Here,
for the first time, we investigated the effects of matrixes
with different nature on the stimuli-responsive mechanoluminescence
(ML) of incorporated nanoparticles. It turned out that the contraction
forces initiated by polymerization process can have compressive effects
that differ by orders. This effect was achieved owing to the introduction
of ML crystals in an alumina sol–gel system, which has large
surface of coagulation contact. As one particle of boehmite results
in a tension of 10
–17
–10
–16
N per one particle of matrix, compared to 10
–19
N of PDMS matrix, the threshold of mechanoluminescence was
reached at 0.04 Pa, whereas the most active materials to date did
not exceed this value. Thus, this material can be a perspective for
the production of impact detectors, photonic displays of the next
generation, and other advanced devices.
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