Improving spatial resolution of two-photon microfabrication by using photoinitiator with high initiating efficiency

Jin Feng Xing; Xian Zi Dong; Wei Qiang Chen; Xuan Ming Duan; Nobuyuki Takeyasu; Takuo Tanaka; Satoshi Kawata

doi:10.1063/1.2717532

Improving spatial resolution of two-photon microfabrication by using photoinitiator with high initiating efficiency

Jin Feng Xing, Xian Zi Dong, Wei Qiang Chen, Xuan Ming Duan, Nobuyuki Takeyasu, Takuo Tanaka, Satoshi Kawata

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

208 Citations (Scopus)

Abstract

The lateral spatial resolution (LSR) in two-photon induced polymerization was improved to 80 nm by using an anthracene derivative (9,10-bis-pentyloxy-2,7- bis[2-(4-dimethylamino-phenyl)-vinyl]anthracene (BPDPA)) as a highly sensitive and efficient photoinitiator. Photocurable resin containing 0.18 mol % BPDPA exhibited a low polymerization threshold of 0.64 mW at 800 nm. Theoretical calculations showed that the LSR can be increased by reducing the laser power, indicating that the LSR could be improved using more sensitive initiators in the future.

Original language	English
Article number	131106
Journal	Applied Physics Letters
Volume	90
Issue number	13
DOIs	https://doi.org/10.1063/1.2717532
Publication status	Published - 2007
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2717532

Cite this

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title = "Improving spatial resolution of two-photon microfabrication by using photoinitiator with high initiating efficiency",

abstract = "The lateral spatial resolution (LSR) in two-photon induced polymerization was improved to 80 nm by using an anthracene derivative (9,10-bis-pentyloxy-2,7- bis[2-(4-dimethylamino-phenyl)-vinyl]anthracene (BPDPA)) as a highly sensitive and efficient photoinitiator. Photocurable resin containing 0.18 mol % BPDPA exhibited a low polymerization threshold of 0.64 mW at 800 nm. Theoretical calculations showed that the LSR can be increased by reducing the laser power, indicating that the LSR could be improved using more sensitive initiators in the future.",

author = "Xing, {Jin Feng} and Dong, {Xian Zi} and Chen, {Wei Qiang} and Duan, {Xuan Ming} and Nobuyuki Takeyasu and Takuo Tanaka and Satoshi Kawata",

note = "Funding Information: This research was financially supported by the One Hundred Overseas Talents Program of the Chinese Academy of Sciences (CAS) and the CREST Project of the Japan Science and Technology Agency (JST).",

year = "2007",

doi = "10.1063/1.2717532",

language = "English",

volume = "90",

journal = "Applied Physics Letters",

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T1 - Improving spatial resolution of two-photon microfabrication by using photoinitiator with high initiating efficiency

AU - Xing, Jin Feng

AU - Dong, Xian Zi

AU - Chen, Wei Qiang

AU - Duan, Xuan Ming

AU - Takeyasu, Nobuyuki

AU - Tanaka, Takuo

AU - Kawata, Satoshi

N1 - Funding Information: This research was financially supported by the One Hundred Overseas Talents Program of the Chinese Academy of Sciences (CAS) and the CREST Project of the Japan Science and Technology Agency (JST).

PY - 2007

Y1 - 2007

N2 - The lateral spatial resolution (LSR) in two-photon induced polymerization was improved to 80 nm by using an anthracene derivative (9,10-bis-pentyloxy-2,7- bis[2-(4-dimethylamino-phenyl)-vinyl]anthracene (BPDPA)) as a highly sensitive and efficient photoinitiator. Photocurable resin containing 0.18 mol % BPDPA exhibited a low polymerization threshold of 0.64 mW at 800 nm. Theoretical calculations showed that the LSR can be increased by reducing the laser power, indicating that the LSR could be improved using more sensitive initiators in the future.

AB - The lateral spatial resolution (LSR) in two-photon induced polymerization was improved to 80 nm by using an anthracene derivative (9,10-bis-pentyloxy-2,7- bis[2-(4-dimethylamino-phenyl)-vinyl]anthracene (BPDPA)) as a highly sensitive and efficient photoinitiator. Photocurable resin containing 0.18 mol % BPDPA exhibited a low polymerization threshold of 0.64 mW at 800 nm. Theoretical calculations showed that the LSR can be increased by reducing the laser power, indicating that the LSR could be improved using more sensitive initiators in the future.

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Improving spatial resolution of two-photon microfabrication by using photoinitiator with high initiating efficiency

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