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Updated: Feb 11, 2026

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
Surface Separation and in Situ Structural Regulation of Photosensitive Oligomer in a Flexible Template
Xiaoyang Zhu1, Yanfang Geng1, Hongjun Xiao1
1CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology , No. 11 Beiyitiao , Zhongguancun, Beijing 100190 , P. R. China .
Abstract:
Surface-selective adsorption and separation are very important for the application of surface functional materials. In this study, a photosensitive diazo-macrocycle has been synthesized by the solvent method with a very low yield, which can adsorb onto the substrate surface modified with a template molecule. By using this flexible template on the graphite surface, a simple separation strategy for the macrocyclic molecule with specific shape and size from reaction mixtures was developed. Additionally, one of the two azo units in this trapped photosensitive macrocycle could convert from trans to cis conformation under UV irradiation due to the steric effect. Our results provide a new way to construct functional nanodevices using a surface flexible template as the separation and regulation medium.
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