Chloroaluminum phthalocyanine nanoparticles were successfully prepared by laser ablation in liquid, and the photoacoustic signal of the nanoparticles was measured. Chloroaluminum phthalocyanine powders were irradiated with nanosecond-pulsed laser (Nd:YAG, SHG) to prepare nanoparticles. The particle size of prepared nanoparticles decreased with the increase in laser fluence. Absorbance of prepared nanoparticles was increased with the increase in laser fluence. The ratio between two peaks would be changed because of crystal structure change by photothermal laser heating. The production yield from raw material powder to nanoparticle was 92.8% at a laser fluence of 300 mJ/cm2. The nanoparticle-dispersed solution was stable for 80 days. The photoacoustic signal intensity of prepared nanoparticles increased with the increase in laser fluence.
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May 2020
Research Article|
May 19 2020
Preparation of chloroaluminum phthalocyanine nanoparticles by laser ablation in liquid and their photoacoustic imaging
Teruki Akimori;
Teruki Akimori
1
School of Materials and Chemical Technology, Tokyo Institute of Technology
, Yokohama 226-8502, Japan
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Kentaro Nakamura;
Kentaro Nakamura
2
Institute of Innovative Research, Tokyo Institute of Technology
, Yokohama 226-8503, Japan
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Tsuyoshi Asahi;
Tsuyoshi Asahi
3
Graduate School of Science and Engineering, Ehime University
, Matsuyama 790-8577, Japan
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Hiroyuki Wada
Hiroyuki Wada
1
School of Materials and Chemical Technology, Tokyo Institute of Technology
, Yokohama 226-8502, Japan
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®
Note: This paper is part of the Special Collection: Proceedings of the International Congress of Applications of Lasers & Electro-Optics (ICALEO 2019).
J. Laser Appl. 32, 022070 (2020)
Article history
Received:
April 01 2020
Accepted:
April 01 2020
Citation
Teruki Akimori, Kentaro Nakamura, Tsuyoshi Asahi, Hiroyuki Wada; Preparation of chloroaluminum phthalocyanine nanoparticles by laser ablation in liquid and their photoacoustic imaging. J. Laser Appl. 1 May 2020; 32 (2): 022070. https://doi.org/10.2351/7.0000101
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