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A Facile Synthetic Route to a New SHG Material with Two Types of Parallel π‐Conjugated Planar Triangular Units
Author(s) -
Song JunLing,
Hu ChunLi,
Xu Xiang,
Kong Fang,
Mao JiangGao
Publication year - 2015
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201412344
Subject(s) - conjugated system , boron , hydrothermal circulation , materials science , lone pair , planar , honeycomb , hydrothermal synthesis , potassium , crystallography , chemistry , chemical engineering , polymer , molecule , organic chemistry , computer graphics (images) , computer science , engineering , metallurgy , composite material
A new SHG material, namely, Pb 2 (BO 3 )(NO 3 ), which contains parallel π‐conjugated nitrate and borate anions, was obtained through a facile hydrothermal reaction by using Pb(NO 3 ) 2 and Mg(BO 2 ) 2 ⋅H 2 O as starting materials. Its structure contains honeycomb [Pb 2 (BO 3 )] ∞ layers with noncoordination [NO 3 ] − anions located at the interlayer space. Pb 2 (BO 3 )(NO 3 ) shows a remarkable strong SHG response of approximately 9.0 times that of potassium dihydrogen phosphate (KDP) and the material is also phase‐matchable. The large SHG coefficient of Pb 2 (BO 3 )(NO 3 ) arises from the synergistic effect of the stereoactive lone pairs on Pb 2+ cations and parallel alignment of π‐conjugated BO 3 and NO 3 units. Based on its unique properties, Pb 2 (BO 3 )(NO 3 ) may have great potential as a high performance NLO material in photonic applications.
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