Direct Writing in Polymers with Femtosecond Laser Pulses: Physics and Applications

Deepak, K. L. N.; Soma, Venugopal Rao; Desai, Nisarg

doi:10.5772/45854

Cited by 4 publications

(3 citation statements)

References 45 publications

(41 reference statements)

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“…To see the distinction between such emitters in the background versus the ones in hBN flakes, we additionally analyzed their temporal dynamics (SI, Figure S6c). We also analyzed the spectrum of the observed emission to verify it was coming from the optically active defects in hBN (Figure S5), which matches the previously published spectra for CVD-grown hBN , and is inherently different from the photoluminescence of polymer residues …”

Section: Resultssupporting

confidence: 68%

“…We also analyzed the spectrum of the observed emission to verify it was coming from the optically active defects in hBN (Figure S5), which matches the previously published spectra for CVD-grown hBN 28,49 and is inherently different from the photoluminescence of polymer residues. 50 To further characterize the transferred 2D material on waveguides, we performed scanning electron microscopy (SEM) (Figure 3a) and AFM (Figure 3d) imaging. The strong contrast of hBN on top of silicon nitride in SEM enables relatively quick imaging of sufficiently large areas on the sample to locate all transferred hBN flakes and check for possible polymer residues (visible in areas close to the imaging well in Figure 2a) mainly coming from poly(methyl methacrylate) (PMMA), used in the transfer process (see Materials and Methods for details).…”

Section: ■ Results and Discussionmentioning

confidence: 99%

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Waveguide-Based Platform for Large-FOV Imaging of Optically Active Defects in 2D Materials

Glushkov¹,

Archetti²,

Stroganov³

et al. 2019

ACS Photonics

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Single-molecule localization microscopy (SMLM) is a powerful tool that is routinely used for nanoscale optical imaging of biological samples. Recently, this approach has been applied to study optically active defects in two-dimensional (2D) materials. Such defects can not only alter the mechanical and optoelectronic properties of 2D materials but also bring new functionalities, which make them a promising platform for integrated nanophotonics and quantum sensing. Most SMLM approaches, however, provide a field of view limited to ∼50 × 50 μm2, which is not sufficient for high-throughput characterization of 2D materials. Moreover, the 2D materials themselves pose an additional challenge as their nanometer-scale thickness prevents efficient far-field excitation of optically active defects. To overcome these limitations, we present here a waveguide-based platform for large field-of-view imaging of 2D materials via total internal reflection excitation. We use this platform to perform large-scale characterization of point defects in chemical vapor deposition-grown hexagonal boron nitride on an area of up to 100 × 1000 μm2 and demonstrate its potential for correlative imaging and high-throughput characterization of defects in 2D materials.

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Section: Resultssupporting

confidence: 68%

Section: ■ Results and Discussionmentioning

confidence: 99%

Waveguide-Based Platform for Large-FOV Imaging of Optically Active Defects in 2D Materials

Glushkov¹,

Archetti²,

Stroganov³

et al. 2019

ACS Photonics

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show abstract

“…[13,14] The optimal pH for the enzyme activity is pH=10 in standard conditions (310K,1 atm) . [19,20] During the second and third trimester the ALP level increased and be double or more than its level before gestation. [21,22] Objectives:…”

Section: Introductionmentioning

confidence: 99%

Inhibitory Effect Of Oxadiazooles And Thiadiazoles In Vitro On Serum Alkaline Phosphatase Enzyme Of Pregnant Woman

AL-Auqbi¹,

Al-Khalidi²

2012

AJPS

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To assess the inhibitory effect of oxadiazole and thiadiazole derivatives on serum alkaline phosphatase level of pregnant in vitro. A cross-sectional studyon 34 pregnant women was carried out at Al-Kadhumia Teaching Hospital. The mechanism of Inhibitory effect of Oxadiazoles and Thiadiazoles derivatives invitro on alkaline phosphatase enzyme of pregnant women due to the dephosphorylation reaction which block the ALP activity.

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Improving osteoblasts cells proliferation via femtosecond laser surface modification of 3D-printed poly-ε-caprolactone scaffolds for bone tissue engineering applications

et al. 2018

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Direct Writing in Polymers with Femtosecond Laser Pulses: Physics and Applications

Cited by 4 publications

References 45 publications

Waveguide-Based Platform for Large-FOV Imaging of Optically Active Defects in 2D Materials

Waveguide-Based Platform for Large-FOV Imaging of Optically Active Defects in 2D Materials

Inhibitory Effect Of Oxadiazooles And Thiadiazoles In Vitro On Serum Alkaline Phosphatase Enzyme Of Pregnant Woman

Improving osteoblasts cells proliferation via femtosecond laser surface modification of 3D-printed poly-ε-caprolactone scaffolds for bone tissue engineering applications

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