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[2+2] Cyclo-Addition Reactions for Efficient Polymerization on a HOPG Surface at Ambient Conditions

Abstract : Polymers obtained by on-surface chemistry have emerged as a class of promising materials. Here, we propose a new strategy to obtain self-assembled 1D polymers by using photochemical [2+2] cyclo-addition or by using a mild thermal annealing. All nanostructures are fully characterized by using scanning tunneling microscopy at ambient conditions on a graphite surface. We demonstrated that nature of the stimulus strongly alters the overall quality of the resulting polymers in terms of length and number of defects. This new way is an efficient method to elaborate on-surface self-assembled 1D polymers.
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Submitted on : Monday, May 9, 2022 - 3:53:11 PM
Last modification on : Wednesday, May 11, 2022 - 3:16:46 AM

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Lihao Guan, Frank Palmino, Jean-Christophe Lacroix, Frédéric Chérioux, Xiaonan Sun. [2+2] Cyclo-Addition Reactions for Efficient Polymerization on a HOPG Surface at Ambient Conditions. Nanomaterials, MDPI, 2022, 12 (8), pp.1334. ⟨10.3390/nano12081334⟩. ⟨hal-03662828⟩

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