Abstract

The control of growth condition on tetrahydropyran (THP)–2-carbamate propyl triethoxysilane (TCPES) using thermal heating and octyl isocyanate (OIC) was investigated. can be grown on surfaces terminated with –OH and groups from an aqueous solution of about pH 3. However, did not deposit on the terminated surfaces due to the low surface energy of these surfaces. The –THP functional group can be removed, and the surface functional group can be converted to by heating the material over . OIC can then be immobilized on the surface after heating, changing the surface functional group from to . As can be deposited from a solution on a terminated surface but not a terminated surface, TCPES can be used to switch the surface properties by thermal activation and subsequent reaction with OIC. This approach has the potential to be used for site-selective deposition of on surfaces.

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