Christopher J. Barrett

McGill University, Tokyo Institute of Technology

Papers

Total Citations

468

H-Index

About

Christopher J. Barrett is a leading figure in the field of photoresponsive materials, with a primary focus on azobenzene-based polymers and liquid-crystalline systems. His pioneering work has fundamentally advanced the design of light-driven actuators and shape-shifting materials, demonstrating how molecular switches can be harnessed to produce macroscopic motion. His most influential paper, "Photomobile polymer materials—various three-dimensional movements" (2008, 379 citations), introduced a groundbreaking composite that could perform complex, lifelike movements—such as inchworm-like crawling and robotic arm motions—solely under light exposure. This work laid the foundation for a new class of soft robotics and smart materials. Barrett further expanded the field's potential with his 2017 study, "Shape‐Shifting Azo Dye Polymers: Towards Sunlight‐Driven Molecular Devices" (89 citations), which explored using gentle, sustainable light sources to control polymer structure and function, moving toward practical, sunlight-powered devices. His research bridges fundamental polymer chemistry and applied materials science, offering transformative possibilities for sensors, actuators, and molecular machines. With over 400 citations across his key works, Barrett's contributions continue to inspire innovations in stimuli-responsive materials and photomechanical systems.