Nitroprusside-Based Organic-Inorganic Functional Hybrids

Abstract

first_page settings Order Article Reprints Font Type: Arial Georgia Verdana Font Size: Aa Aa Aa Line Spacing:    Column Width:    Background: Open AccessAbstract Nitroprusside-Based Organic-Inorganic Functional Hybrids † by Wei-Jian Xu 1,*, Rong-Guan Qiu 2, Wei-Xiong Zhang 2, Andrei Kholkin 3 and João Rocha 1 1 Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal 2 MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China 3 Department of Physics, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal * Author to whom correspondence should be addressed. † Presented at the Materiais 2022, Marinha Grande, Portugal, 10–13 April 2022. Mater. Proc. 2022, 8(1), 96; https://doi.org/10.3390/materproc2022008096 Published: 16 June 2022 (This article belongs to the Proceedings of MATERIAIS 2022) Download Download PDF Download PDF with Cover Download XML Download Epub Browse Figure Versions Notes Transition-metal inorganic nitroprussides have been found to have potential applications, ranging from gas storage and separations to photomagnetism, medical technologies, and electrochemistry [1,2]. Although great effort has been devoted to the design and synthesis of nitroprusside-based materials with various physical properties, reports on the thermo/photo-responsive properties of nitroprusside-based hybrids are still extremely scarce.We herein present our recent work on nitroprusside-based hybrids with exceptional electrical, optical, and thermal properties (Figure 1). Namely, unusual "negative-positive" uniaxial thermal expansion switching and an "on-off" nonlinear optical switching behaviour were observed in (Me2NH2)[KFe(CN)5(NO)] [3]. Photoisomerization was realized for the first time in solid-state hybrid ferroelectrics that allow photo-switching between the ferroelectric ground state and the metastable state [4]. Author ContributionsConceptualization, W.-J.X.; methodology, R.-G.Q.; writing—original draft preparation, W.-J.X.; supervision, W.-X.Z., A.K., J.R. All authors have read and agreed to the published version of the manuscript.FundingThis research was funded by the NSFC (22071273, 21805312, and 21821003). This research was also developed within the scope of the project CICECO-Aveiro Institute of Materials, UIDB/50011/2020 & UIDP/50011/2020, PTDC/CTM-CTM/4044/2020 financed by national funds through the FCT/MEC and when appropriate co-financed by FEDER under the PT2020 Partnership Agreement.Institutional Review Board StatementNot applicable.Informed Consent StatementNot applicable.Conflicts of InterestThe authors declare no conflict of interest.ReferencesWoike, T.; Krasser, W.; Bechthold, P.S.; Haussühl, S. Extremely Long-Living Metastable State of Na2[Fe(CN)5 NO]·2H2O Single Crystals: Optical Properties. Physical review letters. Phys. Rev. Lett. 1984, 53, 1767–1770. [Google Scholar] [CrossRef]Ohkoshi, S.I.; Nakagawa, K.; Imoto, K.; Tokoro, H.; Shibata, Y.; Okamoto, K.; Miyamoto, Y.; Komine, M.; Yoshikiyo, M.; Namai, A. A photoswitchable polar crystal that exhibits superionic conduction. Nat. Chem. 2020, 12, 338–344. [Google Scholar] [CrossRef] [PubMed]Qiu, R.G.; Chen, X.X.; Huang, R.K.; Zhou, D.D.; Xu, W.J.; Zhang, W.X.; Chen, X.M. Nitroprusside as a promising building block to assemble an organic–inorganic hybrid for thermo-responsive switching materials. Chem. Commun. 2020, 56, 5488–5491. [Google Scholar] [CrossRef] [PubMed]Xu, W.J.; Romanyuk, K.; Martinho, J.M.; Zeng, Y.; Zhang, X.W.; Ushakov, A.; Shur, V.; Zhang, W.X.; Chen, X.M.; Kholkin, A.; et al. Photoresponsive Organic–Inorganic Hybrid Ferroelectric Designed at the Molecular Level. J. Am. Chem. Soc. 2020, 142, 16990–16998. [Google Scholar] [CrossRef] [PubMed] Figure 1. Switching of thermal expansion, second harmonic generation (SHG), and polarization in two nitroprusside-based hybrids. Figure 1. Switching of thermal expansion, second harmonic generation (SHG), and polarization in two nitroprusside-based hybrids. Publisher's Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Share and Cite MDPI and ACS Style Xu, W.-J.; Qiu, R.-G.; Zhang, W.-X.; Kholkin, A.; Rocha, J. Nitroprusside-Based Organic-Inorganic Functional Hybrids. Mater. Proc. 2022, 8, 96. https://doi.org/10.3390/materproc2022008096 AMA Style Xu W-J, Qiu R-G, Zhang W-X, Kholkin A, Rocha J. Nitroprusside-Based Organic-Inorganic Functional Hybrids. Materials Proceedings. 2022; 8(1):96. https://doi.org/10.3390/materproc2022008096 Chicago/Turabian Style Xu, Wei-Jian, Rong-Guan Qiu, Wei-Xiong Zhang, Andrei Kholkin, and João Rocha. 2022. 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