016; 468:145-155. [PMID: 26835584 DOI: 10.1016/j.jcis.2016.01.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 01/15/2016] [Accepted: 01/16/2016] [Indexed: 11/30/2022]
Abstract
We report on the use of diffusion measurements to gauge the fluidity and surface binding properties of a molecular monolayer. The monolayer film consists of octadecyl-1-phosphonic acid (ODPA) and controlled amounts of a lyso-phosphatidic acid tagged with the fluorescent probe BODIPY (BLPA). The monolayer films were formed using a Langmuir-Blodgett (LB) trough and deposited onto a glass slide. Monolayer morphology was characterized during film formation using Brewster angle microscopy (BAM). Fluorescence Recovery After Photobleaching (FRAP) microscopy was used to measure translational diffusion of BLPA and Fluorescence Anisotropy Decay Imaging (FADI) was used to measure rotational diffusion of the BLPA chromophore. These results provide information on the motional freedom of the probe and, importantly, on the strength of interaction between the probe and the support. Compositional variations in the monolayer give rise to changes in constituent dynamics that reflect intermolecular interactions.
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Affiliation(s)
- S M Baumler
- Michigan State University, Department of Chemistry, 578 S. Shaw Lane, East Lansing, MI 48824, USA.
| | - Thomas M Reidy
- Michigan State University, Department of Chemistry, 578 S. Shaw Lane, East Lansing, MI 48824, USA.
| | - G J Blanchard
- Michigan State University, Department of Chemistry, 578 S. Shaw Lane, East Lansing, MI 48824, USA.
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28
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Liu Y, Dai Y, Yin B. Gel properties of T-shaped tetrathiafulvalene–pyridazine conjugates and F4TCNQ-induced morphological transformation. NEW J CHEM 2016. [DOI: 10.1039/c5nj02322j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
T-shaped organic π-conjugates and their F4TCNQ charge-transfer (CT) complexes are developed as LMOGs. The morphological changes of the organogels occur obviously due to the CT interaction.
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Affiliation(s)
- Yucun Liu
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules
- Yanbian University, Ministry of Education
- Yanji
- P. R. China
| | - Yanfeng Dai
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules
- Yanbian University, Ministry of Education
- Yanji
- P. R. China
| | - Bingzhu Yin
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules
- Yanbian University, Ministry of Education
- Yanji
- P. R. China
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29
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Huang L, Hu X, Chi L. Monolayer-Mediated Growth of Organic Semiconductor Films with Improved Device Performance. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:9748-61. [PMID: 25992464 DOI: 10.1021/acs.langmuir.5b00349] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Increased interest in wearable and smart electronics is driving numerous research works on organic electronics. The control of film growth and patterning is of great importance when targeting high-performance organic semiconductor devices. In this Feature Article, we summarize our recent work focusing on the growth, crystallization, and device operation of organic semiconductors intermediated by ultrathin organic films (in most cases, only a monolayer). The site-selective growth, modified crystallization and morphology, and improved device performance of organic semiconductor films are demonstrated with the help of the inducing layers, including patterned and uniform Langmuir-Blodgett monolayers, crystalline ultrathin organic films, and self-assembled polymer brush films. The introduction of the inducing layers could dramatically change the diffusion of the organic semiconductors on the surface and the interactions between the active layer with the inducing layer, leading to improved aggregation/crystallization behavior and device performance.
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Affiliation(s)
- Lizhen Huang
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University , Suzhou 215123, PR China
| | - Xiaorong Hu
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University , Suzhou 215123, PR China
| | - Lifeng Chi
- Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University , Suzhou 215123, PR China
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30
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Yang J, Yan D, Jones TS. Molecular Template Growth and Its Applications in Organic Electronics and Optoelectronics. Chem Rev 2015; 115:5570-603. [DOI: 10.1021/acs.chemrev.5b00142] [Citation(s) in RCA: 165] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Donghang Yan
- State
Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People’s Republic of China
| | - Tim S. Jones
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
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31
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Han SD, Zhao JP, Liu SJ, Bu XH. Hydro(solvo)thermal synthetic strategy towards azido/formato-mediated molecular magnetic materials. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.09.015] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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32
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Jia Y, Li J. Molecular assembly of Schiff Base interactions: construction and application. Chem Rev 2014; 115:1597-621. [PMID: 25543900 DOI: 10.1021/cr400559g] [Citation(s) in RCA: 294] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Yi Jia
- Beijing National Laboratory for Molecular Sciences, CAS Key Lab of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences , Beijing, 100190, China
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33
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Fernández-Hernández JM, De Cola L, Bolink HJ, Clemente-León M, Coronado E, Forment-Aliaga A, López-Muñoz A, Repetto D. White light-emitting electrochemical cells based on the Langmuir-Blodgett technique. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:14021-14029. [PMID: 25347390 DOI: 10.1021/la503144v] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Light-emitting electrochemical cells (LECs) showing a white emission have been prepared with Langmuir-Blodgett (LB) films of the metallosurfactant bis[2-(2,4-difluorophenyl)pyridine][2-(1-hexadecyl-1H-1,2,3-triazol-4-yl)pyridine]iridium(III) chloride (1), which work with an air-stable Al electrode. They were prepared by depositing a LB film of 1 on top of a layer of poly(N,N'-diphenyl-N,N'-bis(4-hexylphenyl)-[1,1'-biphenyl]-4,4'-diamine (pTPD) spin-coated on indium tin oxide (ITO). The white color of the electroluminescence of the device contrasts with the blue color of the photoluminescence of 1 in solution and within the LB films. Furthermore, the crystal structure of 1 is reported together with the preparation and characterization of the Langmuir monolayers (π-A compression isotherms and Brewster angle microscopy (BAM)) and LB films of 1 (IR, UV-vis and emission spectroscopy, X-ray photoelectron spectroscopy (XPS), specular X-ray reflectivity (SXR), and atomic force microscopy (AFM)).
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Affiliation(s)
- Jesús M Fernández-Hernández
- Physicalisches Institut and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität Münster , Heisenbergstrasse 11, 48149 Münster, Germany
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34
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Zhang XM, Gao W, Ding DD, Liu JP. Synthesis, Structure and Magnetic Properties of a Copper(II) Coordination Polymer with Mixed Azide, Carboxylate and Isoxazolate Bridges. Z Anorg Allg Chem 2014. [DOI: 10.1002/zaac.201400300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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35
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Borges J, Mano JF. Molecular Interactions Driving the Layer-by-Layer Assembly of Multilayers. Chem Rev 2014; 114:8883-942. [DOI: 10.1021/cr400531v] [Citation(s) in RCA: 609] [Impact Index Per Article: 60.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- João Borges
- 3B’s
Research Group—Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Zona Industrial da Gandra,
S. Cláudio do Barco 4806-909 Caldas das Taipas, Guimarães, Portugal
- ICVS/3B’s
− PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - João F. Mano
- 3B’s
Research Group—Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Zona Industrial da Gandra,
S. Cláudio do Barco 4806-909 Caldas das Taipas, Guimarães, Portugal
- ICVS/3B’s
− PT Government Associate Laboratory, Braga/Guimarães, Portugal
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36
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Liu L, Gu ZR, Liu SZ, Li FB, Hu QY, Li L, Du ZL. Langmuir–Blodgett films of hexamolybdate and porphyrin prepared by two different approaches: Synthesis, characterization and electrical properties. Inorganica Chim Acta 2014. [DOI: 10.1016/j.ica.2014.04.039] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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37
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Ma Y, Cheng AL, Tang B, Gao EQ. Copper(ii) coordination polymers with azide and bipyridine-based zwitterionic carboxylate ligands: structures and magnetism. Dalton Trans 2014; 43:13957-64. [DOI: 10.1039/c4dt01722f] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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38
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Joo Y, Spalenka JW, McElhinny KM, Schmitt SK, Evans PG, Gopalan P. Structured layer of rhenium dye on SiO₂ and TiO₂ surfaces by Langmuir-Blodgett technique. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:6104-6113. [PMID: 24797789 DOI: 10.1021/la5006133] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We demonstrate the Langmuir-Blodgett assembly of two rhenium-bipyridine complexes containing a flexible or an aromatic bridge, and transfer of the monolayer to SiO2 and single crystal TiO2 substrates. Both of the complexes (ReEC and Re2TC) have a hydrophilic carboxylic acid group, which preferentially anchors into the water subphase, and forms stable monolayers at surface pressures up to 40 mN/m. The optimum conditions for the formation of complete monolayers of both ReEC and Re2TC were identified through characterization of the morphology by atomic force microscopy (AFM), the thickness by ellipsometry, and the surface coverage by X-ray photoelectron spectroscopy (XPS). X-ray reflectivity measurements (XRR) are consistent with the orientation of the molecules normal to the substrate, and their extension to close to their calculated maximum length. Parameters derived from XRR analysis show that there is a higher packing density for Re2TC monolayers than for ReEC monolayers, attributable to the more rigid bridge in the Re2TC molecule.
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Affiliation(s)
- Yongho Joo
- Department of Materials Science and Engineering, and ‡Department of Chemistry, University of Wisconsin , Madison, Wisconsin 53706, United States
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39
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Verani CN, Driscoll J, Keyes PH, Heeg MJ. Cationic Copper(II)-containing Surfactants: Molecular Structures, Film Morphology, and Influence on the Alignment of Nematic Mesogens. Inorg Chem 2014; 53:5647-55. [DOI: 10.1021/ic5004098] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Cláudio N. Verani
- Department of Chemistry and ‡Department of Physics and Astronomy, Wayne State University, 5101 Cass Avenue, Room 161, Detroit, Michigan 48202, United States
| | - Jeffery Driscoll
- Department of Chemistry and ‡Department of Physics and Astronomy, Wayne State University, 5101 Cass Avenue, Room 161, Detroit, Michigan 48202, United States
| | - Paul H. Keyes
- Department of Chemistry and ‡Department of Physics and Astronomy, Wayne State University, 5101 Cass Avenue, Room 161, Detroit, Michigan 48202, United States
| | - Mary Jane Heeg
- Department of Chemistry and ‡Department of Physics and Astronomy, Wayne State University, 5101 Cass Avenue, Room 161, Detroit, Michigan 48202, United States
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40
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Wang Z, Yu T, Nian P, Zhang Q, Yao J, Li S, Gao Z, Yue X. Fabrication of a highly b-oriented MFI-type zeolite film by the Langmuir-Blodgett method. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:4531-4534. [PMID: 24731054 DOI: 10.1021/la500115t] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
sec-Butanol-modified rounded-coffin-shaped silicalite-1 (SL) microcrystals were assembled into a compact and highly b-oriented monolayer extending over the centimeter scale via the Langmuir-Blodgett (LB) technique. For comparison, methanol- or ethanol-modified SL microcrystals could not float and were compressed into a dense film in an LB trough. Subsequently, highly b-oriented MFI films with a thickness of ∼1.5 μm were successfully obtained on the solid substrates by secondary growth of the LB monolayer using tetrapropylammonium hydroxide (TPAOH) as the structure-directing agent. The electrochemical experiments confirmed that the prepared films were defect-free. In general, the LB method is a highly controllable and reproducible method of organizing anisotropic zeolite crystals with a preferred orientation over a relatively large surface area. The LB technique could be further applied as an effective platform for the oriented assembly of different types of zeolite particles and the growth of variously oriented zeolite films.
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Affiliation(s)
- Zheng Wang
- Key Laboratory of Energy Resources and Chemical Engineering and ‡Institute of Chemistry and Chemical Engineering, Ningxia University , 750021 Ningxia, China
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41
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Schlamp S, Thoma P, Weber B. Influence of the Alkyl Chain Length on the Self‐Assembly of Amphiphilic Iron Complexes: An Analysis of X‐ray Structures. Chemistry 2014; 20:6462-73. [DOI: 10.1002/chem.201304653] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2013] [Revised: 02/04/2014] [Indexed: 11/08/2022]
Affiliation(s)
- Stephan Schlamp
- Inorganic Chemistry II, Universität Bayreuth, Universitätsstraße 30, NW 1, 95440 Bayreuth (Germany)
| | - Peter Thoma
- Inorganic Chemistry II, Universität Bayreuth, Universitätsstraße 30, NW 1, 95440 Bayreuth (Germany)
| | - Birgit Weber
- Inorganic Chemistry II, Universität Bayreuth, Universitätsstraße 30, NW 1, 95440 Bayreuth (Germany)
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42
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Jena HS, Goswami S, Sanda S, Parshamoni S, Biswas S, Konar S. A perception of ferro- and antiferromagnetic interactions in a two dimensional Ni(ii) heterochiral coordination polymer showing unusual CO2 uptake behavior. Dalton Trans 2014; 43:16996-9. [DOI: 10.1039/c4dt02496f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A robust 2D heterochiral Ni(ii) coordination polymer is reported which shows ferro-, antiferromagnetic interactions and unusual CO2 uptake behavior.
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Ariga K, Yamauchi Y, Mori T, Hill JP. 25th anniversary article: what can be done with the Langmuir-Blodgett method? Recent developments and its critical role in materials science. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:6477-512. [PMID: 24302266 DOI: 10.1002/adma.201302283] [Citation(s) in RCA: 270] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Indexed: 05/18/2023]
Abstract
The Langmuir-Blodgett (LB) technique is known as an elegant method for fabrication of well-defined layered structures with molecular level precision. Since its discovery the LB method has made an indispensable contribution to surface science, physical chemistry, materials chemistry and nanotechnology. However, recent trends in research might suggest the decline of the LB method as alternate methods for film fabrication such as layer-by-layer (LbL) assembly have emerged. Is LB film technology obsolete? This review is presented in order to challenge this preposterous question. In this review, we summarize recent research on LB and related methods including (i) advanced design for LB films, (ii) LB film as a medium for supramolecular chemistry, (iii) LB technique for nanofabrication and (iv) LB involving advanced nanomaterials. Finally, a comparison between LB and LbL techniques is made. The latter reveals the crucial role played by LB techniques in basic surface science, current advanced material sciences and nanotechnologies.
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Affiliation(s)
- Katsuhiko Ariga
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) PRESTO & CREST, JST, 1-1 Namiki, Tsukuba, 305-0044, Japan
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44
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Kitchen JA, Olguín J, Kulmaczewski R, White NG, Milway VA, Jameson GNL, Tallon JL, Brooker S. Effect of N4-Substituent Choice on Spin Crossover in Dinuclear Iron(II) Complexes of Bis-Terdentate 1,2,4-Triazole-Based Ligands. Inorg Chem 2013; 52:11185-99. [DOI: 10.1021/ic4014416] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Jonathan A. Kitchen
- Department
of Chemistry and the MacDiarmid Institute for Advanced Materials and
Nanotechnology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Juan Olguín
- Department
of Chemistry and the MacDiarmid Institute for Advanced Materials and
Nanotechnology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Rafal Kulmaczewski
- Department
of Chemistry and the MacDiarmid Institute for Advanced Materials and
Nanotechnology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Nicholas G. White
- Department
of Chemistry and the MacDiarmid Institute for Advanced Materials and
Nanotechnology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Victoria A. Milway
- Department
of Chemistry and the MacDiarmid Institute for Advanced Materials and
Nanotechnology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Guy N. L. Jameson
- Department
of Chemistry and the MacDiarmid Institute for Advanced Materials and
Nanotechnology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Jeffery L. Tallon
- MacDiarmid
Institute for Advanced Materials and Nanotechnology, Callaghan Innovation, P.O. Box 31310, Lower Hutt 5040, New Zealand
| | - Sally Brooker
- Department
of Chemistry and the MacDiarmid Institute for Advanced Materials and
Nanotechnology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
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45
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Sakamoto R, Katagiri S, Maeda H, Nishihara H. Bis(terpyridine) metal complex wires: Excellent long-range electron transfer ability and controllable intrawire redox conduction on silicon electrode. Coord Chem Rev 2013. [DOI: 10.1016/j.ccr.2012.08.025] [Citation(s) in RCA: 108] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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46
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Coronado E, Martí-Gastaldo C, Navarro-Moratalla E, Ribera A, Tatay S. Illustrating the Processability of Magnetic Layered Double Hydroxides: Layer-by-Layer Assembly of Magnetic Ultrathin Films. Inorg Chem 2013; 52:6214-22. [DOI: 10.1021/ic400734t] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- E. Coronado
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Catedrático José Beltrán
2, 46890 Paterna, Spain
| | - C. Martí-Gastaldo
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Catedrático José Beltrán
2, 46890 Paterna, Spain
- Department of Chemistry, University of Liverpool, Crown Street, L697ZD Liverpool, United Kingdom
| | - E. Navarro-Moratalla
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Catedrático José Beltrán
2, 46890 Paterna, Spain
| | - A. Ribera
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Catedrático José Beltrán
2, 46890 Paterna, Spain
| | - S. Tatay
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Catedrático José Beltrán
2, 46890 Paterna, Spain
- Unité Mixte de Physique CNRS/Thales (UMR137), Associée à l’Université Paris-Sud 11, Augustin Fresnel, 1, 91767 Palaiseau cedex, France
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Qu Q, Gu C, Gu Z, Shen Y, Wang C, Hu X. Layer-by-layer assembly of polyelectrolyte and graphene oxide for open-tubular capillary electrochromatography. J Chromatogr A 2013; 1282:95-101. [DOI: 10.1016/j.chroma.2013.01.055] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2012] [Revised: 01/08/2013] [Accepted: 01/11/2013] [Indexed: 11/26/2022]
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48
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Gu ZR, Fu H, Liu L, Li FB, Liu SZ, Wang YR, Du ZL, Ho CL, Wong WY. Preparation, Characterization, and Photoelectric Properties of Langmuir–Blodgett Films of Some Europium-Substituted Polyoxometalates and 2-Aminofluorene with Tunable Emission Color. J Inorg Organomet Polym Mater 2013. [DOI: 10.1007/s10904-013-9830-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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49
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Drebov N, Tyutyulkov N, Dietz F. Magnetic properties of Langmuir-Blodgett (LB) films: a theoretical study. III. LB films consisting of different types of stable π-monoradicals. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:873-880. [PMID: 23305146 DOI: 10.1021/la304416u] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
We present theoretical results for the magnetic properties of modeled two-dimensional (2-D) Langmuir-Blodgett films consisting of different types of stable organic π-monoradicals. Their energy spectra and magnetic characteristics are investigated using the many-body band theory of magnetism in π-electron approximation. The main factors which determine the magnitude and character of the magnetic interaction in the 2-D molecular arrangements are thoroughly studied. Semiempirical electronic structure calculations have been also carried out for molecular clusters to gain further insight into their magnetic properties. The proposed models for LB films are potential candidates for new 2-D ferromagnetic materials which are characterized by a substantial increase of the critical temperatures up to 250 K in comparison to only about 5 K for the now existing magnetic LB films based on organometallic systems.
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Affiliation(s)
- Nedko Drebov
- Chair of Physical Chemistry, Faculty of Chemistry and Pharmacy, University of Sofia, Sofia, Bulgaria.
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50
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Lellouche JP, Koner RR, Ghosh S. N-Substituted carbazole heterocycles and derivatives as multipurpose chemical species: at the interface of chemical engineering, polymer and materials science. REV CHEM ENG 2013. [DOI: 10.1515/revce-2013-0023] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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