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We report here a novel, sensitive detection method for gaseous amines (primary, secondary and tertiary) using thin films of CdSe-based core-shell type quantum dots (CdSe/ZnS and CdSeTe/ZnS) deposited on a glass substrate. The photoluminescence intensity of the quantum dot thin films rapidly decreased on exposure to amine gas in air, and it reversibly recovered after the atmosphere was changed back...
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