In addition, with the decrease of acetone concentration, the response values of Co 3 O 4 /Fe 2 O 3 sensors showed a decreasing trend.
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Bimetallic organic framework-derived porous Co<sub>3</sub>O<sub>4</sub>/Fe<sub>2</sub>O<sub>3</sub> nanosheets for acetone sensing.
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The sentences
Initially, as the temperature rises, the response value demonstrates an increasing trend, followed by a decrease.