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A study of 2H and 1T phases of Janus monolayers and their van der Waals heterostructure with black phosphorene for optoelectronic and thermoelectric applications. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Kawamura S, Matsubara K, Sakai S, Sasaki K, Saito M, Saito K, Yagi M, Norimatsu W, Sasai R, Kusunoki M, Eguchi M, Yin S, Asakura Y, Yui T. Preparation of Stable Silver Nanoparticles Having Wide Red-To-Near-Infrared Extinction. GLOBAL CHALLENGES (HOBOKEN, NJ) 2018; 2:1700105. [PMID: 31565325 PMCID: PMC6607257 DOI: 10.1002/gch2.201700105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 01/12/2018] [Indexed: 05/11/2023]
Abstract
The synthesis of silver nanoparticles (AgNPs) within the interlayer space of transparent layered titania nanosheet (TNS) films is investigated. A considerable number of silver ions (≈70% against the cation exchange capacity of the TNS) are intercalated in the TNS films using methyl-viologen-containing TNSs as a precursor. The silver ion (Ag+)-containing TNS films are treated with aqueous sodium tetrahydroborate (NaBH4), resulting in a gradual color change to bright blue. Various structural analyses clearly show that crystalline AgNPs are generated within the interlayer space of the TNSs. The NaBH4-treated films show intense and characteristic near-infrared (NIR) extinction spectra up to 1800 nm. The stability of the AgNPs within the TNS against oxygen and moisture is also investigated, and 96% and 82% of the AgNPs remain after standing in air for 1 month and 1 year, respectively. The NIR extinctions of the AgNP-containing TNS films are further extended by employing different preparation procedures, for example, using sintered TNS films as starting materials and irradiating the Ag+-containing TNSs with ultraviolet (UV) light. The obtained AgNP-containing TNS films exhibit photochemical activities in the production of hydrogen from ammonia borane under visible-light irradiation and the decomposition of nitrogen monoxide under UV-light irradiation.
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Affiliation(s)
- Shiori Kawamura
- Department of Materials Science and TechnologyFaculty of EngineeringNiigata University8050 Ikarashi‐2Niigata950‐2181Japan
| | - Kazuki Matsubara
- Department of Materials Science and TechnologyFaculty of EngineeringNiigata University8050 Ikarashi‐2Niigata950‐2181Japan
| | - Sotaro Sakai
- Department of Materials Science and TechnologyFaculty of EngineeringNiigata University8050 Ikarashi‐2Niigata950‐2181Japan
| | - Kazuhisa Sasaki
- Department of Materials Science and TechnologyFaculty of EngineeringNiigata University8050 Ikarashi‐2Niigata950‐2181Japan
| | - Masataro Saito
- Department of Materials Science and TechnologyFaculty of EngineeringNiigata University8050 Ikarashi‐2Niigata950‐2181Japan
| | - Kenji Saito
- Department of Materials Science and TechnologyFaculty of EngineeringNiigata University8050 Ikarashi‐2Niigata950‐2181Japan
| | - Masayuki Yagi
- Department of Materials Science and TechnologyFaculty of EngineeringNiigata University8050 Ikarashi‐2Niigata950‐2181Japan
| | - Wataru Norimatsu
- Department of Materials ChemistryGraduate School of EngineeringNagoya UniversityFuro‐cho, Chikusa‐kuNagoya‐shiAichi‐ken464‐8603Japan
| | - Ryo Sasai
- Department of Physics and Materials ScienceInterdisciplinary Graduate School of Science and EngineeringShimane University1060, Nishi‐kawatsu‐choMatsue690‐8504Japan
| | - Michiko Kusunoki
- Institute of Materials and Systems for SustainabilityNagoya UniversityFuro‐cho, Chikusa‐kuNagoya‐shiAichi‐ken464‐8603Japan
| | - Miharu Eguchi
- Electronic Functional Materials GroupPolymer Materials UnitNational Institute for Materials Science (NIMS)1‐1 NamikiTsukubaIbaraki305‐0044Japan
| | - Shu Yin
- Institute of Multidisciplinary Research for Advanced MaterialsTohoku University2‐1‐1, KatahiraAoba‐kuSendai980‐8577Japan
| | - Yusuke Asakura
- Institute of Multidisciplinary Research for Advanced MaterialsTohoku University2‐1‐1, KatahiraAoba‐kuSendai980‐8577Japan
| | - Tatsuto Yui
- Department of Materials Science and TechnologyFaculty of EngineeringNiigata University8050 Ikarashi‐2Niigata950‐2181Japan
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Morimoto D, Sato K, Saito K, Yagi M, Takagi S, Yui T. Color tuning of cationic pyrene derivatives on a clay nanosheet: Retardation of gradual redshift on clay. J Photochem Photobiol A Chem 2017. [DOI: 10.1016/j.jphotochem.2017.01.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Sasaki K, Matsubara K, Kawamura S, Saito K, Yagi M, Yui T. In Situ Synthesis of Gold Nanoparticles without Aggregation in the Interlayer Space of Layered Titanate Transparent Films. JOURNAL OF VISUALIZED EXPERIMENTS : JOVE 2017. [PMID: 28117791 DOI: 10.3791/55169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Combinations of metal oxide semiconductors and gold nanoparticles (AuNPs) have been investigated as new types of materials. The in situ synthesis of AuNPs within the interlayer space of semiconducting layered titania nanosheet (TNS) films was investigated here. Two types of intermediate films (i.e., TNS films containing methyl viologen (TNS/MV2+) and 2-ammoniumethanethiol (TNS/2-AET+)) were prepared. The two intermediate films were soaked in an aqueous tetrachloroauric(III) acid (HAuCl4) solution, whereby considerable amounts of Au(III) species were accommodated within the interlayer spaces of the TNS films. The two types of obtained films were then soaked in an aqueous sodium tetrahydroborate (NaBH4) solution, whereupon the color of the films immediately changed from colorless to purple, suggesting the formation of AuNPs within the TNS interlayer. When only TNS/MV2+ was used as the intermediate film, the color of the film gradually changed from metallic purple to dusty purple within 30 min, suggesting that aggregation of AuNPs had occurred. In contrast, this color change was suppressed by using the TNS/2-AET+ intermediate film, and the AuNPs were stabilized for over 4 months, as evidenced by the characteristic extinction (absorption and scattering) band from the AuNPs.
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Affiliation(s)
- Kazuhisa Sasaki
- Department of Material Science and Technology, Faculty of Engineering, Niigata University
| | - Kazuki Matsubara
- Department of Material Science and Technology, Faculty of Engineering, Niigata University
| | - Shiori Kawamura
- Department of Material Science and Technology, Faculty of Engineering, Niigata University
| | - Kenji Saito
- Department of Material Science and Technology, Faculty of Engineering, Niigata University
| | - Masayuki Yagi
- Department of Material Science and Technology, Faculty of Engineering, Niigata University
| | - Tatsuto Yui
- Department of Material Science and Technology, Faculty of Engineering, Niigata University;
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Yui T, Takeda H, Ueda Y, Sekizawa K, Koike K, Inagaki S, Ishitani O. Hybridization between periodic mesoporous organosilica and a Ru(II) polypyridyl complex with phosphonic acid anchor groups. ACS APPLIED MATERIALS & INTERFACES 2014; 6:1992-1998. [PMID: 24447104 DOI: 10.1021/am405065a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A new method for the hybridization of a ruthenium(II) polypyridyl complex ([Ru(bpy)2((CH2PO3H2)2-bpy)](2+) (RuP2(2+): bpy =2,2'-bipyridine; (CH2PO3H2)2-bpy =2,2'-bipyridine-4,4'di(metylphosphonic acid)) with biphenylene-bearing periodic mesoporous organosilica (Bp-PMO made from 4,4'bis(triethoxysilyl)biphenyl [(C2H5O)3Si-(C6H4)2-Si(OC2H5)3]) was developed. Efficient and secure fixation of the ruthenium(II) complex with methylphosphonic acid groups (RuP2(2+)) in the mesopores of Bp-PMO occurred. This method introduced up to 660 μmol of RuP2(2+) in 1 g of Bp-PMO. Two modes of adsorption of RuP2(2+) in the mesopores of Bp-PMO were observed: one is caused by the chemical interaction between the methylphosphonic acid groups of RuP2(2+) and the silicate moieties of Bp-PMO and the other is attributed to aggregation of the RuP2(2+) complexes. In the case of the former mode, adsorbed RuP2(2+) (up to 80-100 μmol g(-1)) did not detach from Bp-PMO after washing with acetonitrile, dimethylformamide, or even water. Emission from the excited biphenylene (Bp) units was quantitatively quenched by the adsorbed RuP2(2+) molecules in cases where more than 60 μmol g(-1) of RuP2(2+) was adsorbed, and emission from RuP2(2+) was observed. Quantitative emission measurements indicated that emission from approximately 100 Bp units can be completely quenched by only one RuP2(2+) molecule in the mesopore, and photons absorbed by approximately 400 Bp units are potentially accumulated in one RuP2(2+) molecule.
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Affiliation(s)
- Tatsuto Yui
- Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology , 2-12-1-NE1 O-okayama, Meguro-ku, Tokyo 152-8550, Japan
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Yamamoto Y, Takeda H, Yui T, Ueda Y, Koike K, Inagaki S, Ishitani O. Efficient light harvesting via sequential two-step energy accumulation using a Ru–Re5 multinuclear complex incorporated into periodic mesoporous organosilica. Chem Sci 2014. [DOI: 10.1039/c3sc51959g] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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Ramakrishnan V, Yamamoto D, Sasamoto S, Shimada T, Nabetani Y, Tachibana H, Inoue H. Remarkable enhancement of the photoreactivity of a polyfluoroalkyl azobenzene derivative in an organic–inorganic nano-layered microenvironment. Phys Chem Chem Phys 2014; 16:23663-70. [DOI: 10.1039/c4cp03549f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The quantum yield of photo-isomerization exceeds unity (Φ = 1.9) in an organic–inorganic nano-layered microenvironment.
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Affiliation(s)
- Vivek Ramakrishnan
- Department of Applied Chemistry
- Tokyo Metropolitan University
- Hachioji, Japan
| | - Daisuke Yamamoto
- Department of Applied Chemistry
- Tokyo Metropolitan University
- Hachioji, Japan
- Center for artificial photosynthesis
- Tokyo Metropolitan University
| | - Shin Sasamoto
- Department of Applied Chemistry
- Tokyo Metropolitan University
- Hachioji, Japan
| | - Tetsuya Shimada
- Department of Applied Chemistry
- Tokyo Metropolitan University
- Hachioji, Japan
- Center for artificial photosynthesis
- Tokyo Metropolitan University
| | - Yu Nabetani
- Department of Applied Chemistry
- Tokyo Metropolitan University
- Hachioji, Japan
- Center for artificial photosynthesis
- Tokyo Metropolitan University
| | - Hiroshi Tachibana
- Department of Applied Chemistry
- Tokyo Metropolitan University
- Hachioji, Japan
- Center for artificial photosynthesis
- Tokyo Metropolitan University
| | - Haruo Inoue
- Department of Applied Chemistry
- Tokyo Metropolitan University
- Hachioji, Japan
- Center for artificial photosynthesis
- Tokyo Metropolitan University
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Butler SZ, Hollen SM, Cao L, Cui Y, Gupta JA, Gutiérrez HR, Heinz TF, Hong SS, Huang J, Ismach AF, Johnston-Halperin E, Kuno M, Plashnitsa VV, Robinson RD, Ruoff RS, Salahuddin S, Shan J, Shi L, Spencer MG, Terrones M, Windl W, Goldberger JE. Progress, challenges, and opportunities in two-dimensional materials beyond graphene. ACS NANO 2013; 7:2898-926. [PMID: 23464873 DOI: 10.1021/nn400280c] [Citation(s) in RCA: 1765] [Impact Index Per Article: 160.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
Graphene's success has shown that it is possible to create stable, single and few-atom-thick layers of van der Waals materials, and also that these materials can exhibit fascinating and technologically useful properties. Here we review the state-of-the-art of 2D materials beyond graphene. Initially, we will outline the different chemical classes of 2D materials and discuss the various strategies to prepare single-layer, few-layer, and multilayer assembly materials in solution, on substrates, and on the wafer scale. Additionally, we present an experimental guide for identifying and characterizing single-layer-thick materials, as well as outlining emerging techniques that yield both local and global information. We describe the differences that occur in the electronic structure between the bulk and the single layer and discuss various methods of tuning their electronic properties by manipulating the surface. Finally, we highlight the properties and advantages of single-, few-, and many-layer 2D materials in field-effect transistors, spin- and valley-tronics, thermoelectrics, and topological insulators, among many other applications.
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Affiliation(s)
- Sheneve Z Butler
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
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Yui T, Kan A, Saitoh C, Koike K, Ibusuki T, Ishitani O. Photochemical reduction of CO₂ using TiO₂: effects of organic adsorbates on TiO₂ and deposition of Pd onto TiO₂. ACS APPLIED MATERIALS & INTERFACES 2011; 3:2594-600. [PMID: 21661739 DOI: 10.1021/am200425y] [Citation(s) in RCA: 147] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Reduction of CO(2) using semiconductors as photocatalysts has recently attracted a great deal of attention again. The effects of organic adsorbates on semiconductors on the photocatalytic products are noteworthy. On untreated TiO(2) (P-25) particles a considerable number of organic molecules such as acetic acid were adsorbed. Although irradiation of an aqueous suspension of this TiO(2) resulted in the formation of a significant amount of CH(4) as a major product, it was strongly suggested that its formation mainly proceeded via the photo-Kolbe reaction of acetic acid. Using TiO(2) treated by calcination and washing procedures for removal of the organic adsorbates, CO was photocatalytically generated as a major product, along with a very small amount of CH(4), from an aqueous suspension under a CO(2) atmosphere. In contrast, by using Pd (>0.5 wt %) deposited on TiO(2) (Pd-TiO(2)) on which organic adsorbates were not detected, CH(4) was the main product, but CO formation was drastically reduced compared with that on the pretreated TiO(2). Experimental data, including isotope labeling, indicated that CO(2) and CO(3)(2-) are the main carbon sources of the CH(4) formation, which proceeds on the Pd site of Pd-TiO(2). Prolonged irradiation caused deactivation of the photocatalysis of Pd-TiO(2) because of the partial oxidation of the deposited Pd to PdO.
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Affiliation(s)
- Tatsuto Yui
- Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1-E1-9 O-okayama, Meguro-ku, Tokyo 152-8551, Japan
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Sasai R, Iyi N, Kusumoto H. Luminous Change of Rhodamine 3B Incorporated into Titanate Nanosheet/Decyltrimethylammonium Hybrids under Humid Atmosphere. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2011. [DOI: 10.1246/bcsj.20100343] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Yui T, Kobayashi Y, Yamada Y, Yano K, Fukushima Y, Torimoto T, Takagi K. Photoinduced electron transfer between the anionic porphyrins and viologens in titania nanosheets and monodisperse mesoporous silica hybrid films. ACS APPLIED MATERIALS & INTERFACES 2011; 3:931-935. [PMID: 21405104 DOI: 10.1021/am101281n] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Photoinduced electron transfer between an anionic porphyrin derivative (tetrakis(p-carboxyphenyl)porphyrin; H(2)TCPP(4-)) and an electron accepting methyl viologen (MV(2+)) was investigated in two different nanoscale configurations, i.e., layered titania nanosheet (TNS) photocatalysts and ammonium-functionalized monodisperse mesoporous silica (AMMSS) particles. Cationic MV(2+) intercalated within the TNS interlayers while anionic H(2)TCPP(4-) was accommodated within AMMSS nanocavities to form (MV(2+)-TNS)/(H(2)TCPP(4-)-AMMSS) hybrid films. Upon irradiation with UV light and excitation of the TNS in the (MV(2+)-TNS)/(H(2)TCPP(4-)-AMMSS) hybrid films, the consumption of H(2)TCPP(4-) and the formation of a one-electron reduced MV(2+) (MV(+·)) were simultaneously observed. No consumption of H(2)TCPP(4-) was observed when an electrically insulating poly(styrene) (PS) was also introduced at the interface. These results suggest that photoinduced electron transfer occurred at the interface between the TNS and the AMMSS.
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Kubát P, Šebera J, Záliš S, Langmaier J, Fuciman M, Polívka T, Lang K. Charge transfer in porphyrin–calixarene complexes: ultrafast kinetics, cyclic voltammetry, and DFT calculations. Phys Chem Chem Phys 2011; 13:6947-54. [DOI: 10.1039/c0cp01726d] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Mas-Ballesté R, Gómez-Navarro C, Gómez-Herrero J, Zamora F. 2D materials: to graphene and beyond. NANOSCALE 2011; 3:20-30. [PMID: 20844797 DOI: 10.1039/c0nr00323a] [Citation(s) in RCA: 621] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
This review is an attempt to illustrate the different alternatives in the field of 2D materials. Graphene seems to be just the tip of the iceberg and we show how the discovery of alternative 2D materials is starting to show the rest of this iceberg. The review comprises the current state-of-the-art of the vast literature in concepts and methods already known for isolation and characterization of graphene, and rationalizes the quite disperse literature in other 2D materials such as metal oxides, hydroxides and chalcogenides, and metal-organic frameworks.
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Affiliation(s)
- Rubén Mas-Ballesté
- Departamento de Química Inorgánica, Universidad Autónoma de Madrid, 28049, Madrid, Spain
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Yui T, Hirano T, Okazaki KI, Inoue H, Torimoto T, Takagi K. Photocatalytic electron flow through the interface of titania nanosheets and mesoporous silica hybrid films. J Photochem Photobiol A Chem 2009. [DOI: 10.1016/j.jphotochem.2008.12.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Yui T, Tsuchino T, Mino H, Kajino T, Itoh S, Fukushima Y, Takagi K. Remarkably Stabilized Charge Separations in Inorganic Nanospace. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2009. [DOI: 10.1246/bcsj.82.914] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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16
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Osada M, Sasaki T. Exfoliated oxide nanosheets: new solution to nanoelectronics. ACTA ACUST UNITED AC 2009. [DOI: 10.1039/b820160a] [Citation(s) in RCA: 501] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Yamada Y, Nakamura T, Yano K. Optical response of mesoporous synthetic opals to the adsorption of chemical species. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:2779-2784. [PMID: 18229957 DOI: 10.1021/la702400f] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
We have demonstrated the fabrication of a colloidal crystalline array (synthetic opal) from monodispersed mesoporous silica spheres (MMSS) and the control of its optical response simply by changing the amount of benzene vapor adsorbed into the pores of MMSS. It was revealed that the refractive index of the colloidal crystal of MMSS showed an 11.7% increase by taking advantage of benzene adsorption, and thereby, the structural color changed reversibly. We also conducted the same measurement on silica spheres without mesopores and observed no change in the refractive index or the structural color. This optical response gives rise to the possibility of using MMSS colloidal crystals not only for controlling light reflection but also as sensing devices based on color change due to vapor adsorption. We have also incorporated an organic dye, the porphyrin derivative alpha,beta,chi,delta,-tetrakis(1-methylpyridinium-4-yl)porphyrin rho-toluenesulfonate (TMPyP), into the pores of MMSS. By adopting an electrophoretic deposition process in ethanol, periodic arrays fabricated from TMPyP-MMSS conjugates with absolute zeta-potentials near zero were obtained. The Bragg diffraction peak of the colloidal crystalline array shifted to longer wavelengths due to an increase in the refractive index with increasing amounts of TMPyP adsorbed in the pores. The current work demonstrates the new possibility of creating colloidal crystals from MMSS with mesopores filled with various kinds of adsorbates to control the optical response effectively.
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Affiliation(s)
- Yuri Yamada
- Toyota Central Research & Development Laboratories, Inc., Nagakute, Aichi 480-1192, Japan.
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Inui Y, Yui T, Itoh T, Higuchi K, Seki T, Takagi K. Reversible Redox Processes of Poly(anilines) in Layered Semiconductor Niobate Films under Alternate UV−Vis Light Illumination. J Phys Chem B 2007; 111:12162-9. [DOI: 10.1021/jp0747048] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Yoshihisa Inui
- Department of Crystalline Materials Science, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, Department of Molecular Design and Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, CREST (Japan Science and Technology), 3-14-15 Nihon-bashi, Chuo-ku, Tokyo 103-0027, Japan, and Department of Applied Chemistry, Tokyo Metropolitan University, Minami-ohsawa, Hachiohji, Tokyo 192-0397, Japan
| | - Tatsuto Yui
- Department of Crystalline Materials Science, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, Department of Molecular Design and Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, CREST (Japan Science and Technology), 3-14-15 Nihon-bashi, Chuo-ku, Tokyo 103-0027, Japan, and Department of Applied Chemistry, Tokyo Metropolitan University, Minami-ohsawa, Hachiohji, Tokyo 192-0397, Japan
| | - Toshio Itoh
- Department of Crystalline Materials Science, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, Department of Molecular Design and Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, CREST (Japan Science and Technology), 3-14-15 Nihon-bashi, Chuo-ku, Tokyo 103-0027, Japan, and Department of Applied Chemistry, Tokyo Metropolitan University, Minami-ohsawa, Hachiohji, Tokyo 192-0397, Japan
| | - Kimitaka Higuchi
- Department of Crystalline Materials Science, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, Department of Molecular Design and Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, CREST (Japan Science and Technology), 3-14-15 Nihon-bashi, Chuo-ku, Tokyo 103-0027, Japan, and Department of Applied Chemistry, Tokyo Metropolitan University, Minami-ohsawa, Hachiohji, Tokyo 192-0397, Japan
| | - Takahiro Seki
- Department of Crystalline Materials Science, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, Department of Molecular Design and Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, CREST (Japan Science and Technology), 3-14-15 Nihon-bashi, Chuo-ku, Tokyo 103-0027, Japan, and Department of Applied Chemistry, Tokyo Metropolitan University, Minami-ohsawa, Hachiohji, Tokyo 192-0397, Japan
| | - Katsuhiko Takagi
- Department of Crystalline Materials Science, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, Department of Molecular Design and Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi Prefecture 464-8603, Japan, CREST (Japan Science and Technology), 3-14-15 Nihon-bashi, Chuo-ku, Tokyo 103-0027, Japan, and Department of Applied Chemistry, Tokyo Metropolitan University, Minami-ohsawa, Hachiohji, Tokyo 192-0397, Japan
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Yui T, Kajino T, Tsuchino T, Okazaki KI, Torimoto T, Fukushima Y, Takagi K. Microscopic Structure of Separately Accommodated Porphyrins and Viologens in Mesoporous Silica and Titania Nanosheet Hybrid Films. ACTA ACUST UNITED AC 2007. [DOI: 10.14723/tmrsj.32.449] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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