Syntheses, characterizations and third-order NLO properties of a series of Ni(II), Cu(II) and Zn(II) complexes using a novel S-benzyldithiocarbazate ligand

详细信息    查看全文

• 作者：Hui Liu^a ; ¹ ; Liangtao Wu^a ; ¹ ; Fei Li^a ; Xingyu Wang^a ; Hui Pan^a ; Yanhan Ni^a ; Jiaxiang Yang^a ; Shengli Li^a ; Yupeng Tian^a ; ^b ; ^{yptian@ahu.edu.cn} ; Jieying Wu^a ; ^{jywu1957@163.com}
• 关键词：S-benzyldithiocarbazate ligand ; Ni(II) ; Cu(II) and Zn(II) complexes ; Z-scan technique ; Third-order nonlinear ; Optical limiting
• 刊名：Polyhedron
• 出版年：2017
• 出版时间：10 January 2017
• 年：2017
• 卷：121
• 期：Complete
• 页码：53-60
• 全文大小：1867 K
• 卷排序：121

文摘

A novel dithiocarbazate derivative ligand based on triphenylamine with D-π-A model (HL) and its corresponding transition metal complexes were designed, synthesized and fully characterized. The crystal structures of NiL2 and CuL2 have been confirmed by single crystal X-ray diffraction analysis, indicating that the coordinates to metal-ion to form a five-membered chelated ring with an excellent square-planar conformation, which further form high electron delocalization. Crystal structure determination also confirmed that the structures of NiL2 and CuL2 are isostructural. Open and closed aperture Z-scan measurements were devoted to explore the third-order nonlinear optical (NLO) properties with the aid of femtosecond pulse laser from 680 to 1080 nm. The results revealed that complexes NiL2 and CuL2 possessed large 2PA cross-sections 11235.33 and 12018.99 GM, as well as optical power limiting properties.