Fig. 7From: High Sensing Performance Toward Acetone Vapor Using TiO2 Flower-Like Nanomaterialsa TiO2 FLNMs sensing curves versus different concentration (10–1000 ppm) of acetone at 330 °C; b the linear response of acetone concentration (10–500 ppm); c the reproducibility testing with five cycles; d the response/recovery behaviors of TiO2 FLNMs; e the long-term stability testBack to article page