Structural Analysis of Boron- and Nitrogen-Doped Amorphous Carbon Films from Bio-Product

Ardiani, Irma Septi; Nadiyyah, Khoirotun; Laila, Anna Zakiyatul; Tunmee, Sarayut; Nakajima, Hideki; Priyanto, Budhi; Darminto, Darminto

doi:10.4028/www.scientific.net/kem.860.190

Cited by 2 publications

(2 citation statements)

References 16 publications

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“…A hump-like peak was also observed at 288.2 eV, which was attributed to the C=O chemical environment. In particular, a peak at a binding energy of 283.0 eV was observed in the B-GC sample, corresponding to the B-C bond [31]. This once again suggests the presence of boron in the carbon structure.…”

Section: Resultsmentioning

confidence: 71%

Probing the Magnetic Properties of Boron-Doped Graphenic-Based Carbon Materials

Ristiani

Maulida

Firdaus

et al. 2023

MSF

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Graphenic carbon (GC) has been successfully synthesized from biomass (coconut shell charcoal) using the liquid phase exfoliation method. The dopants, in the form of light atoms such as boron (B-GC), were introduced with the aim of improving their magnetic properties. X-ray diffraction was used to identify the GC and B-GC, and the results show broad peaks around 24° and 43°, indicating the presence of graphene-like carbon structure. The bonding structure was also analyzed using X-ray photoelectron (XPS). It reveals the main bonds in GC consist of sp2, sp3, and C=O. While the B-GC sample shows an additional bond, namely the B-C bond, as an indicator of the successful doping process of B into the GC structure. Both GC and B-GC show weak room temperature ferromagnetism. Furthermore, these findings show that introducing boron atoms into the graphenic structure can improve magnetization.

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Section: Resultsmentioning

confidence: 71%

Probing the Magnetic Properties of Boron-Doped Graphenic-Based Carbon Materials

Ristiani

Maulida

Firdaus

et al. 2023

MSF

Self Cite

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“…Electrical conductivity is in the range of 0.5 to 0.6 S/cm which in the range of semiconductor. The optical energy gap in the range of 1.4 to 1.7 eV which is a stable area for the development of photovoltaic technology [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Photovoltaic Characteristics of the a-C/a-C:B Homojunction from Palmyra Sugar with Nano-Spray Method

Priyanto

Khambali

Chasrun

et al. 2023

KEM

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The a-C/a-C:B homojunction of palmyra sugar has been successfully fabricated using the nanospray method. Palmyra sugar was chosen as the main source of carbon because it is cheap, renewable, abundant and available around the clock. nanospray is used as a deposition method on glass ITO substrates because of several advantages, namely cheap, easy, portable, low power consumption, the deposited layer is more evenly distributed and thinner. Junction samples when in bright conditions [emitted light] showed an increase in current and voltage values compared to dark conditions. Testing the current and voltage of the junction sample shows the characteristics of a rectifier diode. This confirms the results of the test using PES as a doping process with amorphous carbon with boron capable of changing the conduction type from a-C from an intrinsic semiconductor to a p-type semiconductor. Testing the junction sample when irradiated with visible light using a lamp shows symptoms of the photovoltaic effect. Tests directly on the sun when conditions AM 1.5 samples showed symptoms of the photovoltaic effect. This indicates that the a-C/a-C:B amorphous carbon homojunction junction sample functions as a solar cell.

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Structural Analysis of Boron- and Nitrogen-Doped Amorphous Carbon Films from Bio-Product

Cited by 2 publications

References 16 publications

Probing the Magnetic Properties of Boron-Doped Graphenic-Based Carbon Materials

Probing the Magnetic Properties of Boron-Doped Graphenic-Based Carbon Materials

Photovoltaic Characteristics of the a-C/a-C:B Homojunction from Palmyra Sugar with Nano-Spray Method

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