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Fabrication of a near-infrared sensor using a polyaniline conducting polymer thin film

Authors:	Doyeon Bang Young Wook Chang Joseph ParkJaemin Lee Kyung-Hwa Yoo Yong-Min Huh Seungjoo Haam

Affiliation:	^a Department of Chemical Engineering, Yonsei University, Seoul 120‐749, Republic of Korea ^b Graduate Program for Nanomedical Science, Yonsei University, Seoul 120‐749, Republic of Korea ^c Department of Physics, Yonsei University, Seoul 120‐749, Republic of Korea ^d Department of Radiology, Yonsei University, Seoul 120‐749, Republic of Korea

Abstract:	Near infrared (NIR) photo-responsive polyaniline-based conducting thin films are developed for sensor application. Upon NIR illumination (2.43 W/cm²), the electrical conductance of the polyaniline thin films was enhanced 5.9% and the response time was 20 s. NIR sensing performance of polyaniline conducting polymer thin film is comparable with that of bolometric carbon nanotube (CNT) network devices with the merits of polymers over CNTs such as processability, productivity and economy.

Keywords:	Polyaniline Near-infrared Sensor Detector Bolometric device
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