Showing papers in "Journal of Solid State Chemistry in 2008"

TL;DR: In this paper, both substitutional and interstitial nitrogen-doped titanium dioxides (N-TiO2) were prepared and their surface states were clarified by XPS spectra of N 1s, O 1s and Ti 2p.

TL;DR: In this paper, a sheelite structure of submicrometer crystalline CaMO4:RE3+ (M=W, Mo; RE=Eu, Tb) phosphors was synthesized via the hydrothermal process, which were characterized by X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM), respectively.

TL;DR: In this article, the structure of magnetic powders were characterized by X-ray diffraction diffractometer (XRD), field emission scanning electron microscopy (FE-SEM), TEM, thermal gravity analysis (TGA) and differential thermal analysis (DTA) analysis, XPS, and Fourier transform infrared spectra (FTIR) techniques.

TL;DR: In this paper, a low-pressure transport reaction route for black phosphorus was proposed, which represents an easy, non-toxic, fast and highly efficient method to achieve black phosphorus.

TL;DR: In this paper, the authors synthesize CeO 2 nanoplates by a hydrothermal reaction assisted by hexadecyltrimethylammonium bromide (CTAB) at 100-160°C.

TL;DR: In this article, the influence of the replacement of Sr by Ca on structural and luminescence properties of Eu2+-doped Sr2Si5N8 is reported, which shows high potential as a conversion phosphor for white-light LED applications due to similar absorption, conversion efficiency and thermal quenching behaviour for 465 nm excitation after the introduction of the Ca ion.

TL;DR: In this article, Nitrogen and cerium codoped TiO2 photocatalysts were prepared by a modified sol-gel process with doping precursors of cerium nitrate and urea, and characterized by X-ray diffraction (XRD), thermogravimetry-differential scanning calorimetry (TG-DSC), Xray photoelectron spectra (XPS) and ultraviolet-visible light diffuse reflectance spectra(UV-vis DRS).

TL;DR: In this paper, a brief overview is provided, focusing on Mn2+-doped II-VI semiconductor nanocrystals prepared by direct chemical synthesis and capped with coordinating surface ligands.

TL;DR: In this article, a hierarchical multilayered Bi2WO6 hierarchical multi-layer flower-like assembly is fabricated on a large scale by a simple hydrothermal method in the presence of polymeric poly(sodium 4-styrenesulfonate).

TL;DR: In this paper, single-walled carbon nanotubes (SWCNTs) were treated with sulfuric acid at 300°C to synthesize sulfonated SWCNT (s-SWCNNs), which were characterized by electron microscopy, infrared, Raman and X-ray photoelectron spectroscopy, and thermo analysis.

TL;DR: In this paper, the authors describe some emerging methods for studying nanoscale structure and discuss future directions and opportunities and draw attention to limitations and potential problems, as well as present some examples of recent successes.

TL;DR: Brock et al. as mentioned in this paper presented a review of the state-of-the-art in the field of transition metal phosphide nanoparticles (S.L. Brock, S.C. Perera, and K.L Stamm).

TL;DR: In this article, a SnO 2 hollow microspheres with diameters of 2-3μm and shell thickness of 60-140nm were also prepared using a H 2 O 2 -assisted route without any surfactant.

TL;DR: In this article, the influence of magnesium on the hydrogenation behavior of the (La,Mg) 2 Ni 7 alloys was studied using in situ synchrotron X-ray and neutron powder diffraction in H 2 /D 2 gas and pressure composition-temperature measurements.

TL;DR: In this paper, the preparation of silicated hydroxyapatite Ca 10 (PO 4 ) 6− x (SiO 4 ) x (OH) 2−x (SiHA) with 0⩽ x ⩽2 was investigated using a wet precipitation method followed by a heat treatment.

TL;DR: In this article, the structure of Li 2 M O 3 (M =Ir, Pt) was derived from the well-known Li-ion battery cathode material, LiCoO 2, through ordering of Li + and M 4+ ions in the layers that are exclusively occupied by cobalt.

TL;DR: In this article, a series of dye-modified TiO 2 photocatalysts were synthesized using dye Chrysoidine G (CG), tolylene-2,4-diisocyanate (TDI), as starting materials.

TL;DR: The concept of nanocrystal conversion chemistry, which involves the use of pre-formed nanoparticles as templates for chemical transformation into derivative solids, has emerged as a powerful approach for designing the synthesis of complex nanocrystalline solids.

TL;DR: In this article, the Isobaric molar heat capacities of rare earth oxides were determined by using differential scanning calorimetry from 130 to 860 K and the Debye temperatures as a function of absolute temperature were calculated for these compounds.

TL;DR: In this paper, a tungsten trioxide (WO{sub 3}) film was prepared by calcination from a precursor paste including suspended ammonium tungstate and polyethylene glycol.

TL;DR: In this article, it was shown that the activity is retained in propylammonium- (PA) or tetrabutyammonium (TBA) stabilized H{sub 2}K{sub 4}Nb{sub 6}O{sub 17} nanosheets.

TL;DR: In this article, the reactivities of a series of ternary and binary molybdenum nitrides have been compared for the catalytic synthesis of ammonia at 400°C and ambient pressure using a 3:1 H2:N2 mixture.

TL;DR: In this article, a series of novel orange-red-emitting phosphor compositions were synthesized and characterized by powder X-ray diffraction (XRD), diffuse reflectance spectroscopy (DRS), and photoluminescence studies on Eu3+-doped double perovskites with the formula A2CaWO6 (A=Sr, Ba).

TL;DR: The correlation between diffuse reflectance spectra and structural features of the haematite samples is reported and discussed in this paper, where the trigonal distortion (C3v point group) of the Fe3+ octahedral sites, which depends on the synthesis route and thermal treatment, was investigated by X-ray diffraction, Mossbauer spectroscopy and visible-near infrared (Vis-NIR).

TL;DR: In this paper, the complete substitution of CaAlSiN{sub 3} with Sr{sup 2+} with red-emitting phosphor was performed by synthesis at high N{sub 2} gas pressure, analyzed the crystal structure by single-crystal X-ray diffraction, and characterized the photoluminescent properties.

TL;DR: In this article, the photoluminescence properties of Zn0.80MoO4:Eu0.203+ were investigated by solid-state reaction and the results indicated that the obtained Zn 0.203 + is an efficient red-emitting phosphor for LED applications.

TL;DR: Rietveld analysis of the powder X-ray diffraction of a new layered oxyarsenide, LaNiOAs, which was synthesized by solid-state reactions, revealed that it belongs to the tetragonal ZrCuSiAs-type structure and is composed of alternating stacks of La-O and Ni-As layers.

TL;DR: CeO2 and Ce1-xMxO2-delta have been synthesized by hydrothermal method using diethylenetriamine (DETA) and melamine as complexing agents.

TL;DR: In this article, the authors investigated the thermoelectric properties of polycrystalline La1−xSrxCoO3, where Sr2+ is substituted in La3+ site in perovskite-type LaCoO 3.

TL;DR: In this paper, a hot-forged Bi2S2.90 sample showed the highest ZT=0.11 (at 523 K), which is higher than the reported value.