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Fig. 7. (a) XPS spectra monitoring the valence states of Li, Na, and K. (b) The formation energies Δ E of five different cationic lattice sites and interstitial vacancies occupied by Li in the crystal were calculated by DFT theory. (c) Positron annihilation lifetime spectra to determine the defect concentrations. (d) XPS energy spectra. (e) The ratio of Ce3+ ions to the total Ce ions in TCP:Ce, CLP:Ce, CNP:Ce, and CKP:Ce according to the XPS results. (f) The schematic diagram for the improveme
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Fig. 5. (a) XRPD patterns of the TCP:Ce,Li, TCP:Ce,Na and TCP:Ce,K phosphors. The bottom gives the standard PDF card of Ca3(PO4)2. (b) STEM-ABF and HAADF images of the surface structure of TCP:Ce,Na. (c) HRTEM images of TCP:Ce,Na and diffraction patterns along three different orientations
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Fig. 6. (a) PL spectra of TCP:Ce, TCP:Ce,Li, TCP:Ce,Na and TCP:Ce,K under 310 nm excitation. (b) PL intensity as a function of temperature (from 25 to 225 ◦C) in four samples. (c) CL spectra of TCP:Ce,Na under 10–100 mA and 8 kV. The inset shows the CL intensity of TCP:Ce and TCP:Ce,Na as a function of applied current. (d) CL spectra of TCP:Ce,Na under 60 mA and 5–15 kV. The inset shows the CL intensity of TCP:Ce and TCP:Ce,Na as a function of accelerating voltage. (e) IQE of TCP: Ce,Li, TCP
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Fig. 8. (a) Packaging the developed phosphors to LED lamps. (b) The monitored device spectra at different currents (5–30 mA) single component TCSP:Ce,Na,Mn (up) and combination of mixed commercial phosphors (down). (c) The CIE coordinates and photographs of two lamps for warm-white LED (left) and plant-growth lighting (right)
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Emerging Magnesium-Based Biomaterials for Orthopedic Implantation.pdf
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Emerging Magnesium-Based Biomaterials for Orthopedic Implantation.pdf

Bordbar-Khiabani, Aydin

figshare 2019

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Nanodiamond TEM images
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Nanodiamond TEM images

Marsh, Andrew ; Xianjin Cui ; Haitao Ye ; Xianping Liu ; Tatton, Andrew S. ; Brown, Stephen P.

figshare 2020

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Summary schematic of manuscript "Tuning the Electronic Structure of Ag-Pd Alloys to Enhance Performance for the Oxygen Reduction Reaction in Alkaline Media"
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Summary schematic of manuscript "Tuning the Electronic Structure of Ag-Pd Alloys to Enhance Performance for the Oxygen Reduction Reaction in Alkaline Media"

Zamora Zeledon, Jose ; Stevens, Michaela Burke ; Gallo, Alessandro ; Landers, Alan ; Kreider, Melissa ; Hahn, Christopher ; Nørskov, Jens Kehlet ; Jaramillo, Thomas F.

figshare 2022

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Poster - Greenwich Research and Entreprise by Karifa Sanfo.pdf
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Poster - Greenwich Research and Entreprise by Karifa Sanfo.pdf

Sanfo, Karifa

figshare 2021

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Improving the photocatalytic production of hydrogen using a ternary TiO2/ reduced graphene oxide/ silver
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Improving the photocatalytic production of hydrogen using a ternary TiO2/ reduced graphene oxide/ silver

Sanfo, Karifa

figshare 2021

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Fig. 4. (a) PL spectra of TCP:Ce and TCSP:Ce (0 < x ≤ 3) under 310 nm excitation. (b) IQE under 310 nm excitation. (c) Debye temperature (ΘD) estimated with DFT calculations. (d) Top: high-resolution XPS energy spectra Ce in TCSP:Ce (x = 1.5) and bottom: ratio of Ce3+ in TCP:Ce and TCSP:Ce (0 < x ≤ 3). (e) Schematic diagram of improving performance by forming Solid solution-biphasic system, increasing entropy and enhancing the rigid host-structure
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