Nano zero valent iron electrodeposition at boron doped diamond electrodes

Chacon, Angelica A.; Acevedo-González, Alexis J.; Omoogun, Abayomi; Ramírez, Ayleen V.; Jones, Andrew Crandall; Walton, Jack William; Ramirez Ramos, Marco A.; Díaz-Ayala, Ramonita; Cabrera, Carlos R.

doi:10.1016/j.diamond.2026.113415

Title: Nano zero valent iron electrodeposition at boron doped diamond electrodes

Journal Article · Fri Feb 06 00:00:00 UTC 2026 · Diamond and Related Materials

DOI: https://doi.org/10.1016/j.diamond.2026.113415 · OSTI ID:3017802

Chacon, Angelica A. ^[1]; Acevedo-González, Alexis J. ^[2]; Omoogun, Abayomi ^[1]; Ramírez, Ayleen V. ^[3];

^[4];

^[5]; Ramirez Ramos, Marco A. ^[1]; Díaz-Ayala, Ramonita ^[2]; Cabrera, Carlos R. ^[1]

Univ. of Texas at El Paso, TX (United States)
Univ. of Puerto Rico, San Juan, PR (United States)
Univ. Tecnológica de Ciudad Juárez (Mexico)
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States). Center for Integrated Nanotechnologies (CINT)
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Here, in this study, we present an ecofriendly and simple electrochemical method for synthesizing nano zero-valent iron particles (nZVIs) directly on boron-doped diamond (BDD) electrode surfaces. A BDD electrode served as the substrate for electrodeposition using a 5 mM FeCl₃/0.1 M KCl solution and chronoamperometry at an applied potential of −1.3 V versus Ag/AgCl (1 M KCl), as determined by cyclic voltammetry (CV) and supported by Pourbaix diagram analysis. The electrochemical behavior and surface modification were characterized using CV, electrochemical impedance spectroscopy (EIS), and surface analysis and microscopy techniques. The results confirm that BDD electrodes can serve as effective platforms for a controlled deposition of 56 nm nZVIs, offering a promising strategy for the development of advanced materials for environmental remediation, catalysis, and sensing applications.

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Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: National Institutes of Health (NIH); National Science Foundation (NSF); USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: 89233218CNA000001

OSTI ID:: 3017802

Report Number(s):: LA-UR--25-30969; 10.1016/j.diamond.2026.113415

Journal Information:: Diamond and Related Materials, Journal Name: Diamond and Related Materials Vol. 163; ISSN 0925-9635

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Title: Nano zero valent iron electrodeposition at boron doped diamond electrodes

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