Engineering the luminescence and photothermal properties of metal complex Ruphen functionalized with silver nanoparticles for infrared human detection

Zhai，Yufei1; Li，Song2; Dong，Yuxuan1; Jin，Ying1; Zhou，Xuanzheng1; Wang，Min1,3

2024-10-01

10.1016/j.sna.2024.115594

Sensors and Actuators A: Physical   影响因子和分区

0924-4247

A luminescence quenching enhanced infrared (IR) detector has been developed to achieve highly sensitive recognition of human body by adding metallic luminescence quenchers. Spherical Ag NPs were mixed with Ru(phen) complex to obtain temperature-sensitive Ag/Ruphen/PVDF films. The relationships among luminescence output, temperature rise and silver addition were investigated and a satisfactory combination of enhanced luminescence factor and temperature change was found with an addition of 5 mol% of 71 nm Ag NPs. It is found that the metal-enhanced luminescence output is insignificant compared to its thermal ingredient since silver provides additional possible electron transfer channels, promoting non-radiative transitions and weakening luminescence. Besides, the Ag NPs induced additional temperature rise bringing further reduction of luminescence. The photothermal effect of Ag NPs can attain a higher temperature change under a certain IR radiation without an observed degradation of luminescence output. A coupled optical-thermal model was established to explain the schematic of the constructed infrared thermal detector. The non-invasive detections of moving and stationary human by the detector were successfully demonstrated. The work tends to provide an engineered optical-thermal model in luminophores and construct highly sensitive luminescence-based infrared thermal detectors.

Infrared thermal imaging Photothermal Plasmonic Thermal quenching

SCI ; EI

英语

第一 ; 通讯

20242416254697

Infrared imaging ; Luminescence ; Metal complexes ; Plasmonics ; Quenching ; Silver nanoparticles ; Thermal Engineering ; Thermoanalysis

Heat Treatment Processes:537.1 ; Light/Optics:741.1 ; Imaging Techniques:746 ; Nanotechnology:761 ; Chemistry:801 ; Inorganic Compounds:804.2 ; Plasma Physics:932.3

ENGINEERING

2-s2.0-85195673525

Scopus

1.School of Microelectronics,Southern University of Science and Technology,Shenzhen,518055,China
2.Department of Mechanics and Aerospace Engineering,Southern University of Science and Technology,Shenzhen,518055,China
3.Engineering Research Center of Integrated Circuits for Next-Generation Communications,Ministry of Education,Southern University of Science and Technology,Shenzhen,518055,China

Zhai，Yufei,Li，Song,Dong，Yuxuan,et al. Engineering the luminescence and photothermal properties of metal complex Ruphen functionalized with silver nanoparticles for infrared human detection[J]. Sensors and Actuators A: Physical,2024,376.

Zhai，Yufei,Li，Song,Dong，Yuxuan,Jin，Ying,Zhou，Xuanzheng,&Wang，Min.(2024).Engineering the luminescence and photothermal properties of metal complex Ruphen functionalized with silver nanoparticles for infrared human detection.Sensors and Actuators A: Physical,376.

Zhai，Yufei,et al."Engineering the luminescence and photothermal properties of metal complex Ruphen functionalized with silver nanoparticles for infrared human detection".Sensors and Actuators A: Physical 376(2024).