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Article

Laser-Induced Transfer of Noble Metal Nanodots with Femtosecond Laser-Interference Processing

1
Institute of Laser Engineering, Osaka University, 2-6 Yamadaoka, Suita, Osaka 565-0871, Japan
2
Institute for Laser Technology, 1-8-4 Utsubo-honmachi, Nishi-ku, Osaka 550-0004, Japan
3
National Institute of Advanced Industrial Science and Technology, Central 2, Umezono 1-1-1, Tsukuba, Ibaraki 305-8568, Japan
4
Faculty of Science, Kanagawa University, 2946, Tsuchiya, Hiratsuka, Kanagawa 259-1293, Japan
5
Graduate School of Science, Osaka City University, 3-3-138 Sugimoto Sumiyoshi-ku, Osaka 558-8585, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Jörn Bonse
Nanomaterials 2021, 11(2), 305; https://doi.org/10.3390/nano11020305
Received: 31 December 2020 / Revised: 21 January 2021 / Accepted: 21 January 2021 / Published: 25 January 2021
(This article belongs to the Special Issue Laser-Generated Periodic Nanostructures)
Noble metal nanodots have been applied to plasmonic devices, catalysts, and highly sensitive detection in bioinstruments. We have been studying the fabrications of them through a laser-induced dot transfer (LIDT) technique, a type of laser-induced forward transfer (LIFT), in which nanodots several hundred nm in diameter are produced via a solid–liquid–solid (SLS) mechanism. In the previous study, an interference laser processing technique was applied to LIDT, and aligned Au nanodots were successfully deposited onto an acceptor substrate in a single shot of femtosecond laser irradiation. In the present experiment, Pt thin film was applied to this technique, and the deposited nanodots were measured by scanning electron microscopy (SEM) and compared with the Au nanodots. A typical nanodot had a roundness fr=0.98 and circularity fcirc=0.90. Compared to the previous experiment using Au thin film, the size distribution was more diffuse, and it was difficult to see the periodic alignment of the nanodots in the parameter range of this experiment. This method is promising as a method for producing large quantities of Pt particles with diameters of several hundred nm. View Full-Text
Keywords: interference laser processing; laser-induced dot transfer; laser-induced forward transfer; nanodot; nanoparticle; array; femtosecond laser; solid–liquid–solid mechanism; Pt interference laser processing; laser-induced dot transfer; laser-induced forward transfer; nanodot; nanoparticle; array; femtosecond laser; solid–liquid–solid mechanism; Pt
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MDPI and ACS Style

Nakata, Y.; Tsubakimoto, K.; Miyanaga, N.; Narazaki, A.; Shoji, T.; Tsuboi, Y. Laser-Induced Transfer of Noble Metal Nanodots with Femtosecond Laser-Interference Processing. Nanomaterials 2021, 11, 305. https://doi.org/10.3390/nano11020305

AMA Style

Nakata Y, Tsubakimoto K, Miyanaga N, Narazaki A, Shoji T, Tsuboi Y. Laser-Induced Transfer of Noble Metal Nanodots with Femtosecond Laser-Interference Processing. Nanomaterials. 2021; 11(2):305. https://doi.org/10.3390/nano11020305

Chicago/Turabian Style

Nakata, Yoshiki, Koji Tsubakimoto, Noriaki Miyanaga, Aiko Narazaki, Tatsuya Shoji, and Yasuyuki Tsuboi. 2021. "Laser-Induced Transfer of Noble Metal Nanodots with Femtosecond Laser-Interference Processing" Nanomaterials 11, no. 2: 305. https://doi.org/10.3390/nano11020305

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