journal article·2021-05-05

Multistimuli-Responsive Lanthanide-Containing Smart Luminescent Hydrogel Actuator

Bin Li, Zhihua Song, Kongyi Zhu, Qingyu Niu, Zhiqiang Li, Huanrong Li

ACS Applied Materials & Interfaces· Volume 13· Issue 17
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Abstract

Stimuli-responsive hydrogels are flourishing; however, a multiresponsive luminescent hydrogel actuator in which the stimuli do not interfere with each other is still difficult to produce. Here, a smart luminescent bilayer hydrogel actuator with shape memory and reversible luminescence switch behaviors under the co-stimulation of pH and heating is reported. Under alkaline condition, chitosan-containing layer generates physical microcrystals to fix the temporary shape of the actuator while lanthanide emits bright luminescence. Upon acid treatment, the actuator recovers to its original shape and the luminescence is quenched since the "antenna effect" between organic ligand and lanthanide ions is disrupted. It is to be noticed that this multiresponsive cycle can be repeated several times without interfering each other. This work is expected to have potential application prospects in the fields of biomimetic soft robots, sensors, and camouflage.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Micro and Nano Robotics · Lanthanide and Transition Metal Complexes · Advanced Sensor and Energy Harvesting Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Dao 8, Hongqiao District, Tianjin 300130, P. R. China

School of Pharmacy, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Yantai University, Yantai 264005, P. R. China

Inner Mongolia Yitai Petrochemical Co. LTD, Erdos 017000, P. R. China

Funding

Natural Science Foundation of Hebei Province · Natural Science Foundation of Tianjin City · National Natural Science Foundation of China · Science and Technology Innovation Development Plan of Yantai · Program for Innovative Talents in Colleges and Universities of Hebei Province

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