Silk patterns made by direct femtosecond laser writing

Ksenia Maximova; Xuewen Wang; Armandas Balčytis; Linpeng Fan; Jingliang Li; Saulius Juodkazis

doi:10.1063/1.4962294

Silk patterns made by direct femtosecond laser writing

Ksenia Maximova
, Xuewen Wang
, Armandas Balčytis
, Linpeng Fan
, Jingliang Li
, Saulius Juodkazis

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

Silk patterns in a film of amorphous water-soluble fibroin are created by tailored exposure to femtosecond-laser pulses (1030 nm/230 fs) without the use of photoinitiators. This shows that amorphous silk can be used as a negative tone photoresist. It is also shown that water insoluble crystalline silk films can be precisely ablated from a glass substrate achieving the patterns of crystalline silk gratings on a glass substrate. Bio-compatible/degradable silk can be laser structured to achieve conformational transformations as demonstrated by infrared spectroscopy.

Original language	English
Article number	054101
Journal	Biomicrofluidics
Volume	10
Issue number	5
DOIs	https://doi.org/10.1063/1.4962294
Publication status	Published - 1 Sept 2016
Externally published	Yes

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10.1063/1.4962294

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AU - Maximova, Ksenia

AU - Wang, Xuewen

AU - Balčytis, Armandas

AU - Fan, Linpeng

AU - Li, Jingliang

AU - Juodkazis, Saulius

PY - 2016/9/1

Y1 - 2016/9/1

N2 - Silk patterns in a film of amorphous water-soluble fibroin are created by tailored exposure to femtosecond-laser pulses (1030 nm/230 fs) without the use of photoinitiators. This shows that amorphous silk can be used as a negative tone photoresist. It is also shown that water insoluble crystalline silk films can be precisely ablated from a glass substrate achieving the patterns of crystalline silk gratings on a glass substrate. Bio-compatible/degradable silk can be laser structured to achieve conformational transformations as demonstrated by infrared spectroscopy.

AB - Silk patterns in a film of amorphous water-soluble fibroin are created by tailored exposure to femtosecond-laser pulses (1030 nm/230 fs) without the use of photoinitiators. This shows that amorphous silk can be used as a negative tone photoresist. It is also shown that water insoluble crystalline silk films can be precisely ablated from a glass substrate achieving the patterns of crystalline silk gratings on a glass substrate. Bio-compatible/degradable silk can be laser structured to achieve conformational transformations as demonstrated by infrared spectroscopy.

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U2 - 10.1063/1.4962294

DO - 10.1063/1.4962294

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Silk patterns made by direct femtosecond laser writing

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