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Ganter, Pirmin; Schoop, Leslie M.; Lotsch, Bettina V. (2017): Toward Tunable Photonic Nanosheet Sensors: Strong Influence of the Interlayer Cation on the Sensing Characteristics. In: Advanced Materials, Vol. 29, No. 6, 1604884
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An approach toward intercalant tunable nanosheet-based Fabry-Perot sensors is presented. The intercalant tetra-butylammonium significantly increases the sensitivity of the photonic nose sensor to volatile organic compounds with increasing polarity, enabling polarity-driven color-coded vapor differentiation. Paired with the improved millisecond response times for polar vapors, vapor imaging with spatio-temporal resolution is within reach.