Results 121 to 130 of about 636,755 (342)
Highly-efficient aperture array terahertz band-pass filtering
Optics Express, 2010 The array of pointed-shape apertures microfabricated in thin-film aluminum on a thick silicon substrate was designed to maximize the transmission efficiency at desired frequency. The resulted characteristics were over 100% optical transmission (relative to substrate) at narrow band-pass resonance and polarization-independent transmission strength and ...
Dmitry S, Bulgarevich +2 more
openaire +2 more sources
Advanced Functional Materials, EarlyView.HKUST‐1/TiO2 composite materials show a very high photocatalytic hydrogen evolution rate which increases as a function of the irradiation time until reaching a plateau and even surpasses the performance of the 1%Pt/TiO2 material after three photocatalytic cycles.
Alisha Khan +9 more
wiley +1 more source
Multiband Filter Design Using Generalized Mapping Functions and Synthesis with Lumped Resonators [PDF]
Radioengineering, 2020 In this paper, a new multiband frequency mapping function is proposed to design multiband filter. The presented mapping function is a generalized form of the sequential low pass to band pass (LPtoBP) transformation.
S. Yildiz +3 more
doaj
Miniaturized Band Pass Filter Design Using Half Mode Substrate Integrated Coaxial Resonators. [PDF]
Micromachines (Basel), 2022 Ho MH, Hsu CG, Tang KH, Hong W.
europepmc +1 more source
Design and characterisation of electromagnetic bandgap filters
, 2010 Most signal processing / communications applications heavily rely on filters. For adaptive spectrum filtering and for applications that switch between sets of different filter implementations, it would be beneficial to utilize just one, tuneable band ...
Herbertz, Kai, Herbertz, Kai
core +1 more source
Advanced Functional Materials, EarlyView.Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida +16 more
wiley +1 more source
An Improved Memristive Diode Bridge-Based Band Pass Filter Chaotic Circuit
, 2017 By replacing a series resistor in active band pass filter (BPF) with an improved memristive diode bridge emulator, a third-order memristive BPF chaotic circuit is presented.
Quan Xu +4 more
semanticscholar +1 more source
Advanced Functional Materials, EarlyView.By a simple anti‐Galvanic reaction, up to six copper atoms could be preferably doped into the Ag2(SR)5 staple motifs and Ag20 dodecahedral shell of an atomically precise Ag44(SR)30 nanocluster. When anatase TiO2 is used as substrate, the (AgCu)44/TiO2 photocatalyst exhibited much improved activity in photocatalytic CO2 reduction compared to Ag44/TiO2 ...
Ye Liu +5 more
wiley +1 more source
Advanced Functional Materials, EarlyView.Multifunctional atomic layer deposited coatings and interface treatments enhance direct solar water splitting on GaAs/GaInP tandem cells. Optimized TiO2/Pt nanoparticle bilayers ensure durability and catalytic efficiency with minimal optical losses, while H2 plasma pretreatments maximize photovoltage and interfacial charge extraction.
Tim F. Rieth +8 more
wiley +1 more source
DESIGN OF COMPACT WIDEBAND QMSIW BAND-PASS FILTER WITH IMPROVED STOPBAND
, 2017 A compact wideband quarter mode substrate integrated waveguide (QMSIW) band-pass filter with wide stopband performance is presented in this paper. Compared with conventional SIW cavity, the QMSIW cavity occupies only one fourth of the size. A meandered H-
Yudan Wu, G. Li, Wei Yang, Xue-xia Yang
semanticscholar +1 more source