Improving diacetylene photopolymerization in monolayers and ultrathin films

Jie Ji; Yao Li; Sven Bernaerts; Kunal S. Mali; Rui Ding; Hongzhen Lin; Louis A. Cuccia; Steven De Feyter; Oleksandr Ivasenko; Lifeng Chi; Yuan Fang

doi:10.1039/D5NR00520E

Improving diacetylene photopolymerization in monolayers and ultrathin films†

Jie Ji,

‡^a Yao Li,

‡^a Sven Bernaerts,^b Kunal S. Mali,

^b Rui Ding,

^a Hongzhen Lin,

^c Louis A. Cuccia,^d Steven De Feyter,

*^b Oleksandr Ivasenko,

*^a Lifeng Chi

*^a and Yuan Fang

*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Bioinspired Interfacial Materials Science, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, PR China
E-mail: ivasenko@suda.edu.cn, chilf@suda.edu.cn, yfang2000@suda.edu.cn

^b Division of Molecular Imaging and Photonics, Department of Chemistry, KU Leuven, Celestijnenlaan 200 F, 3001 Leuven, Belgium
E-mail: steven.defeyter@kuleuven.be

^c i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, PR China

^d Department of Chemistry and Biochemistry, Concordia University, Montreal, Quebec H4B 1R6, Canada

Abstract

Gentle annealing and photopolymerization under inert atmospheres strongly enhance the quality of polydiacetylene monolayers. These simple measures not only triple the average degree of polymerization but also alter the preferred photoexcitation mode and cause pronounced nano-alignment during the early stages of polymerization.

Nanoscale

Improving diacetylene photopolymerization in monolayers and ultrathin films†

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Improving diacetylene photopolymerization in monolayers and ultrathin films

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