Journal
MATERIALS TODAY
Volume 50, Issue -, Pages 476-498Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mattod.2021.06.015
Keywords
Electrochromic materials; Electrochromic sensors; Biosensors; Nanomaterials
Categories
Funding
- European Union's Horizon 2020 research and innovation programme [825694]
- EU Graphene Flagship Core 2 Project [785219]
- CERCA programme, Generalitat de Catalunya
- Severo Ochoa Centres of Excellence programme - Spanish Research Agency (AEI) [SEV-2017-0706]
- EU's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant [754510]
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Electrochromic materials have the unique property of changing coloration under electrochemical stimulation, leading to their application in various technologies. Recently, they have gained attention in the (bio)sensing community for their ability to combine sensitivity with intuitive readout. EC-based sensors are on the rise, already successfully detecting targets such as cancer biomarkers, bacteria, metabolites, and pesticides.
Electrochromism (EC) is a unique property of certain materials that undergo an electrochemicalinduced change in colouration. During the last decades, electrochromic materials (ECMs) have been applied in a variety of technologies ranging from smart windows to information displays and energy storage devices. More recently, ECMs have attracted the attention of the (bio)sensing community thanks to their ability to combine the sensitivity of electrochemical methods with the intuitive readout of optical sensors. Although still a nascent technology, EC-based sensors are on the rise with several targets (e.g. cancer biomarkers, bacteria, metabolites and pesticides), which have already been detected by (bio)sensors using ECMs as transducers. In this review, we provide the reader with all the information to understand EC and its use in the development of EC-based biosensors.
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