Patterning of polymer brushes made easy using titanium dioxide: Direct and remote photocatalytic lithography

G. Panzarasa, G. Soliveri, K. Sparnacci, S. Ardizzone

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Photocatalytic lithography is proved for the realization of micropatterned polymer brushes. Initiator-functionalized titanium dioxide or silicon surfaces are respectively exposed directly to near-UV light through a photomask (direct approach) or through a transparent photoactive TiO2 film (remote approach). Initiator patterns are then amplified as polymer brushes with SI-ATRP. Features down to 10 μm could be obtained using simple equipment. The process is intrinsically parallel, has high throughput and scalable to wafer size, making it powerful for microfabrication purposes.

Lingua originaleInglese
pagine (da-a)7313-7316
Numero di pagine4
RivistaChemical Communications
Volume51
Numero di pubblicazione34
DOI
Stato di pubblicazionePubblicato - 30 apr 2015

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