인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
Abstract Nitrogen dioxide (NO 2 ) is a dangerous environmental pollutant that poses a risk to human health and ecosystems, leading to respiratory disease and environmental degradation. Current detection methods often suffer from high power consumption, environmental sensitivity, and limited stability. In this study, an electrochemical gas sensor synthesized by calcination and hydrothermal method is presented using cerium tungstate (Ce 2 (WO 4 ) 3 ) as a support material doped with 0.5 wt.% platinum (Pt). The sensor has a detection limit as low as 0.5 ppm, a response time of 27.1 s, and a recovery time of 7.9 s at room temperature. It also has better selectivity for NO 2 than other gases and good humidity resistance. The improved sensing performance is attributed to the increase in oxygen vacancy concentration and the favorable interaction between Pt and Ce 2 (WO 4 ) 3 , which promotes active site formation and catalytic efficiency. These results highlight the potential of Pt/Ce 2 (WO 4 ) 3 as an effective and energy‐efficient sensor for NO 2 detection, providing a new approach for real‐time monitoring with fast recovery and high selectivity.
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.