Additive-manufactured (3D-printed) electrochemical sensors: A critical review

Autor(es)

Cardoso, Rafael M. ^[1] ; Kalinke, Cristiane ^[2] ; Rocha, Raquel G. ^[1] ; dos Santos, Pamyla L. ^[2] ; Rocha, Diego P. ^[1] ; Oliveira, Paulo R. ^[3] ; Janegitz, Bruno C. ^[3] ; Bonacin, Juliano A. ^[2] ; Richter, Eduardo M. ^[1] ; Munoz, Rodrigo A. A. ^[1]

Afiliação do(s) autor(es)

^[1] Univ Fed Uberlandia, Inst Chem, BR-38400902 Uberlandia, MG - Brazil

^[2] Univ Estadual Campinas, Inst Chem, BR-13083859 Campinas, SP - Brazil

^[3] Univ Fed Sao Carlos, Dept Nat Sci Math & Educ, BR-13600970 Sao Paulo - Brazil

• Tipo de documento: Artigo de Revisão
• Fonte: Analytica Chimica Acta; v. 1118, p. 73-91, JUN 29 2020.
• Citações Web of Science: 2

Resumo

Additive manufacturing or three-dimensional (3D)-printing is an emerging technology that has been applied in the development of novel materials and devices for a wide range of applications, including Electrochemistry and Analytical Chemistry areas. This review article focuses on the contributions of 3D-printing technology to the development of electrochemical sensors and complete electrochemical sensing devices. Due to the recent contributions of 3D-printing within this scenario, the aim of this review is to present a guide for new users of 3D-printing technology considering the required features for improved electrochemical sensing using 3D-printed sensors. At the same time, this is a comprehensive review that includes most 3D-printed electrochemical sensors and devices already reported using selective laser melting (SLM) and fused deposition modeling (FDM) 3D-printers. The latter is the most affordable 3D-printing technique and for this reason has been more often applied for the fabrication of electrochemical sensors, also due to commercially-available conductive and non-conductive filaments. Special attention is given to critically discuss the need for the surface treatment of FDM 3D-printed platforms to improve their electrochemical performance. The insertion of biochemical and chemical catalysts on the 3D-printed surfaces are highlighted as well as novel strategies to fabricate filaments containing chemical modifiers within the polymeric matrix. Some examples of complete electrochemical sensing systems obtained by 3D-printing have successfully demonstrated the enormous potential to develop portable devices for on-site applications. The freedom of design enabled by 3D-printing opens many possibilities of forthcoming investigations in the area of analytical electrochemistry. (C) 2020 Elsevier B.V. All rights reserved. (AU)

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