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In-situ tracking of organic reaction dynamics:an infrared-temperature dual sensing approach using a single chalcogenide fiber 认领 引用
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作者 XINXIANG HUANG SHILIANG KANG +4 位作者 YANQING FU LINLING TAN CHENGWEI GAO SHIXUN DAI CHANGGUI LIN 《Photonics Research》 SCIE EI CAS CSCD 2026年第6期2418-2427,共10页
Precise control over organic reaction dynamic requires in-situ insight into temperature and concentration variations.However,conventional detection strategies,often relying on off-line or decoupled methods,suffer from... Precise control over organic reaction dynamic requires in-situ insight into temperature and concentration variations.However,conventional detection strategies,often relying on off-line or decoupled methods,suffer from delayed responses and poor temporal synchronization.Herein,we propose a bifunctional single-fiber sensor based on Ge5As25Se30Te40 chalcogenide glass,which seamlessly integrates fiber evanescent wave spectroscopy for chemical fingerprinting identification with a thermoresistive effect for thermal sensing.It exhibits exceptional performance with a rapid temperature response(~2.6 s)and a high temperature sensitivity(jTCRj~4.07%K-1).Validated through the in-situ monitoring of ethyl butyrate synthesis,the single-fiber sensor effectively tracked reaction evolution and thermal distinctness,providing reliable guidance for process optimization and control.With its label-free detection,structural simplicity,and high sensitivity,this proposed strategy represents a robust process analytical technology tool for monitoring complex organic reactions. 展开更多
关键词 chemical fingerprinting identification situ tracking fiber evanescent wave spectroscopy thermoresistive effect infrared temperature dual sensing detection strategiesoften precise control organic reaction dynamic organic reaction dynamics
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