SCIENCE CHINA Materials, Volume 63 , Issue 7 : 1272-1278(2020) https://doi.org/10.1007/s40843-020-1281-y

Controllable synthesis and spontaneous phase transition of photonic coordination polymer to produce a strong second-harmonic generation response

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  • ReceivedJan 17, 2020
  • AcceptedFeb 25, 2020
  • PublishedApr 8, 2020



Thanks for the financial support from the Natural Science Foundation of Xinjiang Uygur Autonomous Region of China(2019D01C059)

the National Natural Science Foundation of China(21671003,21201005)

the High Performance Computing Center of Henan Normal University and the 111 Project(D17007)

Xinjiang Program of Cultivation of Young Innovative Technical Talents(2018Q061)

the “2018 Tianchi Doctoral Plan” of Xinjiang Uygur Autonomous Region of China

the Doctoral Scientific Research Foundation of Anhui Jianzhu University(2017QD15)

Xinjiang University.


This work was supported by the Natural Science Foundation of Xinjiang Uygur Autonomous Region of China (2019D01C059), the National Natural Science Foundation of China (21671003 and 21201005), the High Performance Computing Center of Henan Normal University and the 111 Project (D17007), Xinjiang Program of Cultivation of Young Innovative Technical Talents (2018Q061), the “2018 Tianchi Doctoral Plan” of Xinjiang Uygur Autonomous Region of China, the Doctoral Scientific Research Foundation of Anhui Jianzhu University (2017QD15) and Xinjiang University. We thank LetPub (www.letpub.com) for its linguistic assistance during the preparation of this manuscript.

Interest statement

The authors declare that they have no conflicts of interest.

Contributions statement

Zhang J designed the research, performed the synthesis and crystallization, and refined the single-crystal XRD data; Abudoureheman M performed the theoretical data analysis and wrote the manuscript; Ma X and Kong W performed the other experiments; Xuan X and Pan S designed the concept and supervised the experimental and theoretical data collection. All authors contributed to the general discussion.

Author information

Jun Zhang received his Bachelor’s degree from Anhui Normal University, and PhD degree from Nanjing University. Now he is a full associate professor of Anhui Jianzhu University focusing on the main research of design, construction and functional property for the coordination complexes as well as structural refinement based on single crystal XRD.

Maierhaba Abudoureheman received her Bachelor’s degree from Shanghai Jiao Tong University in 2012, and Master’s degree from Xinjiang Normal University in 2015. She completed her PhD under the supervision of Professor Shilie Pan at Xinjiang Technical Institute of Physics & Chemistry (XTIPC), Chinese Academy of Sciences (CAS) in 2018. Now she is a full associate professor of Xinjiang University. She is currently focusing on the optical materials.

Xiaopeng Xuan received his Bachelor’s and Master’s degrees from Henan Normal University, and PhD degree from Lanzhou Institute of Chemical Physics, CAS. Now he is a full professor of Henan Normal University. His research mainly focuses on the thermodynamics of functional solution, and preparation of crystalline materials and their applications.

Shilie Pan completed his PhD under the supervision of Professor Yicheng Wu (Academician) at the University of Science & Technology of China in 2002. From 2002 to 2004, he was a post-doctoral fellow at the Technical Institute of Physics & Chemistry of CAS in the laboratory of Professor Chuangtian Chen (Academician). From 2004 to 2007, he was a post-doctoral fellow at Northwestern University in the laboratory of Professor Kenneth R. Poeppelmeier in USA. Since 2007, he has been working as a full professor at XTIPC, CAS. His current research interests include the design, synthesis, crystal growth and evaluation of new optical-electronic functional materials.

Supplementary data

Supplementary information

Experimental details and supporting data are available in the online version of the paper.


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  • Figure 1

    1D chain structures of 1-α (a, b) and 1-β (c, d). The H-atoms and the solvent molecules are omitted for clarity.

  • Figure 2

    TG and DSC plots of 1-β from room temperature to 800°C under N2 flow.

  • Figure 3

    (a) Photographs of γ-dptpt in DMF/water mixtures with 0, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90% and 100% water contents taken in the presence of 365 nm UV irradiation from a hand-held UV lamp. (b) Photoluminescence (PL) spectra (λex = 360 nm) of γ-dptpt in DMF/water mixtures with different water fractions (fw). (c) PL intensity at λem = 550 nm of γ-dptpt aggregates formed in DMF/water mixtures with different fw.

  • Figure 4

    (a) The solid-state diffuse reflectance UV-Vis spectra for the ligand γ-dptpt and 1-β; (b) the solid-state emission spectra for the γ-dptpt ligand (excited at 419 nm) and 1-β (excited at 393 nm); (c) fluorescence lifetimes of the γ-dptpt ligand and 1-β derived from a least-square fit using a single exponential function; (d) fluorescence quantum yields and lifetimes of the γ-dptpt ligand and 1-β.

  • Figure 5

    SHG intensities of the 1-β phase with commercial KDP as reference: oscilloscope traces from the same particle size (150–200 μm) of KDP and 1-β powders.

  • Table 1   Table 1 Detailed contribution of the ZnCl2N2 tetrahedra from different symmetry codes and total polarization of the whole unit cell (Z = 4)

    Compound 1-β

    Dipole moment

    Symmetric code




    Magnitude (Debye)

    x, 1+y, z





    1/2−x, 1/2+y, −1/2+z





    1−x, −y, −1/2+z





    1/2+x, 1/2−y, z






    Total polarization






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