TY - JOUR
T1 - Copper phthalocyanine and pentacene organic thin-film transistor-structured ethanol gas sensors
AU - Lee, Ching Ting
AU - Chou, Ping
N1 - Funding Information:
This work was supported by the Ministry of Science and Technology, Republic of China, under Grant MOST 105-2221-E-006-171-MY3.
Publisher Copyright:
© 2017 IEEE.
PY - 2018/6
Y1 - 2018/6
N2 - In this article, copper phthalocyanine (CuPc) and pentacene double sensing membranes were used in organic thin-film transistor-structured ethanol gas sensors. To study the thickness effect of CuPc layer, various-thick CuPc layers were, respectively, deposited on 50-nm-thick pentacene layer. In addition to the passivation function of the CuPc layer, the performances of the resulting ethanol gas sensors were improved with an increase of the thickness of the CuPc layer until 5nm and was then degraded with a further increase of its thickness. For the ethanol gas sensors with 50-nm-thick pentacene layer and 5-nm-thick CuPc layer operated at room temperature under 100ppm ethanol gas concentration, the associated sensitivity was 70.
AB - In this article, copper phthalocyanine (CuPc) and pentacene double sensing membranes were used in organic thin-film transistor-structured ethanol gas sensors. To study the thickness effect of CuPc layer, various-thick CuPc layers were, respectively, deposited on 50-nm-thick pentacene layer. In addition to the passivation function of the CuPc layer, the performances of the resulting ethanol gas sensors were improved with an increase of the thickness of the CuPc layer until 5nm and was then degraded with a further increase of its thickness. For the ethanol gas sensors with 50-nm-thick pentacene layer and 5-nm-thick CuPc layer operated at room temperature under 100ppm ethanol gas concentration, the associated sensitivity was 70.
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U2 - 10.1109/LSENS.2018.2817489
DO - 10.1109/LSENS.2018.2817489
M3 - Article
AN - SCOPUS:85125722037
SN - 2475-1472
VL - 2
JO - IEEE Sensors Letters
JF - IEEE Sensors Letters
IS - 2
M1 - 2000303
ER -