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Catalyst-free site-specific surface modifications of nanocrystalline diamond films via microchannel cantilever spotting

Catalyst-free site-specific surface modifications of nanocrystalline diamond films via microchannel cantilever spotting
Author:

M. Davydova, A. de los Santos Pereira, M. Bruns, A. Kromka, E. Ukraintsev, M. Hirtz, C. Rodriguez-Emmenegger

links:
Source:

RSC Adv. 6 (2016) 57820-57827

Date: 2016

The properties of nanocrystalline diamond (NCD) films offer great potential for the creation of various sensing and photonic devices. A great challenge in order to materialize such applications lies in achieving the micrometrically resolved functionalization of NCD surfaces. In the present work, we introduce a facile approach to meet this challenge employing the novel strain-promoted alkyne–azide cycloaddition (SPAAC) “click” chemistry reaction, a catalyst-free ligation protocol compatible with biomolecules. The ability to achieve well-resolved multicomponent patterns with high reproducibility is demonstrated, paving the way for the fabrication of novel devices based on micropatterned NCD films.