Precise Synthesis of Organic Cocrystal Alloys with Full-Spectrum Emission Characteristics for the Stepless Color Changing Display

Jing Yang, Ying Xin Ma, Yi Zong, Mao Sun, Yun Wang, Ren Long Zhang, Jin Feng, Chuan Zeng Wang, Shu Ping Zhuo, Jin Zhou, Ying Li Shi, Shu Hai Chen*, Xue Dong Wang*, Hong Tao Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Organic luminescent materials are indispensable in optoelectronic displays and solid-state luminescence applications. Compared with single-component, multi-component crystalline materials can improve optoelectronic characteristics. This work forms a series of full-spectrum tunable luminescent charge-transfer (CT) cocrystals ranging from 400 to 800 nm through intermolecular collaborative self-assembly. What is even more interesting is that o-TCP-Cor(x)-Pe(1−x), p-TCP-Cor(x)-Pe(1−x), and o-TCP-AN(x)-TP(1−x) alloys are prepared based on cocrystals by doping strategies, which correspondingly achieve the stepless color change from blue (CIE [0.22, 0.44]) to green (CIE [0.16, 0.14]), from green (CIE [0.27, 0.56]) to orange (CIE [0.58, 0.42]), from yellow (CIE [0.40, 0.57]) to red (CIE [0.65, 0.35]). The work provides an efficient method for precisely synthesizing new luminescent organic semiconductor materials and lays a solid foundation for developing advanced organic solid-state displays.

Original languageEnglish
Article number2307129
JournalSmall
Volume20
Issue number20
DOIs
Publication statusAccepted/In press - 2023

Keywords

  • charge-transfer cocrystals
  • full-spectrum tunable luminescent
  • molecular self-assembly
  • stepless color change
  • three-component alloys

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