TY - JOUR
T1 - Surfactant-Induced Interfacial Aggregation of Porphyrins for Structuring Color-Tunable Liquids
AU - Gu, Pei-Yang
AU - Xie, Ganhua
AU - Kim, Paul Y.
AU - Chai, Yu
AU - Wu, Xuefei
AU - Jiang, Yufeng
AU - Xu, Qing-Feng
AU - Liu, Feng
AU - Lu, Jian-Mei
AU - Russell, Thomas P.
PY - 2021/2/8
Y1 - 2021/2/8
N2 - Locking nonequilibrium shapes of liquids into targeted architectures by interfacial jamming of nanoparticles is an emerging area in material science. 5,10,15,20-tetrakis(4-sulfonatophenyl) porphyrin (H6TPPS) shows three different aggregation states that present an absorption imaging platform to monitor the assembly and jamming of supramolecular polymer surfactants (SPSs) at the liquid/liquid interface. The interfacial interconversion of H6TPPS, specifically H4TPPS2− dissolved in water, from J- to an H-aggregation was induced by strong electrostatic interactions with amine-terminated polystyrene dissolved in toluene at the water/toluene interface. This resulted in color-tunable liquids due to interfacial jamming of the SPSs formed between H4TPPS2− and amine-terminated polystyrene. However, the formed SPSs cannot lock in nonequilibrium shapes of liquids. In addition, a self-wrinkling behavior was observed when amphiphilic triblock copolymers of PS-block-poly(2-vinylpyridine)-block-poly(ethylene oxide) were used to interact with H4TPPS2−. Subsequently, the SPSs formed can lock in nonequilibrium shapes of liquids.
AB - Locking nonequilibrium shapes of liquids into targeted architectures by interfacial jamming of nanoparticles is an emerging area in material science. 5,10,15,20-tetrakis(4-sulfonatophenyl) porphyrin (H6TPPS) shows three different aggregation states that present an absorption imaging platform to monitor the assembly and jamming of supramolecular polymer surfactants (SPSs) at the liquid/liquid interface. The interfacial interconversion of H6TPPS, specifically H4TPPS2− dissolved in water, from J- to an H-aggregation was induced by strong electrostatic interactions with amine-terminated polystyrene dissolved in toluene at the water/toluene interface. This resulted in color-tunable liquids due to interfacial jamming of the SPSs formed between H4TPPS2− and amine-terminated polystyrene. However, the formed SPSs cannot lock in nonequilibrium shapes of liquids. In addition, a self-wrinkling behavior was observed when amphiphilic triblock copolymers of PS-block-poly(2-vinylpyridine)-block-poly(ethylene oxide) were used to interact with H4TPPS2−. Subsequently, the SPSs formed can lock in nonequilibrium shapes of liquids.
KW - interfacial assembly
KW - interfacial interconversion
KW - multicolor
KW - porphyrin
KW - structure liquid
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UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-85097263451&origin=recordpage
U2 - 10.1002/anie.202012742
DO - 10.1002/anie.202012742
M3 - RGC 21 - Publication in refereed journal
C2 - 33111473
SN - 1433-7851
VL - 60
SP - 2871
EP - 2876
JO - Angewandte Chemie - International Edition
JF - Angewandte Chemie - International Edition
IS - 6
ER -