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Stimuli-responsive polydopamine-based smart materials.

Peng Yang¹, Fang Zhu, Zhengbiao Zhang

¹College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China. ywli@scu.edu.cn.

Chemical Society Reviews

|June 8, 2021

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Polydopamine (PDA) is a versatile material for smart functional materials due to its responsiveness to various stimuli like light and temperature. This review highlights PDA

Area of Science:

Materials Science
Polymer Chemistry
Nanotechnology

Background:

Smart materials exhibit responsiveness to external stimuli, a key area in advanced material design.
Polydopamine (PDA), a bio-inspired polymer, possesses inherent photo-responsive properties and a functional surface.
While PDA is known for its robustness, its stimuli-responsive characteristics have been underexplored in previous reviews.

Purpose of the Study:

To provide a comprehensive summary of stimuli-responsive polydopamine (PDA)-based smart materials.
To detail the design strategies and responsive mechanisms of these advanced materials.
To explore the diverse applications driven by PDA's responsiveness to multiple stimuli.

Main Methods:

Literature review focusing on recent advancements in stimuli-responsive PDA materials.

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Analysis of design strategies for incorporating various responsive functionalities into PDA.

Categorization of responsive mechanisms triggered by different external stimuli.

Main Results:

PDA-based materials demonstrate responsiveness to a wide array of stimuli including light, pH, temperature, chemicals, humidity, electric fields, mechanical force, magnetic fields, and ultrasound.
The review consolidates information on the design principles and underlying mechanisms for these responsive behaviors.
Numerous applications leveraging these stimuli-responsive properties are identified and discussed.

Conclusions:

Stimuli-responsive PDA-based materials offer significant potential for advanced functional material development.
This review establishes PDA as a key platform for creating sophisticated smart materials.
Future research directions and challenges in this field are outlined.