Single-Crystal Linear Polymers Through Visible Light–Triggered Topochemical Quantitative Polymerization

Author:

Dou Letian123,Zheng Yonghao14,Shen Xiaoqin1,Wu Guang5,Fields Kirk6,Hsu Wan-Ching23,Zhou Huanping23,Yang Yang23,Wudl Fred145

Affiliation:

1. California NanoSystems Institute, University of California, Santa Barbara, CA 93106, USA.

2. Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095, USA.

3. California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA.

4. Advanced Institute for Materials Research at Tohoku University, a World Premier International Research Centers (WPI) Initiative Program (WPI-AIMR) and joint center with the California NanoSystems Institute, University of California, Santa Barbara, CA 93106, USA.

5. Department of Materials, University of California, Santa Barbara, CA 93106, USA.

6. Department of Mechanical Engineering, University of California, Santa Barbara, CA 93106, USA.

Abstract

Topochemical Polymerization In a topochemical reaction, chemical changes start at active sites in the solid and then proceed autocatalytically to neighboring regions. If one starts with a monomer that can form ordered structures similar to the final polymer, it is possible to polymerize chains in a fully ordered state and thus make very long single chains. Dou et al. (p. 272 ; see the Perspective by Goroff ) describe an unexpected visible-light–induced polymerization of derivatives of a dye. Two of the derivatives underwent photoinduced single-crystal-to-single-crystal topochemical polymerization.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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