Cooperative Self-assembly of Photochromic Diarylethenes at Liquid/Solid Interface and Highly Sensitive Photoinduced Transformation of the Ordering
In this chapter, self-assembly of photochromic diarylethene at liquid/solid interface and photoinduced transformation of the ordering are described. Using scanning tunneling microscopy, the process of assembly can be studied at the molecular resolution. By the measurement of concentration dependence of surface coverage and the introduction of cooperative adsorption model, the degree of cooperativity in the self-assembly process can be evaluated and the guiding principle for highly sensitive photoresponsive system can be obtained. It is demonstrated that the precise control of the self-assembly process on 2D surface becomes possible by the careful design of the molecular structure.
KeywordsPhotochromism Diarylethene Scanning tunneling microscopy Self-assembly Cooperativity
This research was supported by the Funding Program for Next Generation World-Leading Researchers (NEXT program, no. GR062) and a Grant-in-Aid for Scientific Research on Innovative Areas “Photosynergetics” JSPS KAKENHI Grant Number JP26107008 from the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan.
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