Hydrogenation of diamond nanowire surfaces for effective electrostatic charge storage

Panda, Kalpataru; Kim, Jae-Eun; Sankaran, Kamatchi Jothiramalingam; Lin, I‐Nan; Haenen, Ken; Duesberg, Georg S.; Park, Jeong Young

doi:10.1039/d1nr00189b

Cited by 5 publications

(9 citation statements)

References 82 publications

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“…Atomic force microscopy (AFM) is considered a vital instrument in nanotechnology with constantly increasing application potential in electronics, 1,2 tribology, 3,4 cell and molecular biology, 5,6 materials designs, 7,8 polymers, 9,10 energy storage and generation, 11,12 etc. In AFM operation, an AFM probe raster scans over a sample, and the identified tip-sample interaction force shows the morphology and other physical properties at nanoscale resolutions.…”

Section: Introductionmentioning

confidence: 99%

A wear-resistant silicon nano-spherical AFM probe for robust nanotribological studies

Uzoma

Ding

Wen

et al. 2022

Phys. Chem. Chem. Phys.

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Section: Introductionmentioning

confidence: 99%

A wear-resistant silicon nano-spherical AFM probe for robust nanotribological studies

Uzoma

Ding

Wen

et al. 2022

Phys. Chem. Chem. Phys.

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“…[1][2][3] Such line of studies eventually evolved to the intriguing simultaneous low-dimensional evolutions in diamond-graphite hybrid nanostructured thin microstructural evolution control. The mechanism of such intriguing simultaneous low-dimensional evolutions in carbon thin film is a territory yet to be explored in depth, in contrast to their extensive employment in various advanced technologies, [3,6,[14][15][16][17] among which the electrochemical electrode stands out as one of the prominent examples. [4,7,[22][23][24][25] The aforementioned N-UNCD is the diamond-graphite hybrid nanocarbon thin films, reported in various names, which might be categorized into two: 1D (core-shell structure: wire, needle, and rod) [4][5][6][7][8][9][10][11][12][13][14][15] and 2D nanostructure (sandwich structure: flake, platelet, and wall).…”

Section: Introductionmentioning

confidence: 99%

“…The mechanism of such intriguing simultaneous low-dimensional evolutions in carbon thin film is a territory yet to be explored in depth, in contrast to their extensive employment in various advanced technologies, [3,6,[14][15][16][17] among which the electrochemical electrode stands out as one of the prominent examples. [4,7,[22][23][24][25] The aforementioned N-UNCD is the diamond-graphite hybrid nanocarbon thin films, reported in various names, which might be categorized into two: 1D (core-shell structure: wire, needle, and rod) [4][5][6][7][8][9][10][11][12][13][14][15] and 2D nanostructure (sandwich structure: flake, platelet, and wall). [16][17][18][19][20][21][22][23][24][25] The similarity between their respective high-resolution transmission electron microscopy (HR-TEM) images: 1D (diamond-graphite core-shell nanowire) versus 2D (diamond inner layer sandwiched between two graphite layers) initially induced some confusion.…”

Section: Introductionmentioning

confidence: 99%

“…[16][17][18][19][20][21][22][23][24][25] The similarity between their respective high-resolution transmission electron microscopy (HR-TEM) images: 1D (diamond-graphite core-shell nanowire) versus 2D (diamond inner layer sandwiched between two graphite layers) initially induced some confusion. Recently, the 2D structure is getting a wider recognition based upon scanning electron microscopy (SEM) and AFM, [15][16][17][18][19][20][21][22][23][24][25] while the reports on the genuine 1D structure remains rather limited in number. [11][12][13] Nevertheless, origin of such 2D evolution still remains as a formidable conundrum with many deeply intriguing features that baffled many researchers for over a decade.…”

Section: Introductionmentioning

confidence: 99%

“…1) The "diamond in graphite sheath" structure is never reversed: why not "graphite in diamond sheath"? [6][7][8][9][10]15,[18][19][20][21][22][23] Furthermore, in many cases the (111) diamond inner layer was aligned parallel to the sheath: [7][8][9][10][20][21][22] why always {111} rather than {100} or {110}? 2) The 2D objects always evolved as embedded in the nanocrystalline diamond (NCD) matrix.…”

Section: Introductionmentioning

confidence: 99%

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Bottom–Up Evolution of Diamond–Graphite Hybrid Two‐Dimensional Nanostructure: Underlying Picture and Electrochemical Activity

Cho

Lee

et al. 2021

Small

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It recently culminated as the nitrogen-included ultrananocrystalline diamond (N-UNCD), which was reported to be the only successful form of diamond for neural stimulation and recording. [14] The N-UNCD is fabricated through the intriguing bottom-up evolution of the diamond-graphite hybrid nanostructure under chemical vapor deposition (CVD). [4][5][6][7][8][9] While the material is indeed outstanding in the neural stimulation and recording, there's still an important issue to be resolved: their performance for the simultaneous electrochemical detection of the neural transmitter, for example, dopamine (DA) in presence of ascorbic acid (AA) and uric acid (UA) is still far from satisfactory, [26,27] as compared to that of the nanocarbon-powder-based porous thin films. [28] Furthermore, the detection of AA in presence of interference from DA and UA, which is inevitable in many biological samples, [29] is particularly challenging, relative to those of DA and UA, which might be attributed to the lack of π-π molecular bonding route of AA absorption on carbon electrode. [30,31] Such challenging situation was persistent until recently despite the decade-long presence of the diamond-graphite hybrid nanostructured thin film, and one might attribute it to the lack of the fundamental understanding of the bottom-up evolution mechanism of the hybrid film, which is essential for a proper optimization of materials performance throughThe diamond-graphite hybrid thin film with low-dimensional nanostructure (e.g., nitrogen-included ultrananocrystalline diamond (N-UNCD) or the alike), has been employed in many impactful breakthrough applications. However, the detailed picture behind the bottom-up evolution of such intriguing carbon nanostructure is far from clarified yet. Here, the authors clarify it, through the concerted efforts of microscopic, physical, and electrochemical analyses for a series of samples synthesized by hotfilament chemical vapor deposition using methane-hydrogen precursor gas, based on the hydrogen-dependent surface reconstruction of nanodiamond and on the substrate-temperature-dependent variation of the growth species (atomic hydrogen and methyl radical) concentration near substrate. The clarified picture provides insights for a drastic enhancement in the electrochemical activities of the hybrid thin film, concerning the detection of important biomolecule, that is, ascorbic acid, uric acid, and dopamine: their limits of detections are 490, 35, and 25 nm, respectively, which are among the best of the all-carbon thin film electrodes in the literature. This work also enables a simple and effective way of strongly enhancing AA detection.The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/smll.202105087.

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Diamond Nanostructures at Different Dimensions: Synthesis and Applications

Li,

Yang,

Jiang

et al. 2024

Adv Funct Materials

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Diamond materials at different nanoscales provide them various characteristics such as elastic mechanical properties in needle‐like nanotips, flexibility of 2D films having atomic thicknesses and constant hardness under high pressures, superior field electron emission properties of vertically wall‐like composites, unprecedented hardness and improved toughness of nanotwin diamond (nt‐diamond), while the inherent excellent properties of bulk diamond (e.g., high Young's modulus, robustness, biocompatibility) can be maintained. In this paper, the newly born 1D diamond nanothreads, 2D diamanes, as well as 3D nt‐diamond are briefly reviewed. The innovations, progresses and achievements of different dimensional diamond nanostructures, covering lines, planes and volumes are overviewed. The topical problems and future outlooks of diamond nanostructures are outlined and discussed.

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Hydrogenation of diamond nanowire surfaces for effective electrostatic charge storage

Abstract: We report a novel versatile method for writing charged areas on diamond nanowire (DNW) surfaces by an atomic force microscopy (AFM) tip. Transmission electron microscopy (TEM) investigations revealed the existence...

Cited by 5 publications

References 82 publications

A wear-resistant silicon nano-spherical AFM probe for robust nanotribological studies

A wear-resistant silicon nano-spherical AFM probe for robust nanotribological studies

Bottom–Up Evolution of Diamond–Graphite Hybrid Two‐Dimensional Nanostructure: Underlying Picture and Electrochemical Activity

Diamond Nanostructures at Different Dimensions: Synthesis and Applications

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