Optimized arrangement of non-π-conjugated PO3NH3 units leads to enhanced ultraviolet optical nonlinearity in NaPO3NH3

Author:

Wu Lingli123,Tian Haotian23,Lin Chensheng2ORCID,Zhao Xin23,Fan Huixin2,Dong Pengxiang2,Yang Shunda2,Ye Ning4,Luo Min12ORCID

Affiliation:

1. Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian, 350108, China

2. Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China

3. University of the Chinese Academy of Sciences, Beijing, 100049, China

4. Tianjin Key Laboratory of Functional Crystal Materials, Institute of Functional Crystal, Tianjin University of Technology, Tianjin, 300384, China

Abstract

Here, the polar covalent group (PO3NH3) is identified as a novel deep-ultraviolet (DUV) NLO-active unit. Its ordered arrangement in NaPO3NH3 makes this compound exhibiting the largest birefringence among DUV non-π-conjugated phosphate systems.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Fujian Province

Chinese Academy of Sciences

Publisher

Royal Society of Chemistry (RSC)

Subject

Inorganic Chemistry

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