نتایج جستجو برای: pec films

تعداد نتایج: 92621  

Journal: :Journal of the American Chemical Society 2014
William D Chemelewski Heung-Chan Lee Jung-Fu Lin Allen J Bard C Buddie Mullins

Reaching the goal of economical photoelectrochemical (PEC) water splitting will likely require the combination of efficient solar absorbers with high activity electrocatalysts for the hydrogen and oxygen evolution reactions (HER and OER). Toward this goal, we synthesized an amorphous FeOOH (a-FeOOH) phase that has not previously been studied as an OER catalyst. The a-FeOOH films show activity c...

2017
Xuefeng She Zhuo Zhang

In this study, ZnFe2O4 (ZFO) nanotapers are fabricated on the ZnO nanorods (NRs) by recycling rare-earth oxide (REO) slag as the iron source, which thereby exhibits dramatically enhanced photoelectrochemical (PEC) efficiency. Our studies demonstrate that the electron-hole separation and charge migration can be facilitated by the cascade band alignment of ZFO and ZnO and the branched nanotaper s...

Journal: :Optics express 2010
Tiancheng Han Cheng-Wei Qiu

We propose a novel kind of trapeziform cloak requiring only homogeneous anisotropic materials. Large-scale flat cloaks can be degenerated from the general trapeziform cloak with PEC inner boundary, and be realized by isotropic nonmagnetic materials for optical frequencies with controlled index profiles and improved invisibility. With the support of PEC inner boundary, large vehicles and objects...

Journal: :Chinese Journal of Catalysis 2022

This work describes a simple yet powerful scalable solution chemistry strategy to create back-contact rich interfaces between substrates such as commercial transparent conducting fluorine-doped tin oxide coated glass (FTO) and photoactive thin films hematite for low-cost water oxidation reaction. High-resolution electron microscopy (SEM, TEM, STEM), atomic force (AFM), elemental chemical mappin...

Journal: :American journal of physiology. Renal physiology 2016
Bairbre A McNicholas Diana G Eng Julia Lichtnekert Peter S Rabinowitz Jeffrey W Pippin Stuart J Shankland

Parietal epithelial cell (PEC) response to glomerular injury may underlie a common pathway driving fibrogenesis following podocyte loss that typifies several glomerular disorders. Although the mammalian target of rapamycin (mTOR) pathway is important in cell homeostasis, little is known of the biological role or impact of reducing mTOR activity on PEC response following podocyte depletion, nor ...

Journal: :The Journal of chemical physics 2013
Hiroyuki Nakashima Hiroshi Nakatsuji

Although the concept of a potential energy curve (PEC) originates from the outgrowth of the Born-Oppenheimer (BO) approximation, we propose the application of analysis methods for the physical PEC with non-Born-Oppenheimer (non-BO) wave functions. A numerical examination was performed with the highly accurate non-BO vibronic wave functions of hydrogen molecular ion, which were obtained in our p...

2005
KOSZINOWSKI F. KRUSE R. THOMSSEN

The action of peritoneal exudate cells (PEC) from normal and vaccinia virus infected mice on infectious vaccinia virus particles was investigated in vitra. PEC from immune mice showed a significantly higher infectivity titre reduction (virus clearance, VC) than normal cells. This effect could be clearly attributed to the macrophage. Vaccinia virus multiplied in PEC from normal animals while the...

Journal: :Journal of psychiatric practice 2011
Vicki A Nejtek Sarah Hardy James R Hall A Scott Winter

BACKGROUND Agitation and aggression are common behaviors that often lead to psychiatric emergency center (PEC) admission of nursing home patients with dementia or Alzheimer's disease. However, few if any data are available that adequately describe characteristics and psychosocial triggers of agitation and aggression leading to transport and admission to a PEC. METHODS A preliminary investigat...

2015
Tom Bosserez Jan van Humbeeck Johan Martens

Solar driven water splitting can be achieved by coupling electrolyzers with PhotoVoltaics (PV). Integration of both functions in a compact PhotoElectroChemical (PEC) cell is an attractive option but presents significant scientific challenges. In this work, the design of singleand dualcompartment PEC cells for research purposes is discussed. The fabrication of separator-electrode assemblies is a...

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