Zhenkun Lu

State Grid Corporation of China (China)

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Chunyong Wang

Nanjing University of Science and Technology

Junhu Zhang

Jilin University

Nan Ji

Shanghai Institute of Applied Physics

Xiang Pan

Suzhou University of Science and Technology

Bing Zhao

Jilin University

Cheng Yin

State Grid Corporation of China (China)

Q.D. Qin

Beijing Municipal Ecological and Environmental Monitoring Center

Dong-Ting Yao

University of Science and Technology of China

Youbin Xia

State Grid Corporation of China (China)

Wenhong Ruan

Ji Hua Laboratory

Cooperative Institutions

Jilin University

State Grid Corporation of China (China)

Chinese Academy of Sciences

Nanjing University of Science and Technology

State Key Laboratory of Supramolecular Structure and Materials

Hezhou University

Peking University Third Hospital

Jiangsu University

Peking University

Liaoning University of Technology

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Facile Fabrication of Large Area Polystyrene Colloidal Crystal Monolayer via Surfactant-free Langmuir-Blodgett Technique

Chemical Research in Chinese Universities (2007)

Wenhong Ruan Zhenkun Lu Nan Ji Chunyong Wang Bing Zhao

Polystyrene

Colloidal crystal

Nanosphere lithography

10.1016/s1005-9040(07)60155-x

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Citations (34)

Research on the application of WO3 gas sensor based on noble metals modification in cable fire detection

Functional Materials Letters (2024)

Dong-Ting Yao Q.D. Qin Zhenkun Lu Xiang Pan Youbin Xia

In the monitoring of cable fire, it is of great significance to be able to conduct early fire warning, which requires that sensors have high sensitivity to the cable vapors at low temperatures. In this study, WO 3 thick films modified with Au, Pd, and Pt single or bimetallic nanoparticles were fabricated via magnetron sputtering. Gas sensors utilizing these materials exhibited significant response to the low-temperature vapor emitted by YJV22 and YJY23 cables. Among them, Pd/WO 3 -20 demonstrated a response value of 20 to the vapor of 81[Formula: see text]C YJV22 cables, marking a remarkable 6.3-fold increase compared to pure WO 3 , and the response time was 13 s. Similarly, Pt/WO 3 -10 exhibited a response value of 11.11 to the vapor of 104[Formula: see text]C YJY23 cables, representing a 6.9-fold enhancement over pure WO 3 with a response time of 12 s. The heating temperature of cables remains below their critical threshold, indicating that it is in the early stages of cable fires, the findings hold significant implications for early warning systems designed to detect cable fires promptly.

Bimetallic strip

Response time

Cavity magnetron

10.1142/s1793604724500139

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