Nonlinear optical(NLO)material are of great importance in converting the frequency to extend the laser spectrum in mid-and far-infrared(IR)regions where lasers operate poorly or are unavailable.However,the contradicti...Nonlinear optical(NLO)material are of great importance in converting the frequency to extend the laser spectrum in mid-and far-infrared(IR)regions where lasers operate poorly or are unavailable.However,the contradiction between large second-harmonic generation(SHG)intensity and wide band gap(E_(g))is a long-standing problem for IR NLO materials.To address the issue,metal chalcogenides have been successfully synthesized and developed excellent optical properties in the past few decades.As a newly discovered category of chalcogenides,salt-inclusion chalcogenides with distinctive structures and brilliant performances have been placed great expecta-tions to be a novel problem-solving.In this review,52 compounds in this thriving family are categorized via dimensions of host and guest parts,further discussing the relationships between their structures and NLO properties,as well as future perspectives of this family.展开更多
基金financially supported by the National Natural Science Foundation of China(Nos.20931003 and 21071068)the National Science Foundation for Fostering Talents in Basic Research of the National Natural Science Foundation of China(No. J1103307)
文摘Received 23 November 2012 Received in revised form 13 December 2012 Accepted 18 December 2012 Available online 20 January 2013
基金supported by the National Natural Science Foundation of China(21921001,22075283,92161125,U21A20508)the Youth Innovation Promotion Association of Chinese Academy of Sciences of China(2021300)Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of China(2020ZZ108,2021ZR205).
文摘Nonlinear optical(NLO)material are of great importance in converting the frequency to extend the laser spectrum in mid-and far-infrared(IR)regions where lasers operate poorly or are unavailable.However,the contradiction between large second-harmonic generation(SHG)intensity and wide band gap(E_(g))is a long-standing problem for IR NLO materials.To address the issue,metal chalcogenides have been successfully synthesized and developed excellent optical properties in the past few decades.As a newly discovered category of chalcogenides,salt-inclusion chalcogenides with distinctive structures and brilliant performances have been placed great expecta-tions to be a novel problem-solving.In this review,52 compounds in this thriving family are categorized via dimensions of host and guest parts,further discussing the relationships between their structures and NLO properties,as well as future perspectives of this family.
