Lim, Seok-In Koo, Jahyeon Jang, Junhwa Oh, Mintaek Tran, Duy Thanh Park, Sungjune Cao, Yan Kim, Dae-Yoon Jeong, Kwang-Un 2024-01-19T14:30:37Z 2024-01-19T14:30:37Z 2021-10-21 2021-07 1944-8244 https://pubs.kist.re.kr/handle/201004/116802 A series of diketopyrrolopyrrole (DPP) luminogen amphiphiles were newly designed and synthesized by a single-step anionic exchange reaction for controlling the photoluminescence properties in both solution and solid states. Multicolor emission in response to thermal, mechanical, and chemical stimuli was successfully demonstrated by engineering well-defined supramolecular assemblies. Phase transformation from the metastable amorphous solid to the stable orthorhombic crystal of [DP-Im][Br] provided the reversibly patternable light emission. Self-organization into the smectic crystalline phase of [DP-Im][TFSI] allowed us to show the linearly polarized light emission. By simultaneously applying [DP-Im][Br] and [DP-Im][TFSI], we demonstrated the fabrication of smart sensors for packaging of food or vaccines that can detect thermal attacks. English American Chemical Society Development of Diketopyrrolopyrrole-Based Smart Inks by Substituting Ionic Pendants and Engineering Molecular Packing Structures Article 10.1021/acsami.1c08425 1 ACS Applied Materials & Interfaces, v.13, no.26, pp.31206 - 31214 ACS Applied Materials & Interfaces 13 26 31206 31214 N scie scopus 000672492800092 2-s2.0-85110259762 Nanoscience & Nanotechnology Materials Science, Multidisciplinary Science & Technology - Other Topics Materials Science Article INDUCED EMISSION ENHANCEMENT CRYSTALLIZATION FLUORESCENCE FLUOROPHORES POLYMER LIQUID SYSTEM chromophores diketopyrrolopyrrole luminescence phase transitions nanostructures