Results 91 to 100 of about 70,419 (334)

Synthesis, Structure and Antioxidant Activity of Cyclohexene-Fused Selenuranes and Related Derivatives

open access: yesMolecules, 2015
Synthesis, structure and antioxidant activity of new cyclohexene-fused spiroselenuranes and a spirotellurane is reported. Oxidation reactions of bis(o-formylcyclohex- 1-ene)selenide/bis(2-hydroxymethylcyclohex-1-ene)selenide provide the corresponding ...
Poonam Rajesh Prasad   +2 more
doaj   +1 more source

Study of semiconductor heterojunctions of zinc selenide, gallium arsenide, and germanium [PDF]

open access: yes
Fabrication and properties of gallium arsenide and zinc selenide junctions with germanium, and of gallium arsenide-zinc selenide ...
Feucht, D. L., Milnes, A. G.
core   +1 more source

Technology challenges for space interferometry: the option of mid-infrared integrated optics

open access: yes, 2007
Nulling interferometry is a technique providing high angular resolution which is the core of the space missions Darwin and the Terrestrail Planet Finder. The first objective is to reach a deep degree of starlight cancelation in the range 6 -- 20 microns,
A. Pradel   +30 more
core   +4 more sources

Photoelectrochemical Hydrogen Production Using TiO2/Mn‐CdS Photoanode with ZnS Passivation and CoPi as Hole Transfer Relay

open access: yesAdvanced Sustainable Systems, EarlyView.
The electrode features TiO2 as a stable UV‐absorbing substrate, Mn‐doped CdS to extend light absorption into the visible range, ZnS to prevent CdS photocorrosion, and an outer cobalt phosphate (CoPi) that catalyzes oxygen evolution, efficiently enhancing hole transfer from the photoanode to the electrolyte.
Hwapyong Kim   +4 more
wiley   +1 more source

Tris(2-methoxyphenyl)phosphine selenide

open access: yesIUCrData, 2017
The title compound C21H21O3PSe, is comprised of a P atom in a distorted tetrahedral environment, attached to the selenium atom and three carbons from the phenyl rings. The phosphorus–selenium bond length is 2.1194 (11) Å.
Melina Raymundo   +2 more
doaj   +1 more source

Engineering Osteoimmune Responses with Functionalized Orthopedic Implants for Post‐Operative Osteosarcoma Treatment

open access: yesAdvanced Science, EarlyView.
Osteosarcoma is the most common primary bone tumor with limited treatment options and a terrible prognosis. This review provides a comprehensive summary of the recent development of osteoimmunomodulatory implants for post‐operative osteosarcoma treatment, of which the potential utility in evoking durable anti‐osteosarcoma immunity and accelerating bone
Yilong Dong   +6 more
wiley   +1 more source

A Novel Large Moment Antiferromagnetic Order in K0.8Fe1.6Se2 Superconductor

open access: yes, 2011
The discovery of cuprate high Tc superconductors has inspired searching for unconventional su- perconductors in magnetic materials. A successful recipe has been to suppress long-range order in a magnetic parent compound by doping or high pressure to ...
Bao, Wei   +7 more
core   +1 more source

Reaction Mechanism, Challenges, and Strategies of High‐Energy‐Density Sodium‐Ion Batteries

open access: yesAdvanced Science, EarlyView.
Focusing on high‐energy‐density sodium‐ion batteries, this review highlights the advantages offered by conversion‐type cathode materials. The currently studied cathode materials are systematically introduced. By analyzing sulfur, oxygen, and transition metal halides and other conversion‐type cathodes, the key challenges associated with these cathodes ...
Dan Yu   +8 more
wiley   +1 more source

Macroscopic phase segregation in superconducting K0.73Fe1.67Se2 as seen by muon spin rotation and infrared spectroscopy

open access: yes, 2012
Using muon spin rotation (\muSR) and infrared spectroscopy we investigated the recently discovered superconductor K0.73Fe1.67Se2 with Tc = 32 K. We show that the combined data can be consistently described in terms of a macroscopically phase segregated ...
A. Dubroka   +13 more
core   +1 more source

Hierarchical Hollow‐Microsphere Metal–Selenide@Carbon Composites with Rational Surface Engineering for Advanced Sodium Storage

open access: yesAdvanced Energy Materials, 2018
As a result of its high‐energy density, metal–selenides have demanded attention as a potential energy‐storage material. But they suffer from volume expansion, dissolved poly‐selenides and sluggish kinetics. Herein, utilizing' thermal selenization via the
P. Ge   +8 more
semanticscholar   +1 more source

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