Electrophoretic deposition of Au NPs on CNT networks for sensitive NO2 detection
E. Dilonardo,M. Penza,M. Alvisi,C. Di Franco,D. Suriano,R. Rossi,F. Palmisano,L. Torsi,and N. Cioffi
E. Dilonardo
Department of Chemistry, Università degli Studi di Bari Aldo Moro, Bari, Italy
M. Penza
ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Technical Unit for Materials Technologies – Brindisi Research Center, Brindisi, Italy
M. Alvisi
ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Technical Unit for Materials Technologies – Brindisi Research Center, Brindisi, Italy
ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Technical Unit for Materials Technologies – Brindisi Research Center, Brindisi, Italy
R. Rossi
ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Technical Unit for Materials Technologies – Brindisi Research Center, Brindisi, Italy
F. Palmisano
Department of Chemistry, Università degli Studi di Bari Aldo Moro, Bari, Italy
L. Torsi
Department of Chemistry, Università degli Studi di Bari Aldo Moro, Bari, Italy
N. Cioffi
Department of Chemistry, Università degli Studi di Bari Aldo Moro, Bari, Italy
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Electrochemically synthesized colloidal Au NPs with controlled dimension and composition were successfully deposited electrophoretically on CNT networked films. Au NP/CNT films were tested as active layers in resistive NO2 sensors, exhibiting a p-type response and a sensitivity depending on Au loading. The impact of the Au loading on gas sensing performance was investigated as a function of the working temperature, gas concentration and interfering gases.
Electrochemically synthesized colloidal Au NPs with controlled dimension and composition were...
