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Dutta Pal G, Paul S, Bardhan M, De A, Ganguly T. Designing of an artificial light energy converter in the form of short-chain dyad when combined with core-shell gold/silver nanocomposites. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 180:168-174. [PMID: 28284163 DOI: 10.1016/j.saa.2017.03.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 03/01/2017] [Accepted: 03/06/2017] [Indexed: 06/06/2023]
Abstract
UV-vis absorption, steady state and time resolved fluorescence and absorption spectroscopic investigations demonstrate that the short chain dyad MNTMA when combined with gold-silver core-shell (Au@Ag) nanocomposite , forms elongated conformers in the excited state whereas for the dyad - Ag (spherical) system the majority of dyads remains in a folded conformation. In the dyad-core-shell nanocomposite system, energy wasting charge recombination rate slows down primarily due to elongated conformation and thus it may be anticipated that this hybrid nanocomposite system may serve as a better light energy conversion device.
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Affiliation(s)
- Gopa Dutta Pal
- Department of Physics, Jadavpur University, Jadavpur, Kolkata 700032, India
| | - Somnath Paul
- School of Laser Science and Engineering, Jadavpur University, Jadavpur, Kolkata 700032, India
| | | | - Asish De
- Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
| | - Tapan Ganguly
- School of Laser Science and Engineering, Jadavpur University, Jadavpur, Kolkata 700032, India.
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Ushakov EN, Gromov SP, Vedernikov AI, Malysheva EV, Botsmanova AA, Alfimov MV, Eliasson B, Edlund UG, Whitesell JK, Fox MA. Self-Organization of Highly Stable Electron Donor−Acceptor Complexes via Host−Guest Interactions. J Phys Chem A 2001. [DOI: 10.1021/jp012082z] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Evgeny N. Ushakov
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russian Federation, Photochemistry Center, Russian Academy of Sciences, 117421 Moscow, Russian Federation, Department of Organic Chemistry, Umea University, Umea S-901 87, Sweden, and Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-7001
| | - Sergey P. Gromov
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russian Federation, Photochemistry Center, Russian Academy of Sciences, 117421 Moscow, Russian Federation, Department of Organic Chemistry, Umea University, Umea S-901 87, Sweden, and Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-7001
| | - Artem I. Vedernikov
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russian Federation, Photochemistry Center, Russian Academy of Sciences, 117421 Moscow, Russian Federation, Department of Organic Chemistry, Umea University, Umea S-901 87, Sweden, and Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-7001
| | - Ekaterina V. Malysheva
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russian Federation, Photochemistry Center, Russian Academy of Sciences, 117421 Moscow, Russian Federation, Department of Organic Chemistry, Umea University, Umea S-901 87, Sweden, and Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-7001
| | - Asya A. Botsmanova
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russian Federation, Photochemistry Center, Russian Academy of Sciences, 117421 Moscow, Russian Federation, Department of Organic Chemistry, Umea University, Umea S-901 87, Sweden, and Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-7001
| | - Michael V. Alfimov
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russian Federation, Photochemistry Center, Russian Academy of Sciences, 117421 Moscow, Russian Federation, Department of Organic Chemistry, Umea University, Umea S-901 87, Sweden, and Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-7001
| | - Bertil Eliasson
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russian Federation, Photochemistry Center, Russian Academy of Sciences, 117421 Moscow, Russian Federation, Department of Organic Chemistry, Umea University, Umea S-901 87, Sweden, and Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-7001
| | - Ulf G. Edlund
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russian Federation, Photochemistry Center, Russian Academy of Sciences, 117421 Moscow, Russian Federation, Department of Organic Chemistry, Umea University, Umea S-901 87, Sweden, and Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-7001
| | - James K. Whitesell
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russian Federation, Photochemistry Center, Russian Academy of Sciences, 117421 Moscow, Russian Federation, Department of Organic Chemistry, Umea University, Umea S-901 87, Sweden, and Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-7001
| | - Marye Anne Fox
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russian Federation, Photochemistry Center, Russian Academy of Sciences, 117421 Moscow, Russian Federation, Department of Organic Chemistry, Umea University, Umea S-901 87, Sweden, and Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-7001
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