Vapour Pressure of Ethanol and 1-Propanol Binary Mixtures

Talibov, Misirkhan; Safarov, Javid

doi:10.1515/hjic-2016-0004

Cited by 3 publications

(2 citation statements)

References 7 publications

(20 reference statements)

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“…The vapor pressure of each precursor increases in the order of, ethanol (∼5.84 kPa), heptane (∼6.4 kPa) and methanol (∼13.02 kPa). [26][27][28] Since the vapor pressure of heptane and ethanol were approximately close, the number of layers formed would expected to be consistent. However, as the flow rate increases, the %T of heptane dropped drastically.…”

Section: Resultsmentioning

confidence: 99%

Characteristics of CVD Grown Multi-Layer Graphene under Different Types of Precursors and Their Respective Flow Rate

Beh

Yam

Tan

et al. 2017

ECS J. Solid State Sci. Technol.

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In this work, atmospheric pressure chemical vapor deposition (CVD) method was used to synthesize multi-layer graphene (MLG) on copper substrate. The MLG samples were grown under different type of liquid precursors, i.e. methanol, ethanol, and heptane, with different flow rate of hydrogen (H 2 ) (combination of both denoted as precursor flow rate). The transferred graphene film onto glass substrate have good coverage area as evident from AFM measurements, however, morphological differences were less notable among precursor types. Post-processing of Raman results revealed an inverse relation of the graphene crystallite size (L a ) and average distance between point defects (L D ) toward precursor flow rate and ascending order of hydrocarbon compound. Furthermore, analysis on the G band indicated that graphene synthesized from lower order hydrocarbon compounds possessed better crystalline quality since the peak position was comparable to that of a relaxed state, i.e. at 1580 cm −1 . Transmittance data of the samples were used to deduce the number of graphene layers. Overall, the synthesized graphene consisted of 3∼19 layers. A direct relation between number of graphene layers and precursor flow rate was observed from there.

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Section: Resultsmentioning

confidence: 99%

Characteristics of CVD Grown Multi-Layer Graphene under Different Types of Precursors and Their Respective Flow Rate

Beh

Yam

Tan

et al. 2017

ECS J. Solid State Sci. Technol.

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show abstract

“…1). The vapour pressure of the water 14 (APD in ∆p/p = ±0.106 %), methanol 12,15 (APD in ∆p/p = = ±0.11 %), ethanol 16,17 (APD in ∆p/p = ±0.37 %), 1-propanol 16 (APD in ∆p/p = ±0.38 %), 1-butanol 18 (APD in ∆p/p = ±0.107 %), toluene 19 (APD in ∆p/p = ±0.079 %), etc. were measured as the reference substances for the testing of both setups.…”

Section: Introductionmentioning

confidence: 99%