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Shrestha LK, Shrestha RG, Shahi S, Gnawali CL, Adhikari MP, Bhadra BN, Ariga K. Biomass Nanoarchitectonics for Supercapacitor Applications. J Oleo Sci 2023; 72:11-32. [PMID: 36624057 DOI: 10.5650/jos.ess22377] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Nanoarchitectonics integrates nanotechnology with numerous scientific disciplines to create innovative and novel functional materials from nano-units (atoms, molecules, and nanomaterials). The objective of nanoarchitectonics concept is to develop functional materials and systems with rationally architected functional units. This paper explores the progress and potential of this field using biomass nanoarchitectonics for supercapacitor applications as examples of energetic materials and devices. Strategic design of nanoporous carbons that exhibit ultra-high surface area and hierarchically pore architectures comprising micro- and mesopore structure and controlled pore size distributions are of great significance in energy-related applications, including in high-performance supercapacitors, lithium-ion batteries, and fuel cells. Agricultural wastes or natural biomass are lignocellulosic materials and are excellent carbon sources for the preparation of hierarchically porous carbons with an ultra-high surface area that are attractive materials in high-performance supercapacitor applications due to high electrical and ion conduction, extreme porosity, and exceptional chemical and thermal stability. In this review, we will focus on the latest advancements in the fabrication of hierarchical porous carbon materials from different biomass by chemical activation method. Particularly, the importance of biomass-derived ultra-high surface area porous carbons, hierarchical architectures with interconnected pores in high-energy storage, and high-performance supercapacitors applications will be discussed. Finally, the current challenges and outlook for the further improvement of carbon materials derived from biomass or agricultural wastes in the advancements of supercapacitor devices will be discussed.
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Affiliation(s)
- Lok Kumar Shrestha
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS).,Department of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba
| | - Rekha Goswami Shrestha
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS)
| | - Sabina Shahi
- Central Department of Chemistry, Tribhuvan University
| | - Chhabi Lal Gnawali
- Department of Applied Sciences and Chemical Engineering, Pulchowk Campus, Institute of Engineering (IOE), Tribhuvan University (TU)
| | | | - Biswa Nath Bhadra
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS)
| | - Katsuhiko Ariga
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS).,Graduate School of Frontier Sciences, The University of Tokyo
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Asano K, Matsubara S. Organocatalytic Access to Tetrasubstituted Chiral Carbons Integrating Functional Groups. CHEM REC 2022:e202200200. [PMID: 36163471 DOI: 10.1002/tcr.202200200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/08/2022] [Indexed: 12/15/2022]
Abstract
Three-dimensional organic structures containing sp3 carbons bearing four non-hydrogen substituents can provide drug-like molecules. Although such complex structures are challenging targets in synthetic organic chemistry, efficient synthetic approaches will open a new chemical space for pharmaceutical candidates. This review provides an account of our recent achievements in developing organocatalytic approaches to attractive molecular platforms based on optically active sp3 carbons integrating four different functional groups. These methodologies include asymmetric cycloetherification and cyanation of multifunctional ketones, both of which take advantage of the mild characteristics of organocatalytic activation. Enzyme-like but non-enzymatic organocatalytic systems can be used to precisely manufacture molecules containing complex chiral structures without substrate specificity problems. In addition, these catalytic systems control not only stereoselectivity but also site-selectivity and do not induce side reactions even from substrates with rich functionality.
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Affiliation(s)
- Keisuke Asano
- Institute for Catalysis, Hokkaido University Sapporo, Hokkaido, 001-0021, Japan
| | - Seijiro Matsubara
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510, Japan
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Ariga K. Mechano-Nanoarchitectonics: Design and Function. SMALL METHODS 2022; 6:e2101577. [PMID: 35352500 DOI: 10.1002/smtd.202101577] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 03/12/2022] [Indexed: 05/27/2023]
Abstract
Mechanical stimuli have rather ambiguous and less-specific features among various physical stimuli, but most materials exhibit a certain level of responses upon mechanical inputs. Unexplored sciences remain in mechanical responding systems as one of the frontiers of materials science. Nanoarchitectonics approaches for mechanically responding materials are discussed as mechano-nanoarchitectonics in this review article. Recent approaches on molecular and materials systems with mechanical response capabilities are first exemplified with two viewpoints: i) mechanical control of supramolecular assemblies and materials and ii) mechanical control and evaluation of atom/molecular level structures. In the following sections, special attentions on interfacial environments for mechano-nanoarchitectonics are emphasized. The section entitled iii) Mechanical Control of Molecular System at Dynamic Interface describes coupling of macroscopic mechanical forces and molecular-level phenomena. Delicate mechanical forces can be applied to functional molecules embedded at the air-water interface where operation of molecular machines and tuning of molecular receptors upon macroscopic mechanical actions are discussed. Finally, the important role of the interfacial media are further extended to the control of living cells as described in the section entitled iv) Mechanical Control of Biosystems. Pioneering approaches on cell fate regulations at liquid-liquid interfaces are discussed in addition to well-known mechanobiology.
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Affiliation(s)
- Katsuhiko Ariga
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, 305-0044, Japan
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, 277-8561, Japan
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Nagano T, Matsumoto A, Yoshizaki R, Asano K, Matsubara S. Non-enzymatic catalytic asymmetric cyanation of acylsilanes. Commun Chem 2022; 5:45. [PMID: 36697739 PMCID: PMC9814240 DOI: 10.1038/s42004-022-00662-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 03/09/2022] [Indexed: 01/28/2023] Open
Abstract
The asymmetric cyanation of acylsilanes affords densely functionalized tetrasubstituted chiral carbon centers bearing silyl, cyano, and hydroxy groups, which are of particular interest in synthetic and medicinal chemistry. However, this method has been limited to a few enzymatic approaches, which employ only one substrate because of substrate specificity. Here we show the non-enzymatic catalytic asymmetric cyanation of acylsilanes using a chiral Lewis base as an enantioselective catalyst, trimethylsilyl cyanide as a cyanating reagent, and isopropyl alcohol as an additive to drive catalyst turnover. High enantio- and site-selectivities are achieved in a catalytic manner, and a variety of functional groups are installed in optically active acylsilane cyanohydrins, thus overcoming the limitations imposed by substrate specificity in conventional enzymatic methods. A handle for the synthetic application of the products is also established through the development of a catalyst for protecting acylsilane cyanohydrins, which are unstable and difficult to protect alcohols.
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Affiliation(s)
- Tagui Nagano
- grid.258799.80000 0004 0372 2033Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510 Japan
| | - Akira Matsumoto
- grid.258799.80000 0004 0372 2033Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510 Japan ,grid.258799.80000 0004 0372 2033Present Address: Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida-Shimoadachi, Sakyo, Kyoto, 606-8501 Japan
| | - Ryotaro Yoshizaki
- grid.258799.80000 0004 0372 2033Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510 Japan
| | - Keisuke Asano
- grid.258799.80000 0004 0372 2033Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510 Japan
| | - Seijiro Matsubara
- grid.258799.80000 0004 0372 2033Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510 Japan
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Hayashi T, Ohishi Y, Chiba J, Inouye M. Synthesis of Rigid Macrocyclic Phenols and Their Catalytic Applications in Diels‐Alder reactions. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Tomoya Hayashi
- Toyama University - Sugitani Campus: Toyama Daigaku - Sugitani Campus Graduate School of Pharmaceutical Sciences JAPAN
| | - Yuki Ohishi
- University of Toyama Graduate School of Pharmaceutical Sciences Sugitini 2630 930-0194 Toyama JAPAN
| | - Junya Chiba
- Toyama University - Sugitani Campus: Toyama Daigaku - Sugitani Campus Graduate School of Pharmaceutical Sciences JAPAN
| | - Masahiko Inouye
- Toyama University - Sugitani Campus: Toyama Daigaku - Sugitani Campus Graduate School of Pharmaceutical Sciences JAPAN
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Oliveira ON, Caseli L, Ariga K. The Past and the Future of Langmuir and Langmuir-Blodgett Films. Chem Rev 2022; 122:6459-6513. [PMID: 35113523 DOI: 10.1021/acs.chemrev.1c00754] [Citation(s) in RCA: 122] [Impact Index Per Article: 61.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The Langmuir-Blodgett (LB) technique, through which monolayers are transferred from the air/water interface onto a solid substrate, was the first method to allow for the controlled assembly of organic molecules. With its almost 100 year history, it has been the inspiration for most methods to functionalize surfaces and produce nanocoatings, in addition to serving to explore concepts in molecular electronics and nanoarchitectonics. This paper provides an overview of the history of Langmuir monolayers and LB films, including the potential use in devices and a discussion on why LB films are seldom considered for practical applications today. Emphasis is then given to two areas where these films offer unique opportunities, namely, in mimicking cell membrane models and exploiting nanoarchitectonics concepts to produce sensors, investigate molecular recognitions, and assemble molecular machines. The most promising topics for the short- and long-term prospects of the LB technique are also highlighted.
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Affiliation(s)
- Osvaldo N Oliveira
- São Carlos Institute of Physics, University of Sao Paulo, CP 369, 13560-970 Sao Carlos, SP, Brazil
| | - Luciano Caseli
- Department of Chemistry, Federal University of São Paulo, 09913-030 Diadema, SP, Brazil
| | - Katsuhiko Ariga
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 305-0044 Tsukuba, Japan.,Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba 277-0827, Japan
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Murata R, Asano K, Matsubara S. Catalytic asymmetric cycloetherification via intramolecular oxy-Michael addition of enols. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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