A low-temperature multilayered thin film potentiometric oxygen sensor (RE)Pt|Cu,Cu2O|YSZ|O2,Pt(WE) on (100) SrTiO3 substrate

被引：1

作者：

Ravindranath, Nair Afijith ^{[1
,3
]}

Prabhu, E. ^{[1
]}

Pandian, Ramanathaswamy ^{[2
,3
]}

Natarajan, Gomathi ^{[2
]}

Bahuguna, Ashok ^{[2
]}

Abhaya, S. ^{[2
,3
]}

Gnanasekar, K. I. ^{[1
,3
]}

机构：

[1] Indira Gandhi Ctr Atom Res, Mat Chem Div, Mat Chem & Met Fuel Cycle Grp, Kalpakkam 603102, Tamilnadu, India

[2] Indira Gandhi Ctr Atom Res, Mat Sci Grp, Kalpakkam 603102, Tamilnadu, India

[3] Homi Bhabha Natl Inst, Training Sch Complex, Mumbai 400094, India

来源：

SURFACES AND INTERFACES | 2024年 / 51卷

关键词：

YSZ-based thin film oxygen sensors; Pulsed laser deposition; Secondary ion mass spectrometer; Impedance spectroscopy; Positron annihilation spectroscopy; YTTRIA-STABILIZED ZIRCONIA; PULSED-LASER DEPOSITION; ELECTRICAL-PROPERTIES; ION CONDUCTORS; GAS SENSORS; ELECTRODE; POLARIZATION; CONDUCTIVITY; BOUNDARIES; CU2O;

D O I：

10.1016/j.surfin.2024.104613

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Performance of a multilayered thin film-based electrochemical sensor (RE)|Pt|Cu,Cu2O|YSZ|O2,Pt(WE) grown on (100) SrTiO3 (10 mm x 10 mm x 0.5 mm) using pulsed laser deposition is demonstrated for sensing oxygen from 10 to 1000 ppm in an inert ambient. The overall thickness of the device is 1 mu m, which is demonstrated to operate at 673 K with a sensitivity of 20 mV/decade and offers the scope for reduction in power consumption. Impedance studies show that the electrode polarization across the working YSZ/Pt interface plays a key role in dictating the working temperature of the sensor.

引用

页数：15

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