Materials Literature
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Juqun Xi,1 Jin Qin,2 Lei Fan21Department of Pharmacology, Yangzhou University Medical Academy, Yangzhou, People's Republic of China; 2School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, People's Republic of ChinaAbstract: Mesoporous silica nanoparticles (MSNs) have garnered a great deal of att…
Severe plastic deformation routes (SPD) have been shown to be attractive for short time preparation of magnesium alloys for hydrogen storage, generating refined microstructures and interesting hydrogen storage properties when compared to the same materials processed by high-energy ball milling (HEBM), but with the ben…
The mechanical properties of the silicon carbide (SiC) layer of the TRi-ISOtropic (TRISO) coated particle (CP) for high temperature gas reactors (HTGR) are performance parameters that have not yet been standardized by the international HTR community. Presented in this paper are the results of characterizing coated par…
We have proposed and fabricated new AlGaN/GaN high electron mobility transistors (HEMTs) employing charge accumulation in multiple Al 2 O 3 /Ga 2 O 3 stacks by rf-sputtering in order to increase the breakdown voltage and the threshold voltage ( V TH ). 10-nm-thick rf-sputtered Al 2 O 3 /Ga 2 O 3 stacks on the GaN cap,…
In this work we present a cell process for amorphous crystalline silicon heterojunction (SHJ) solar cells based on process steps well known in the photovoltaic industry. All amorphous silicon layers are deposited by plasma enhanced chemical vapor deposition (PECVD) in a one chamber direct plasma reactor working at a r…
Hole transport and other fundamental properties of defect fullerenes C 59 and C 69 were investigated using density functional theory calculations. C 59 and C 69 isomers without a four-membered ring and three neighboring five-membered rings are generally stable. Formation of a carbon vacancy in C 60 and C 70 slightly i…
Journal Article MAM volume 18 issue 5 Cover and Front matter Get access Microscopy and Microanalysis, Volume 18, Issue 5, 1 October 2012, Pages f1–f14, https://doi.org/10.1017/S1431927612013931 Published: 25 October 2012
Nondestructive Three-Dimensional Observation of the Electrolyte in a Dye-Sensitised Solar Cell Combined with the Local Photocurrent Dynamics, Kawata, Kentaro, Yoshizaki, Hiroki, Goto, Tomohisa, Kato, Kazuhiro, Renker, Sabine
We have investigated the fundamental optoelectronic properties of newly developed transparent conductive oxide (TCO) materials, e.g., titanium-doped indium oxide (InTiO). InTiO films, being deposited at 50 °C by the RF-magnetron-sputtering method followed by thermal annealing at 200 °C, show excellent optoelectronic p…
Oxygen diffusion phenomena in BaTiO 3 ceramics doped with Ho of 5.2 × 10 18 /cm 3 were studied in order to reveal the effect of reduction thermal annealing. The samples were reduced at 850 °C in a 3% H 2 –Ar atmosphere before the oxygen diffusion experiments. The oxygen diffusion was carried out in the temperature ran…
To achieve low cost solar cells, new fabrication processes should be developed for higher throughput and utilization rate. In this study, we focused on a sputtering method and found that a multinary compound ZnInS (II–III–VI) is suitable for this process. The ZnInS thin film deposited by sputtering had an n-type semic…
The correlation between the microstructure and the magnetization switching field of individual Co/Pt multilayer nanodots with Pt or Ta/Pt underlayers has been investigated by transmission electron microscopy and magnetic force microscopy. The insertion of a 2-nm-thick Ta underlayer promoted the Co/Pt [111] crystal axi…
Antimony-doped tin oxide (SnO 2 :Sb, ATO) films have been deposited on glass substrates using atmospheric pressure chemical vapor deposition (APCVD) method. The precursors are mixed with SnCl 4 , SbCl 5 , and O 2 to prepare the films. This study used synchrotron grazing incidence X-ray diffraction (GIXRD) to investiga…
We prepared and applied a-SiO x thin films to hydrogenated microcrystalline silicon solar cells (µc-Si:H) as a front antireflection layer (FAL) in order to reduce optical reflection loss. By inserting the optimized SiO x FAL with a refractive index of ∼1.75 into the glass/ZnO interface a relative increase in short-cir…
The ferrimagnetic glass-ceramic based on SrO-Na2O-Fe2O3-P2O5-SiO2 system was prepared for hyperthermia application using aqueous aolution-melt method. Using the aqueous solution solvent evaporation, we obtained the molecular-scale homogenously glass precursor. The precursor was completely melted in a lidded platinum c…
Rolling-contact-fatigue life is a key characteristic of bearings. Reliable bearings are expected to have long L10 life as a bearing performance index, as well as long commercial life without unexpected premature failure on any pieces of bearings in use. It has long been known that cleanliness is an important material…
Modelling of solar cells today is general practice in research and widely-used in industry. Established modelling software is typically limited to one dimension and/or to small scales. Additionally, novel effects, like, e.g., the use of diffractive structures or luminescent materials, are not established. In this pape…
Effect of the Low-Temperature Annealing on Zn-Doped Indium–Tin-Oxide Films for Silicon Heterojunction Solar Cells, Lee, Seunghun, Lee, Jong-Han, Tark, Sung Ju, Choi, Suyoung, Kim, Chan Seok, Lee, Jeong Chul, Kim, Won Mok, Kim, Donghwan
We sometimes observe poor internal quantum efficiency (IQE) in the long-wavelength region of p-type single-crystalline silicon (c-Si) solar cells having back-surface-field (BSF) layers made of p-type hydrogenated amorphous silicon (a-Si:H). We found that this poor IQE is caused by the appearance of a polycrystalline p…
In order to examine the effect of partial charges of dye molecules on charge recombination in dye-sensitized solar cells, we synthesized carbazole-based dyes with ether chains on a π-conjugated oligothiophene linker. The addition of negatively charged oxygen atoms on ether chains resulted in a decrease of electron lif…