Impedimetric humidity sensing studies of Ag doped MCM-41 mesoporous silica coated on silver sputtered interdigitated electrodes

Kunchakara, Suhasini; Ratan, Amar; Dutt, Meenakshi; Shah, Jyoti; Kotnala, R. K.; Singh, Vaishali

doi:10.1016/j.jpcs.2020.109531

Cited by 24 publications

(8 citation statements)

References 59 publications

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“…This MIS capacitor‐based MCM‐41@Ag could be used as a capacitive humidity sensor. The literature report this structure as a humidity sensor with impedance [68] …”

Section: Resultsmentioning

confidence: 99%

Controlling Size Distribution of Silver Nanoparticles using Natural Reducing Agents in MCM‐41@Ag

et al. 2022

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It is by reported the effect of natural reducing agents such as plant extracts (Equisetum myriochaetum leaves, Cymbopogon citratus, Camellia sinensis, Syzygium aromaticum), fruits (orange, apple), and biopolymers (arabic gum, and chitosan) on the size distribution of silver nanoparticles, obtained by green synthesis, to be incorporated in a MCM‐41@Ag nanocomposite. The aim is to determine the influence of temperature, agitation time, concentration, atmosphere, and nature of the reducing agent on the MCM‐41@Ag particle size. According to the DLS analysis, the extract of Syzygium aromaticum produced silver nanoparticles in the range of 8–80 nm. Further structural, morphological, optical, and surface characterization confirmed the obtention of the desired MCM‐41@Ag nanocomposite. Our results show the potential of MCM‐41@Ag to be incorporated in Metal‐insulator‐semiconductor capacitors for detection purposes.

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“…This MIS capacitor‐based MCM‐41@Ag could be used as a capacitive humidity sensor. The literature report this structure as a humidity sensor with impedance [68] …”

Section: Resultsmentioning

confidence: 99%

Controlling Size Distribution of Silver Nanoparticles using Natural Reducing Agents in MCM‐41@Ag

et al. 2022

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“…In physical vapor deposition, sputtering [ 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 ] is a method commonly used for various materials of humidity sensors. Sputtering can integrate two completely different materials into one sensing device.…”

Section: Materials and Methods For Nanosensor Synthesismentioning

confidence: 99%

Advances in Humidity Nanosensors and Their Application: Review

Chung

2023

Sensors

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As the technology revolution and industrialization have flourished in the last few decades, the development of humidity nanosensors has become more important for the detection and control of humidity in the industry production line, food preservation, chemistry, agriculture and environmental monitoring. The new nanostructured materials and fabrication in nanosensors are linked to better sensor performance, especially for superior humidity sensing, following the intensive research into the design and synthesis of nanomaterials in the last few years. Various nanomaterials, such as ceramics, polymers, semiconductor and sulfide, carbon-based, triboelectrical nanogenerator (TENG), and MXene, have been studied for their potential ability to sense humidity with structures of nanowires, nanotubes, nanopores, and monolayers. These nanosensors have been synthesized via a wide range of processes, including solution synthesis, anodization, physical vapor deposition (PVD), or chemical vapor deposition (CVD). The sensing mechanism, process improvement and nanostructure modulation of different types of materials are mostly inexhaustible, but they are all inseparable from the goals of the effective response, high sensitivity and low response–recovery time of humidity sensors. In this review, we focus on the sensing mechanism of direct and indirect sensing, various fabrication methods, nanomaterial geometry and recent advances in humidity nanosensors. Various types of capacitive, resistive and optical humidity nanosensors are introduced, alongside illustration of the properties and nanostructures of various materials. The similarities and differences of the humidity-sensitive mechanisms of different types of materials are summarized. Applications such as IoT, and the environmental and human-body monitoring of nanosensors are the development trends for futures advancements.

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“…The pore size and pore volume were measured according to the Barrett-Joyner-Halenda (BJH) method. 28 Thermal characterization. The thermal stability of SMEOs, MSNPs, MSNP-SMEOs, and PM was analyzed using a thermogravimetric analyzer (NETZSCH, TG209F1Libra, Germany).…”

Section: Characterization Of Msnp-smeosmentioning

confidence: 99%

Sugarcane molasses essential oils: mesoporous silica nanoparticles as carriers to improve their slow-release activity and the study on their anti-inflammatory activitiesin vivo

et al. 2023

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Impedimetric humidity sensing studies of Ag doped MCM-41 mesoporous silica coated on silver sputtered interdigitated electrodes

Cited by 24 publications

References 59 publications

Controlling Size Distribution of Silver Nanoparticles using Natural Reducing Agents in MCM‐41@Ag

Controlling Size Distribution of Silver Nanoparticles using Natural Reducing Agents in MCM‐41@Ag

Advances in Humidity Nanosensors and Their Application: Review

Sugarcane molasses essential oils: mesoporous silica nanoparticles as carriers to improve their slow-release activity and the study on their anti-inflammatory activitiesin vivo

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