MXene-based photoacoustic transducer with a high-energy conversion efficiency

The applications of two-dimensional transition metal carbide/nitride (MXene) in the fields of optoelectronics, sustainable energy, and sensors, among others, have been broadly investigated due to their special electrical, optical, and structural properties. In this Letter, MXene (Ti 3 C 2 T x ) has...

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Bibliographic Details
Published in:Optics letters 2023-11, Vol.48 (21), p.5563-5566
Main Authors: Wu, Heliang, Guan, Zizhong, Ke, Yuan, Yu, Xiong, Zhang, Zheng, Li, Mingyu, Lu, Haifei
Format: Article
Language:English
Subjects:
Electromagnetic absorption
Energy conversion efficiency
Metal carbides
MXenes
Optical properties
Optoelectronics
Photothermal conversion
Polydimethylsiloxane
Sandwich structures
Transducers
Transition metals
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Summary:The applications of two-dimensional transition metal carbide/nitride (MXene) in the fields of optoelectronics, sustainable energy, and sensors, among others, have been broadly investigated due to their special electrical, optical, and structural properties. In this Letter, MXene (Ti 3 C 2 T x ) has been firstly, to the best of our knowledge, adopted for the application of a photoacoustic transducer by taking advantage of the photothermal property. The efficiency of the photoacoustic transducer based on a sandwich structure of glass/MXene/polydimethylsiloxane (PDMS) has been experimentally demonstrated to be 1.25 × 10 −2 by converting laser pulses into ultrasonic waves, generating a high acoustic pressure of 15.7 MPa without additional acoustic focusing. That can be explained by the great light absorption and photothermal conversion of the Ti 3 C 2 T x layer.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.505000