Designs and Development of NEMS/MEMS, Sensors, Actuators, and Device Fabrication

A special issue of Designs (ISSN 2411-9660). This special issue belongs to the section "Smart Manufacturing System Design".

Deadline for manuscript submissions: closed (20 September 2023) | Viewed by 2339

Special Issue Editors

Assistant Professor, School of Applied Engineering and Technology, Southern Illinois University Carbondale, Carbondale, IL, USA
Interests: microplasma devices; bio/chemical/gas sensors; energy harvesting and storage; unconventional computing; NEMS/MEMS
Mechanical Engineering Department and the Center for Communication Systems and Sensing, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
Interests: MEMS; resonators; nonlinear dynamics; sensors
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Special Issue Information

Dear Colleagues,

Call for Papers!

Micro/nano-electromechanical systems (MEMS/NEMS), sensors, and actuators are emerging as a highly innovative and interdisciplinary technology, drawing significant attention from researchers of various fields. MEMS/NEMS mainly involve 3D structures fabricated using CMOS technology with various exciting and vital applications, but sensors and actuators are used on a daily basis in everyday life. These technologies are progressing rapidly in terms of transduction/actuation mechanism and device performances as we are surrounded by and highly dependent on them. MEMS/NEMS, sensors, and actuators are interlinked when it comes to the bigger picture. Advancements in these fields may lead to revolutions in various industries, such as electronic, chemical, healthcare, automobile, agriculture, etc. Progress in MEMS/NEMS, sensors, and actuators represents the progress of humankind.

Topics covered include but are not limited to:

  • Theory, design, and fabrication of novel micro- and nano-electromechanical devices
  • Gas/chemical/biological/physical sensors
  • Micro and nano actuators
  • Integration of sensors and actuators
  • Flexible sensors and actuators
  • Theory, design, and fabrication of novel micro/nano 3D structures

Dr. Karumbaiah Chappanda
Dr. Nizar Jaber
Prof. Dr. Oscar Reinoso García
Guest Editors

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Keywords

  • NEMS/MEMS
  • sensors
  • actuators
  • electronic material and synthesis
  • device fabrication

Published Papers (1 paper)

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Research

10 pages, 2453 KiB  
Article
MoS2 Quantum Dot Modified Electrode: An Efficient Probe for Electrochemical Detection of Hydrazine
by Susmita Roy, Sarda Sharma, Karumbaiah N. Chappanda and Chanchal Chakraborty
Designs 2023, 7(1), 13; https://doi.org/10.3390/designs7010013 - 12 Jan 2023
Cited by 1 | Viewed by 1632
Abstract
The development of an effective sensor system that can detect carcinogenic hydrazine is of prime scientific interest for the protection of human health and the environment. In the present study, MoS2 quantum dots (QDs) with an average diameter of ~5 nm were [...] Read more.
The development of an effective sensor system that can detect carcinogenic hydrazine is of prime scientific interest for the protection of human health and the environment. In the present study, MoS2 quantum dots (QDs) with an average diameter of ~5 nm were synthesized using a facile one-step, bottom-up hydrothermal method using cysteine as reducing as well as capping agents. The presence of cysteine was evaluated by FTIR spectroscopy. The synthesized MoS2 QDs were applied to modify the conventional glassy carbon electrode (GCE) in order to detect hydrazine electrochemically in neutral pH conditions. In the cyclic voltammetry (CV) study, the MoS2 QDs-modified electrode revealed much better catalytic activities for hydrazine electro-oxidation compared to the bare GCE surface. The smaller size of the QDs with high surface area and the presence of carboxylic acid containing cysteine on the surface of the QDs enhanced the adsorption as well as the electrocatalytic activity. The amperometric response of MoS2-QD-modified GCE unveiled excellent electrocatalytic sensing properties towards neurotoxic hydrazine with a very high sensitivity of 990 μAmM−1cm−2 (R2 = 0.998), low LOD of 34.8 μM, and a broad linear range. Moreover, this high-sensitive, binder and conducting filler-free MoS2-QD-based sensing system is very promising in agile amperometric detection of neurotoxic hydrazine for environmental monitoring in industrial sectors. Full article
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