@article{ART003241551},
author={Wang Shihui and Lei Yuyao and He Chao and Miao Junhe and Liu Yang and Xie Quanhua and Hassan Karimi-Maleh and Zhong Nianbing},
title={A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction},
journal={Carbon Letters},
issn={1976-4251},
year={2025},
volume={35},
number={3},
pages={1337-1347},
doi={10.1007/s42823-025-00876-9}
TY - JOUR
AU - Wang Shihui
AU - Lei Yuyao
AU - He Chao
AU - Miao Junhe
AU - Liu Yang
AU - Xie Quanhua
AU - Hassan Karimi-Maleh
AU - Zhong Nianbing
TI - A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction
JO - Carbon Letters
PY - 2025
VL - 35
IS - 3
PB - Korean Carbon Society
SP - 1337
EP - 1347
SN - 1976-4251
AB - In the pursuit of achieving in-situ real-time detection of methanol production rate during the photocatalytic reduction of CO2, we developed a methanol sensor using a copolymer-coated fiber Bragg gratings. The theoretical model of methanol measurement by sensor was established. The effect of methanol-selective sensitive material and its thickness on the performance of the sensor were investigated. Humidity and temperature interference to sensor measurements was compensated. Furthermore, TiO2 photocatalyst was prepared and the photocatalytic reactor was constructed. The methanol production rate in the photocatalytic CO2 reduction process was monitored by the prepared sensor in-situ. The results highlight that the fiber Bragg grating methanol sensor with 600 nm-thick poly(N-isopropylacrylamide)/polymethyl-methacrylate coating showed a high sensitivity, lower limit of detection, fast response and recovery speed, and high selectivity. The methanol generation rate of TiO2 photocatalytic reduction of CO2 measured by gas chromatograph and prepared fiber Bragg grating methanol sensor was 1.42 and 1.53 μmol/g-cat·h, respectively, the error of the two detection methods was 7.86%. This highlights the efficacy of the developed fiber Bragg grating methanol sensor for real-time in-situ detection of the methanol production rate during the photocatalytic reduction of CO2.
KW - CO2 reduction;Methanol production rate;Fiber Bragg grating;Selective sensitive film;In-situ detection
DO - 10.1007/s42823-025-00876-9
ER -
Wang Shihui, Lei Yuyao, He Chao, Miao Junhe, Liu Yang, Xie Quanhua, Hassan Karimi-Maleh and Zhong Nianbing. (2025). A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction. Carbon Letters, 35(3), 1337-1347.
Wang Shihui, Lei Yuyao, He Chao, Miao Junhe, Liu Yang, Xie Quanhua, Hassan Karimi-Maleh and Zhong Nianbing. 2025, "A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction", Carbon Letters, vol.35, no.3 pp.1337-1347. Available from: doi:10.1007/s42823-025-00876-9
Wang Shihui, Lei Yuyao, He Chao, Miao Junhe, Liu Yang, Xie Quanhua, Hassan Karimi-Maleh, Zhong Nianbing "A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction" Carbon Letters 35.3 pp.1337-1347 (2025) : 1337.
Wang Shihui, Lei Yuyao, He Chao, Miao Junhe, Liu Yang, Xie Quanhua, Hassan Karimi-Maleh, Zhong Nianbing. A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction. 2025; 35(3), 1337-1347. Available from: doi:10.1007/s42823-025-00876-9
Wang Shihui, Lei Yuyao, He Chao, Miao Junhe, Liu Yang, Xie Quanhua, Hassan Karimi-Maleh and Zhong Nianbing. "A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction" Carbon Letters 35, no.3 (2025) : 1337-1347.doi: 10.1007/s42823-025-00876-9
Wang Shihui; Lei Yuyao; He Chao; Miao Junhe; Liu Yang; Xie Quanhua; Hassan Karimi-Maleh; Zhong Nianbing. A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction. Carbon Letters, 35(3), 1337-1347. doi: 10.1007/s42823-025-00876-9
Wang Shihui; Lei Yuyao; He Chao; Miao Junhe; Liu Yang; Xie Quanhua; Hassan Karimi-Maleh; Zhong Nianbing. A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction. Carbon Letters. 2025; 35(3) 1337-1347. doi: 10.1007/s42823-025-00876-9
Wang Shihui, Lei Yuyao, He Chao, Miao Junhe, Liu Yang, Xie Quanhua, Hassan Karimi-Maleh, Zhong Nianbing. A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction. 2025; 35(3), 1337-1347. Available from: doi:10.1007/s42823-025-00876-9
Wang Shihui, Lei Yuyao, He Chao, Miao Junhe, Liu Yang, Xie Quanhua, Hassan Karimi-Maleh and Zhong Nianbing. "A fiber-optic sensor for in-situ detection of methanol production rate in photocatalytic CO2 reduction reaction" Carbon Letters 35, no.3 (2025) : 1337-1347.doi: 10.1007/s42823-025-00876-9