Enhancing CO2 photoreduction over ZIF-based reticular materials by morphology control of Au plasmonic nanoparticles

Zeolitic imidazolate frameworks (ZIFs) are promising photocatalysts for CO2 reduction due to their proper energy band structure and crystalline properties. However, CO2 conversion is still low due to the serious...

Stirling-powered solar dish collector with compressed air energy storage system

At present time, the SE applied to solar dish reflectors is not competitive compared to other concentrated solar power technologies because Stirling CSP equipment has complex and expensive engines and does not have a proper energy storage system. This paper introduces Stirling solar dish technology, proposes a layout of a simple SE with compressed air storage system, and examines the total performance of the equipment.

Enhancing the Brightness of CsPbBr3 Quantum Dots Electroluminescence Light-Emitting Diodes through the Manipulation of PEDOT:PSS Films

With solution-processability, low-temperature proper energy level and superior stability, Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) is one common hole-transport material for the quantum dots light-emitting diodes (QLED) application. However, the conductivity of the...

Nakedly singular counterpart of Schwarzschild’s incompressible star. A barotropic continuity condition in the center

A static sphere of incompressible fluid with uniform proper energy density is considered as an example of exact star-like solution with weakened central regularity conditions characteristic of a nakedly singular spherical vaccuum solution. The solution is a singular counterpart of the Schwarzschild’s interior solution. The initial condition in the center for general barotropic equations of state is established.

LaCO3OH improving photocatalytic activity of In(OH)3/In2S3 heterostructures

Lanthanum hydroxycarbonate (LaCO3OH), a kind of fluorescence materials, was less studied in application for photocatalysis. In this paper, LaCO3OH/In(OH)3/In2S3 (LCO/IO/IS) heterostructures were firstly synthesized by a mild two-step hydrothermal method and investigated by various technologies. The activity of as-prepared samples was evaluated by the degradation of Rhodamine B (RhB) under visible light ([Formula: see text][Formula: see text]nm). When the content of LaCO3OH is 15[Formula: see text]mol.% (La/In), the obtained sample exhibits the highest performance, beyond two times as high as that of In(OH)3/In2S3. The improved photodegradation activity might be ascribed to higher adsorption capability and photosensitization of RhB due to proper energy structures of the heterostructures, which prompts the effective separation of electrons and holes. This work extends the application of rear earth salts (lanthanum hydroxycarbonate) for purification of dye waste water.

Energy Storage System in Smart Homes of Smart City

The Nanogrid utilizes renewable energy sources, e.g. Solar PV, Wind, etc; which are stochastic in nature. Due to this nature, power reliability is the main issue. To increase the reliability of the power supply and proper utilization of the available resources, Nanogrid should either connected to the utility grid directly or it must have the proper energy storage system. Energy storage system fills the gap between consumers demand and renewable power generation; which is very important issue in technical and economical consideration. The Nanogrid gives new hope of ray to the people living in off grid areas. By using energy storage system we can increase their living standard and enhance socio-economical development. This paper proposes the selection of the proper energy storage device and its calculation, control strategy also suggested for protecting storage device from over voltage and deep discharge.