Ultrasensitive Room Temperature Formaldehyde Sensors Based on F Doped ZnO Nanostructures Activated by UV Light DOI
Siyuan Guo, Xiaodong Chen, Hao Chen

et al.

Langmuir, Journal Year: 2024, Volume and Issue: 40(46), P. 24592 - 24604

Published: Nov. 7, 2024

It is urgent to develop an ultrasensitive formaldehyde (HCHO) sensor that can operate at room temperature and has a low detection limit. Metal oxide semiconductors are excellent gas sensitive materials. Therefore, in this paper, we present the synthesis of fluorine (F) doped zinc (ZnO) porous nanomaterials through straightforward one-pot method with optimization F doping levels achieve concentrations HCHO under UV light temperature. Under 375 nm light, exhibits response value 386% 10 ppm HCHO, which 2.6 times higher than pure ZnO, its limit as 75 ppb. selectivity, stability, moisture resistance, meet requirements daily life. Analysis reveals ZnO not only increases material's specific surface area but also introduces active sites. Furthermore, it alters state on from physical adsorption chemical adsorption. The above reasons together enhance material, thereby improving sensitivity performance. Overall, work demonstrates F-doped potential material for sensors provides insights into interpretation effect properties

Language: Английский

Facile one-step hydrothermal synthesis of SnO2/SnO p-n heterostructure gas sensor enables efficient NO2 detection DOI

Shiyu Jia,

Ziyang Liu, Wenyan Liu

et al.

Sensors and Actuators A Physical, Journal Year: 2024, Volume and Issue: unknown, P. 116157 - 116157

Published: Dec. 1, 2024

Language: Английский

Citations

3
Triboelectric Nanogenerator Based on CPDs-WO3/MXene Bilayer Film for Triethylamine Sensing and Fish Meat Spoilage Detection DOI
Xue Li,

Xiaoran Gong,

Haohao Zhang

et al.

Langmuir, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 24, 2024

With the increasing demand for food safety monitoring, development of efficient, convenient, and green gas sensors has become a current research hotspot. Triboelectric nanogenerator (TENG) as triethylamine sensor is cutting-edge strategy detection without need an additional power source. In this study, synthesized WO

Language: Английский

Citations

1
Silicate Derived from Phaeodactylum tricornutum for Removal of Polystyrene: Interfacial Effects of Living Organism and Its Derivatives with Nanoplastics DOI
Tingting Yu,

Xiong Huang,

Hong Li

et al.

Langmuir, Journal Year: 2024, Volume and Issue: 40(43), P. 22931 - 22944

Published: Oct. 15, 2024

The deposition of nanoplastics in the environment poses a direct threat to human health through food chain. There is an urgent need investigate how they can be effectively removed from water. In this work, toxic effects nanopolystyrene (PS) at different concentrations on Phaeodactylum tricornutum (PT) were investigated. results show that PS affects cell activity PT wall adhesion and shading effect hinders transmission light energy, thus inhibiting growth PT. Considering living not suitable for removal heterogeneous aggregation PS, magnesium silicate (MS) was obtained by calcination biomass based retaining salt. maximum adsorption capacity MS 40.85 mg g–1, which 10 times higher than conventional adsorbents. presence competitive anions significantly PS. application real water bodies reusability adsorbents also verified. By characterizing materials before after adsorption, it found mechanism mainly includes electrostatic attraction, hydrogen bonding, π–π interaction, complexation between Si–O bond This study explains nano-PS innovatively develops derivative diatoms, provides novel feasible strategy environmental remediation.

Language: Английский

Citations

0
Ultrasensitive Room Temperature Formaldehyde Sensors Based on F Doped ZnO Nanostructures Activated by UV Light DOI
Siyuan Guo, Xiaodong Chen, Hao Chen

et al.

Langmuir, Journal Year: 2024, Volume and Issue: 40(46), P. 24592 - 24604

Published: Nov. 7, 2024

It is urgent to develop an ultrasensitive formaldehyde (HCHO) sensor that can operate at room temperature and has a low detection limit. Metal oxide semiconductors are excellent gas sensitive materials. Therefore, in this paper, we present the synthesis of fluorine (F) doped zinc (ZnO) porous nanomaterials through straightforward one-pot method with optimization F doping levels achieve concentrations HCHO under UV light temperature. Under 375 nm light, exhibits response value 386% 10 ppm HCHO, which 2.6 times higher than pure ZnO, its limit as 75 ppb. selectivity, stability, moisture resistance, meet requirements daily life. Analysis reveals ZnO not only increases material's specific surface area but also introduces active sites. Furthermore, it alters state on from physical adsorption chemical adsorption. The above reasons together enhance material, thereby improving sensitivity performance. Overall, work demonstrates F-doped potential material for sensors provides insights into interpretation effect properties

Language: Английский

Citations

0