Abstract
The method for the gas-phase detection of primary aliphatic amines using silica nanoparticles modified with pyrylocyanine chromophores is proposed. The luminescence quantum yields of three new pyrylocyanine dyes are measured. Selective detection of amine vapors in by using pyrylocyanine dyes covered on different substrates is studied. It is shown that n-butylamine vapors can be detected at concentrations ten times smaller than the maximum permissible concentration for a human.
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