Table 1 Performance summary of representative optoacoustic transducers.

From: Lead halide perovskite for efficient optoacoustic conversion and application toward high-resolution ultrasound imaging

Optical absorbing materials

Center frequency (MHz)

−6 dB bandwidth (MHz)

Conversion efficiency (×10−2)

Positive/negative acoustic pressure (MPa)

Reference

Cr

—

—

0.042

+1.82

26

Carbon nanofibers

3

7.84

0.166

+13/−1

23

Candle soot particles

10

21

0.441

+4.8/−1

24

Carbon nanotubes

28.5

39.8

—

+1.36/−1.36

18

Carbon nanotubes + Au

11.8

21.1

2.74

+33.6/−10

25

MAPbI3

29.2

40.8

2.97

+15/−10

This work

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