Partial Isovalent Anion Substitution to Access Remarkable Second-Harmonic Generation Response: A Generic and Effective Strategy for Design of Infrared Nonlinear Optical Materials - Details

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Abstract：

Nonlinear　optical　(NLO)　materials　have　received　unprecedented　attention　owing　to　their　capability　of　frequency　conversion　in　the　photoelectric　fields.　Yet,　how　to　acquire　a　crystal　with　a　noncentrosymmetric　(NCS)　structure　is　still　a　grand　challenge　for　the　NLO　material.　Herein,　a　new　quaternary　NCS　oxychalcogenide,　SrGeOSe2,　was　successfully　designed　and　synthesized　using　the　known　centrosymmetric　SrGeO3　as　a　maternal　structure　through　a　generic　partial　isovalent　anion　substitution　(PIAS)　strategy.　SrGeOSe2　belongs　to　the　NCS　space　group　P212121　(no.19)　and　features　a　one-dimensional　(1D)　chain　made　by　heteroligand　[GeO2Se2]　asymmetric　building　units.　Such　a　new　compound　exhibits　desirable　comprehensive　performance,　which　suggests　a　promising　IR-NLO　material:　Type-I　phase-matching　feature,　strong　powder　second-harmonic　generation　intensity　(dij　=　1.3　×　commercial　AgGaS2),　and　giant　powder　laser-induced　damage　threshold　(36　×　commercial　AgGaS2).　Furthermore,　the　systematic　theoretical　investigations　have　been　performed　for　the　deep　understanding　of　the　correlation　between　the　NCS　structure　and　the　NLO　property.　More　importantly,　this　work　pioneers　a　new　molecular　engineering　strategy　for　NCS　compounds　that　could　be　extended　to　other　NLO　materials.　Copyright　©　2020　American　Chemical　Society.

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[ 1 ] [Ran, M.-Y.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 2 ] [Ran, M.-Y.]College of Chemical Engineering, Fuzhou University, Fuzhou, 350002, China
[ 3 ] [Ma, Z.]School of Environmental and Materials Engineering, Yantai University, Yantai, 264005, China
[ 4 ] [Chen, H.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 5 ] [Li, B.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 6 ] [Wu, X.-T.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 7 ] [Lin, H.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 8 ] [Zhu, Q.-L.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China

Reprint 's Address：

[Lin, H.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of SciencesChina

Email：

linhua@fjirsm.ac.cn

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Chemistry of Materials

ISSN： 0897-4756

Year： 2020

Issue： 13

Volume： 32

Page： 5890-5896

9 . 8 1 1

JCR@2020

7 . 2 0 0

JCR@2023

ESI HC Threshold：196

JCR Journal Grade：1

CAS Journal Grade：2

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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