Extended Data Fig. 8: Mechano-optical parameter distributions for single (15% Tm3+) piezochromic ANPs. | Nature

Extended Data Fig. 8: Mechano-optical parameter distributions for single (15% Tm3+) piezochromic ANPs.

From: Infrared nanosensors of piconewton to micronewton forces

Extended Data Fig. 8

Initial (F = 0) 800 nm / 700 nm -emission ratio (a), noise-equivalent sensitivity (NES) (b), and force range (c) population distributions, along with their histogram Gaussian fits, for 21 compression cycles measured for 8 piezochromic ANPs (excitation intensity: 1,131 ± 46 kW cm−2). Each compression cycle consists of 10–1000 emission versus force data points, measured at different integration times (3–50 s). The normal distribution fits yield means and S.E.M.s of: I800 nm(F0) / I700 nm(F0) = 8.0 ± 0.7 (a), NES = 9.2 ± 2.0 nN Hz−1/2 (b), and Frange = 0.4 ± 0.04 µN (c).

Back to article page