Evaluating the potential of two-dimensional materials for innovations in multifunctional electrochromic biochemical sensors: a review




HIGHLIGHTS
  • What: In this review the current advancements in electrochromic sensors based on two-dimensional (2D) materials with rich chemical and physical properties are critically examined. By summarizing the current trends in and prospects for utilizing multifunctional electrochromic devices (ECDs) in environmental monitoring food quality control medical diagnosis and life science-related investigations the authors explore the potential of using 2D materials for rational design of ECDs with compelling electrical and optical properties for biochemical sensing applications. All the data generated or analyzed during this study have been included in this published article.
  • Who: Nadia Anwar from the School of Materials Science and Engineering, Tsinghua University, Beijing, China have published the research: Evaluating the potential of two-dimensional materials for innovations in multifunctional electrochromic biochemical sensors: a review, in the Journal: (JOURNAL)
  • How: 6.3 Challenges and outlook This review discussed advanced ECDs incorporating 2D sensing materials.
  • Future: To combat these issues future directions should be focused on developing materials with enhanced stability and employing encapsulation techniques to shield ECLs from external elements.
SUMMARY

    In the production of EC biochemical sensors, an EC material layer is deposited on an electrode with a biochemical recognition element immobilized on top. As demonstrated in Fig 1, the optimal performance of ECDs for biochemical sensing is achieved through two key strategies: tuning or modification of the surface properties of the 2D material to enhance its interaction with target molecules, and rational design of ECDs to achieve the desired electrochemical and optical properties. By integrating the advantages of 2D materials with sophisticated device design, the goal is to develop EC biochemical sensors that have both a high sensitivity and a quick response. Synthesis of emerging 2D EC materials Traditional EC materials primarily consist of inorganic substances, such as ­WO3 and other transition metal oxides ­(MoO3, ­TiO2, ­V2O5, etc.), and organic materials, including conducting polymers (polypyrrole, polythiophene, polyaniline, and their derivatives), metal complexes, and small organic compounds such as the viologen family, metal phthalocyanine, and Prussian blue derivatives. 2D materials differ from traditional EC materials in their unique physical and chemical properties, which can markedly improve EC performance. In practice, these approaches often need to be combined to achieve the specific material properties and structures desired for 2D EC materials. Potential of 2D materials for EC biochemical sensing 2D material-based ECDs have attracted significant interest owing to their unique properties and broad potential applications in technologies such as displays, smart windows, and energy storage systems. Continued advancements in the study of EC materials and device architectures are expected to yield ECDs with improved performance and expanded functionalities. @@

LAY DEFINITIONS
  • Black phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions
  • Electrochemical impedance spectroscopy: A technique of measuring the dielectric properties of materials, which vary over a range of frequencies depending on the physical properties of the material. The technique involves measuring, over a range of frequencies, ELECTRICAL IMPEDANCE and phase shift of an electric field as it passes through the material
  • Cystic fibrosis: An autosomal recessive genetic disease of the EXOCRINE GLANDS. It is caused by mutations in the gene encoding the CYSTIC FIBROSIS TRANSMEMBRANE CONDUCTANCE REGULATOR expressed in several organs including the LUNG, the PANCREAS, the BILIARY SYSTEM, and the SWEAT GLANDS
  • Acetaminophen: Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage
  • Chemical vapor deposition: Chemical vapor deposition is a vacuum deposition method used to produce high quality, high-performance, solid materials. The process is often used in the semiconductor industry to produce thin films
  • Cyclic voltammetry: Cyclic voltammetry (CV) is a type of potentiodynamic electrochemical measurement. In a cyclic voltammetry experiment, the working electrode potential is ramped linearly versus time
  • Graphene oxide: Graphite oxide (GO), formerly called graphitic oxide or graphitic acid, is a compound of carbon, oxygen, and hydrogen in variable ratios, obtained by treating graphite with strong oxidizers and acids for resolving of extra metals. The maximally oxidized bulk product is a yellow solid with C:O ratio between 2.1 and 2.9, that retains the layer structure of graphite but with a much larger and irregular spacing.The bulk material spontaneously disperses in basic solutions or can be dispersed by sonication in polar solvents to yield monomolecular sheets, known as graphene oxide by analogy to graphene, the single-layer form of graphite
  • Point-of-care: Laboratory and other services provided to patients at the bedside. These include diagnostic and laboratory testing using automated information entry
  • Optical properties: The optical properties of a material define how it interacts with light. The optical properties of matter are studied in optical physics, a subfield of optics
  • Electrochemistry: The study of chemical changes resulting from electrical action and electrical activity resulting from chemical changes.
  • 2D materials: Two-dimensional materials are crystalline materials consisting of a single layer of atoms. These materials have found use in applications such as photovoltaics, semiconductors, electrodes and water purification

Licence: cc-by

Site reference: https://link.springer.com/content/pdf/10.1007/s44275-024-00013-0.pdf

DOI reference: https://www.doi.org/10.1007/s44275-024-00013-0

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