Optimization and performance of nitrogen-doped carbon dots as a color conversion layer for white-LED applications

Tugrul Guner,
Hurriyet Yuce,
Didem Tascioglu,
Eren Simsek,
Umut Savaci,
Aziz Genc,
Servet Turan and
Mustafa M. Demir

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Published 15 Oct 2019

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1. Figure 1: (a) Schematic illustration of the synthesis of the N-CDots and (b) photographic image of the dilute...
  
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2. Figure 2: a) and b) General TEM micrographs of the green carbon quantum dot sample, showing the presence of s...
  
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3. Figure 3: (a) PL spectra of white light generated by employing the PVP/N-CDot drop-cast films layered over a ...
  
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4. Figure 4: (a) The PL spectra of the WLED containing the drop-cast PVP/N-CDot films and inorganic red phosphor...
  
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5. Figure 5: (a) PL spectra of the white light generated by employing color conversion layers with different amo...
  
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Beilstein J. Nanotechnol. 2019, 10, 2004–2013, doi:10.3762/bjnano.10.197

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Nanostructured and oriented metal–organic framework films enabling extreme surface wetting properties

Andre Mähringer,
Julian M. Rotter and
Dana D. Medina

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Published 09 Oct 2019

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1. Figure 1: A) Synthesis scheme of M-CAT-1 using 2,3,6,7,10,11-hexahydroxytriphenylene (HHTP) and the respectiv...
  
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2. Figure 2: A) A scheme of the vapor-assisted conversion (VAC) set up and the resulting nanostructured films. B...
  
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3. Figure 3: Cross-section SEM micrographs of A) an oriented and compact Co-CAT-1 film and B) an oriented (pilla...
  
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4. Figure 4: Box and whisker plot of the measured underwater OCAs for the nanostructured Ni-CAT-1 and Co-CAT-1 f...
  
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5. Figure 5: A) A 30° tilted SEM top view micrograph of Ni-CAT-1 film grown on glass. B) WCA on the superhydroph...
  
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Beilstein J. Nanotechnol. 2019, 10, 1994–2003, doi:10.3762/bjnano.10.196

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Gold-coated plant virus as computed tomography imaging contrast agent

Alaa A. A. Aljabali,
Mazhar S. Al Zoubi,
Khalid M. Al-Batanyeh,
Ali Al-Radaideh,
Mohammad A. Obeid,
Abeer Al Sharabi,
Walhan Alshaer,
Bayan AbuFares,
Tasnim Al-Zanati,
Murtaza M. Tambuwala,
Naveed Akbar and
David J. Evans

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Published 07 Oct 2019

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1. Figure 1: Unstained TEM images of Au-CPMV with the corresponding DLS size distribution histograms (inset). (A...
  
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2. Figure 2: NTA measurement of Au-CPMV at 25 °C recorded from three consecutive runs (60 s) for each sample. (A...
  
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3. Figure 3: (A) UV–vis spectrum of 50 nm unconjugated Au-CPMV (green) and antibody-labeled Au-CPMV particles (b...
  
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4. Figure 4: Confocal fluorescence microscopy images of fluorescent labeled ^{VCAM1-PEG5000Au}CPMV particles. RAW24...
  
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5. Figure 5: (A) High-resolution TEM image of ^{Antibody-PEG5000Au}CPMV; (B) elemental EDX map of gold; the signal ...
  
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6. Figure 6: CT images of Au-CPMV particles of different sizes suspended in DD water at, the gold concentration ...
  
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Beilstein J. Nanotechnol. 2019, 10, 1983–1993, doi:10.3762/bjnano.10.195

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Porous silver-coated pNIPAM-co-AAc hydrogel nanocapsules

William W. Bryan,
Riddhiman Medhi,
Maria D. Marquez,
Supparesk Rittikulsittichai,
Michael Tran and
T. Randall Lee

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Published 04 Oct 2019

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1. Scheme 1: Strategy for preparing silver nanocapsules with pNIPAM-co-AAc hydrogel cores.
  
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2. Figure 1: SEM images of (a) bare pNIPAM-co-AAc hydrogel particles (low magnification), (b) bare pNIPAM-co-AAc...
  
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3. Figure 2: TEM images of (a) THPC gold seeds on pDADMAC-modfied hydrogel particles (low magnification) and (b)...
  
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4. Figure 3: (a) UV–vis spectra of THPC gold seeds on swelled and collapsed pNIPAM-co-AAc hydrogel particles at ...
  
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5. Figure 4: SEM images of (a, b) porous silver nanocapsules with hydrogel cores and (c, d) complete silver nano...
  
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6. Figure 5: TEM images of (a) porous silver nanocapsules with hydrogel cores (≈930 nm in diameter), (b) silver ...
  
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7. Figure 6: UV–vis spectra of porous silver nanocapsules with hydrogel cores (≈930 nm in diameter) and complete...
  
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Beilstein J. Nanotechnol. 2019, 10, 1973–1982, doi:10.3762/bjnano.10.194

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Magnetic properties of biofunctionalized iron oxide nanoparticles as magnetic resonance imaging contrast agents

Natalia E. Gervits,
Andrey A. Gippius,
Alexey V. Tkachev,
Evgeniy I. Demikhov,
Sergey S. Starchikov,
Igor S. Lyubutin,
Alexander L. Vasiliev,
Vladimir P. Chekhonin,
Maxim A. Abakumov,
Alevtina S. Semkina and
Alexander G. Mazhuga

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Published 02 Oct 2019

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1. Figure 1: XRD patterns of coated and uncoated magnetic nanoparticles.
  
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2. Figure 2: HRTEM images of uncoated (a) and HSA-functionalized samples (b).
  
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3. Figure 3: The particle size distribution estimated from the HRTEM images in Figure 2.
  
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4. Figure 4: Raman spectrum of uncoated nanoparticles. Fitting of the peaks in the region up to 950 cm⁻¹ is show...
  
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5. Figure 5: Room temperature Mössbauer spectra of HSA-coated magnetic nanoparticles and uncoated particles. The...
  
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6. Figure 6: Mössbauer spectra of uncoated and HSA-coated magnetic nanoparticles at 10 K. Red and green sextets ...
  
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7. Figure 7: Distribution of the magnetic field H_hf values obtained from the Mössbauer spectra for uncoated and ...
  
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8. Figure 8: Mössbauer spectra for uncoated and HSA-coated magnetic nanoparticles (MNPs) at temperature ranging ...
  
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9. Figure 9: Experimental ZF-NMR spectrum of ⁵⁷Fe nuclei measured at 4.2 K in our metal nanoparticles (MNPs). Op...
  
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Beilstein J. Nanotechnol. 2019, 10, 1964–1972, doi:10.3762/bjnano.10.193

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Pulsed laser synthesis of highly active Ag–Rh and Ag–Pt antenna–reactor-type plasmonic catalysts

Kenneth A. Kane and
Massimo F. Bertino

Letter
Published 26 Sep 2019

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1. Figure 1: Ag–Rh heterostructures formed after mixing colloidal Ag and Rh suspensions generated via pulsed las...
  
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2. Figure 2: UV–vis absorption spectra of the monometallic Ag, Pt, Rh, and the colloidal Ag–Rh and Ag–Pt heteros...
  
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3. Figure 3: Experimentally observed rate constants in the form of ln(C/C₀) = −kt. C₀ is calculated from Abs_400nm...
  
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4. Figure 4: Rate constants for 1:1 loading ratios of the (a) Ag–Pt and (b) Ag–Rh systems over the course of 30 ...
  
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5. Figure 5: Rate constants for the (a) Ag–Pt and (b) Ag–Rh systems at a variety of loading ratios. Catalytic en...
  
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Beilstein J. Nanotechnol. 2019, 10, 1958–1963, doi:10.3762/bjnano.10.192

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The influence of porosity on nanoparticle formation in hierarchical aluminophosphates

Matthew E. Potter,
Lauren N. Riley,
Alice E. Oakley,
Panashe M. Mhembere,
June Callison and
Robert Raja

Letter
Published 25 Sep 2019

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1. Figure 1: SEM images of microporous MP-SAPO-5 (A) and hierarchical HP-SAPO-5 (B).
  
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2. Figure 2: Nitrogen physisorption isotherms of gold-deposited microporous (A) and hierarchical (B) SAPO-5 syst...
  
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3. Figure 3: The magnitude and imaginary component of the k³-weighted Fourier transform for the XAS data of the ...
  
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4. Figure 4: Stacked XPS data for Au-doped microporous MP-SAPO-5 (A) and hierarchical HP-SAPO-5 (B) showing the ...
  
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Beilstein J. Nanotechnol. 2019, 10, 1952–1957, doi:10.3762/bjnano.10.191

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First principles modeling of pure black phosphorus devices under pressure

Ximing Rong,
Zhizhou Yu,
Zewen Wu,
Junjun Li,
Bin Wang and
Yin Wang

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Published 24 Sep 2019

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1. Figure 1: (a) Schematic drawing of the BP nanodevice; (b) zigzag BP device with a length of the central regio...
  
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2. Figure 2: (a–c) Top view and side view of the partially relaxed BP structures under different compressing rat...
  
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3. Figure 3: (a–c) Band structures of partially relaxed BP with pressure ratio R_C = 0, 15% and 30%, respectively...
  
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4. Figure 4: Conductance G from first principles calculations (solid symbols) and G_WKB fitted by the WKB model (...
  
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5. Figure 5: Real-space distribution of PDOS at the Fermi level in logarithmic scale along the transport directi...
  
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6. Figure 6: The values of ln(G_WKB) as function of the length of the pressure region for (a) zigzag and (b) armc...
  
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Beilstein J. Nanotechnol. 2019, 10, 1943–1951, doi:10.3762/bjnano.10.190

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Synthesis and potent cytotoxic activity of a novel diosgenin derivative and its phytosomes against lung cancer cells

Liang Xu,
Dekang Xu,
Ziying Li,
Yu Gao and
Haijun Chen

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Published 24 Sep 2019

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1. Figure 1: (A) The structure of diosgenin. (B) The structure of FZU-0021-194-P2. (C) X-ray crystallographic an...
  
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2. Figure 2: In vitro anticancer activity of diosgenin (Di) and its derivative FZU-0021-194-P2 (P2). (A) The ant...
  
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3. Figure 3: Preparation and characterization of Di phytosomes (DiP) and P2 phytosomes (P2P). (A) Schematic illu...
  
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4. Figure 4: In vitro antiproliferative activity of blank lipid nanoparticle (P), DiP, and P2P. (A) The cytotoxi...
  
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5. Figure 5: (A) Cell cycle analysis of A549 and PC9 cells after treated with DiP and P2P for 72 h. (B) Cell apo...
  
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Beilstein J. Nanotechnol. 2019, 10, 1933–1942, doi:10.3762/bjnano.10.189

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Facile synthesis of carbon nanotube-supported NiO//Fe₂O₃ for all-solid-state supercapacitors

Shengming Zhang,
Xuhui Wang,
Yan Li,
Xuemei Mu,
Yaxiong Zhang,
Jingwei Du,
Guo Liu,
Xiaohui Hua,
Yingzhuo Sheng,
Erqing Xie and
Zhenxing Zhang

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Published 23 Sep 2019

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1. Figure 1: Schematic illustration of the preparation of the asymmetric supercapacitor.
  
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2. Figure 2: SEM images of (a) CNTs grown on carbon cloth; (b) CC-CNT@Fe₂O₃; (c) magnified CC-CNT@Fe₂O₃. (d) TEM...
  
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3. Figure 3: (a) XRD pattern and (b) Raman spectra of CC-CNT and CC-CNT@Fe₂O₃; (c) Fe 2p and (d) O 1s XPS spectr...
  
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4. Figure 4: Electrochemical performance of the CC-CNT@Fe₂O₃ electrode: (a) CV curves; (b) GCD curves; (c) capac...
  
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5. Figure 5: SEM images of (a) CC-CNT@NiO; (b) magnified CC-CNT@NiO. (c) TEM image of NiO particles on CNT; (d) ...
  
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6. Figure 6: Characterization of CC-CNT@NiO: (a) XRD; (b) Raman; (c) Ni 2p and (d) O 1s XPS spectra.
  
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7. Figure 7: Electrochemical performance of the CC-CNT@NiO electrode: (a) CV curves; (b) GCD curves; (c) capacit...
  
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8. Figure 8: (a) CV curves of the all-solid-state ASC recorded at voltage windows from 1.2 to 2.0 V. (b) CV curv...
  
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Beilstein J. Nanotechnol. 2019, 10, 1923–1932, doi:10.3762/bjnano.10.188

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