Effect of Boron Doping on Diamond Film and Electrochemical Properties of BDD According to Thickness and Morphology

Song, Chang; Cho, Dae‐Seung; Lee, Jae-Myung; Song, Pung Keun

doi:10.3390/coatings10040331

Cited by 18 publications

(4 citation statements)

References 33 publications

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“…Film thickness and working/active surface area of electrodes must be carefully optimized and determined to attain reliable results towards specific analytes [ 132 , 133 ].…”

Section: Optimization Requirementsmentioning

confidence: 99%

Diamond-Based Electrodes for Detection of Metal Ions and Anions

Shellaiah

Sun

2021

Nanomaterials

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Diamond electrodes have long been a well-known candidate in electrochemical analyte detection. Nano- and micro-level modifications on the diamond electrodes can lead to diverse analytical applications. Doping of crystalline diamond allows the fabrication of suitable electrodes towards specific analyte monitoring. In particular, boron-doped diamond (BDD) electrodes have been reported for metal ions, anions, biomolecules, drugs, beverage hazards, pesticides, organic molecules, dyes, growth stimulant, etc., with exceptional performance in discriminations. Therefore, numerous reviews on the diamond electrode-based sensory utilities towards the specified analyte quantifications were published by many researchers. However, reviews on the nanodiamond-based electrodes for metal ions and anions are still not readily available nowadays. To advance the development of diamond electrodes towards the detection of diverse metal ions and anions, it is essential to provide clear and focused information on the diamond electrode synthesis, structure, and electrical properties. This review provides indispensable information on the diamond-based electrodes towards the determination of metal ions and anions.

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“…Film thickness and working/active surface area of electrodes must be carefully optimized and determined to attain reliable results towards specific analytes [ 132 , 133 ].…”

Section: Optimization Requirementsmentioning

confidence: 99%

Diamond-Based Electrodes for Detection of Metal Ions and Anions

Shellaiah

Sun

2021

Nanomaterials

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“…Boron‐doped diamond (BDD) electrode is a promising material for electrochemical disinfection of water. BDD has been of a great interest and studied widely in water and wastewater treatment applications recently, due to its excellent and unique properties such as the wide electrochemical window, high overpotential against oxygen and hydrogen evolution in aqueous and nonaqueous media, corrosion stability, and inert surface with low adsorption (Panizza et al, 2008; Rehacek et al, 2020; Song et al, 2020). BDD electrodes have been studied extensively for use in EAOPs (Cornejo et al, 2020), and they have been considered as the best electrode material for oxidizing organic pollutants (He et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Effect of electrode parameters in the electro‐production of reactive oxidizing species via boron‐doped diamond under batch mode

Abdelnabi

Theeb

Almomani

et al. 2022

Water Environment Research

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Ozone and hydroxyl radicals (•OH) are powerful reactive oxidizing species (ROS) that are commonly utilized in water disinfection. The electrochemical advanced oxidation process (EAOP) is often used to generate such oxidants, whereas optimizing its experimental setup and electrode parameters plays a crucial role in its performance. This research aims to find the optimal setup for ROS generation process from tap water via the boron‐doped diamond. The effect of electrode's active area, type of electrode substrates (mesh or sheet), type of mesh substrate (rolled and unrolled), and number of anodes and cathodes are examined. The results showed that the use of two long‐rolled BDD/Nb meshes as anode and one long‐rolled mesh as a cathode gives the optimal performance of electrolysis process at 15 V potential and 3 min. These results will provide a start for developing a cost accepted, health‐safe, household disinfection device that reduces susceptibility to human life‐threatening waterborne diseases. Practitioner Points This research aims to find the optimal setup for ROS generation process from tap water via the boron‐doped diamond. The effect of electrode's parameters on the electro‐production of ROS is examined. The best performance is achieved using rolled mesh electrodes. Two long‐rolled BDD/Nb meshes as anode electrodes and one long‐rolled mesh cathode electrode give the optimal electrolysis process performance.

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“…17 Substantial progress has been made in doping boron in diamonds, and it achieved good electrical conductivity. 18 Gajewski et al 19 stated that the conductivity of boron-doped NCD films is because of holes not electrons, signifying that grain boundaries are not the key factor for the electron transport in B-doped NCD films. However, the material that exists at the grain boundaries of boron-doped NCD films is not examined yet.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Instead, doping boron in diamond films can render diamond grains conductive because boron atoms substitute sp 3 -carbon atoms in the diamond lattice . Substantial progress has been made in doping boron in diamonds, and it achieved good electrical conductivity . Gajewski et al stated that the conductivity of boron-doped NCD films is because of holes not electrons, signifying that grain boundaries are not the key factor for the electron transport in B-doped NCD films.…”

Section: Introductionmentioning

confidence: 99%

Nitrogen-Incorporated Boron-Doped Nanocrystalline Diamond Nanowires for Microplasma Illumination

Sethy

Ficek

Sankaran

et al. 2021

ACS Appl. Mater. Interfaces

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The origin of nitrogen-incorporated boron-doped nanocrystalline diamond (NB-NCD) nanowires as a function of substrate temperature (T s ) in H 2 /CH 4 /B 2 H 6 /N 2 reactant gases is systematically addressed. Because of T s , there is a drastic modification in the dimensional structure and microstructure and hence in the several properties of the NB-NCD films. The NB-NCD films grown at low T s (400 °C) contain faceted diamond grains. The morphology changes to nanosized diamond grains for NB-NCD films grown at 550 °C (or 700 °C). Interestingly, the NB-NCD films grown at 850 °C possess one-dimensional nanowirelike morphological grains. These nanowire-like NB-NCD films possess the co-existence of the sp 3 -diamond phase and the sp 2graphitic phase, where diamond nanowires are surrounded by sp 2 -graphitic phases at grain boundaries. The optical emission spectroscopy studies stated that the CN, BH, and C 2 species in the plasma are the main factors for the origin of nanowire-like conducting diamond grains and the materialization of graphitic phases at the grain boundaries. Moreover, conductive atomic force microscopy studies reveal that the NB-NCD films grown at 850 °C show a large number of emission sites from the grains and the grain boundaries. While boron doping improved the electrical conductivity of the NCD grains, the nitrogen incorporation eased the generation of graphitic phases at the grain boundaries that afford conducting channels for the electrons, thus achieving a high electrical conductivity for the NB-NCD films grown at 850 °C. The microplasma devices using these nanowire-like NB-NCD films as cathodes display superior plasma illumination properties with a threshold field of 3300 V/μm and plasma current density of 1.04 mA/cm 2 with a supplied voltage of 520 V and a lifetime stability of 520 min. The outstanding plasma illumination characteristics of these conducting nanowire-like NB-NCD films make them appropriate as cathodes and pave the way for the utilization of these materials in various microplasma device applications.

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Effect of Boron Doping on Diamond Film and Electrochemical Properties of BDD According to Thickness and Morphology

Cited by 18 publications

References 33 publications

Diamond-Based Electrodes for Detection of Metal Ions and Anions

Diamond-Based Electrodes for Detection of Metal Ions and Anions

Effect of electrode parameters in the electro‐production of reactive oxidizing species via boron‐doped diamond under batch mode

Nitrogen-Incorporated Boron-Doped Nanocrystalline Diamond Nanowires for Microplasma Illumination

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