Gas Sensing with Pd and Rh-Doped h-BN Monolayers
Author Information
Author(s): Jiang Jiaming, Yang Dingqian, Zeng Wen, Wang Zhongchang, Zhou Qu
Primary Institution: Southwest University, Chongqing, China
Hypothesis
Doping h-BN monolayers with Pd and Rh will enhance their gas sensing capabilities for detecting dissolved gases in transformer oil.
Conclusion
Pd-BN and Rh-BN monolayers show strong chemical adsorption for H2 and C2H4, making them effective for gas detection in transformer oil.
Supporting Evidence
- Pd-BN and Rh-BN exhibit enhanced sensitivity to H2 and C2H4 gases compared to pristine h-BN.
- Both Pd-BN and Rh-BN demonstrate strong chemisorption for H2 and C2H4.
- The desorption time of H2 from Pd-BN at 398 K is 164 s, indicating excellent desorption performance.
- Adsorption energies for C2H4 on Pd-BN and Rh-BN are −1.697 eV and −2.188 eV, respectively.
Takeaway
Scientists created special materials by adding metals to a type of boron nitride to help detect gases in transformer oil, which is important for keeping power systems safe.
Methodology
The study used density functional theory (DFT) to analyze the adsorption properties of Pd and Rh-doped h-BN monolayers for various gases.
Limitations
The study primarily focuses on theoretical calculations and may not fully account for real-world conditions.
Digital Object Identifier (DOI)
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