Plenty of Room at the Top: A Multi‐Scale Understanding of nm‐Resolution Polymer Patterning on 2D Materials

Autor: Tyson C. Davis, Anni Shi, Anamika Singh, Shelley A. Claridge, Tyler R. Hayes, Jacob T. Brooks, Terry A. Villarreal
Rok vydání: 2021
Předmět:
Zdroj: Angewandte Chemie International Edition. 60:25436-25444
ISSN: 1521-3773
1433-7851
DOI: 10.1002/anie.202110517
Popis: Lamellar phases of alkyldiacetylenes in which the alkyl chains lie parallel to the substrate represent a straightforward means for scalable 1-nm-resolution interfacial patterning. This capability has the potential for substantial impacts in nanoscale electronics, energy conversion, and biomaterials design. Polymerization is required to set the 1-nm functional patterns embedded in the monolayer, making it important to understand structure-function relationships for these on-surface reactions. Polymerization can be observed for certain monomers at the single-polymer scale using scanning probe microscopy. However, substantial restrictions on the systems that can be effectively characterized have limited utility. Here, using a new multi-scale approach, we identify a large, previously unreported difference in polymerization efficiency between the two most widely used commercial diynoic acids. We further identify a core design principle for maximizing polymerization efficiency in these on-surface reactions, generating a new monomer that also exhibits enhanced polymerization efficiency.
Databáze: OpenAIRE