Abstract In this paper, a coupled optical-electrical modeling method is applied to simulate perovskite solar cells (PSCs) find ways improve light absorption by the active layer and ensure that generated carriers are collected effectively. Initially, planar structure of PSC investigated its optical losses determined. To reduce enhance collection efficiency, convex light-trapping configuration used impacts these nanostructures on all parts cell investigated. nanostructured PSC, power...

Abstract For the first time, an all-dielectric metasurface ultra-sensitive refractive index (RI) sensor with very high quality factor (QF) and figure of merit (FOM), Fano-magnetic toroidal quadrupole (MTQ) resonance enabled by bound state in continuum (BIC) terahertz (THz) region was designed. Furthermore, MTQ THz due to a distortion symmetry-protected states designed structure investigated. Also, achieve dark mode, combination three methods including (i) breaking symmetry, (ii) design...

Organic-inorganic heterojunction perovskite solar cells (PSCs) are of high interest due to their low manufacturing cost and higher power conversion efficiency (PCE). Hence, we study the opto-electro-thermal (OET) characteristics investigate optical carrier transport thermodynamic behaviors on PSC. In this research, electrical coupled behavior is investigated, results simulation in optimal state for nanoparticles (NPs) with a diameter 50 nm: short-circuit current ( <math...

In this paper, using finite element method (FEM) as a three-dimensional simulation, the light trapping mechanism due to use of plasmonic core/shell nanorod (PLCS-NR) array well its effect on absorption, generation, transfer carriers and power conversion efficiency (PCE) in perovskite solar cell (PSC) has been investigated. The short-circuit current density (Jsc) increased increase carrier generation rate PSC with light-trapping architecture under normal-angle sunlight (AM1.5G). Moreover, by...

So far, remarkable achievements have been obtained by optimizing the device architecture and modeling of solar cells is a precious very effective way to comprehend better description physical mechanisms in cells. As result, this study has inspected two-dimensional simulation perovskite (PSCs) achieve precise model. The solution which employed based on finite element method (FEM). First, periodically light trapping (LT) structure replaced with planar structure. Due that, power conversion...

We propose a new hole transport layer (HTL) in perovskite solar cell (PSC) using single-walled carbon nanotube (SWCNT) achieving power conversion efficiency (PCE) up to 19.98%, for the first time. Owing its exceptional quantum properties, this one-dimensional (1D) element is utilized order facilitate inside structure. Using (6, 5) SWCNT as HTL and MAPbI3 material on top of it main adsorbent layer, while colloidal dots (CQDs) lead sulfide (PbS-CQDs) with excellent absorption wavelength range...

Abstract The light absorption process is a key factor in improving the performance of perovskite solar cells (PSCs). Using arrays metal nanostructures on semiconductors such as (CH 3 NH PbI ), amount these layers significantly increased. Metal have been considered for their ability to excite plasmons (collective oscillations free electrons). Noble nanoparticles placed inside cells, by increasing scattering incident light, effectively increase optical PSCs; this turn increases electric...

Abstract The external quantum efficiency (EQE) of a perovskite-based light-emitting diode (PELED) is key indicator, comprising the internal (IQE) and light extraction (LEE). Currently, enhancing EQE faces major challenge in optimizing LEE. This study introduces an innovative structure to boost LEE, exploring various influencing parameters. transition from planar domical architecture leverages factors like waveguiding effect, resulting remarkable tenfold increase 6 59%. Additionally,...

Abstract In this paper, a nanostructured perovskite solar cell (PSC) on textured silicon substrate is examined, and its performance analyzed. First, configuration the simulated unit are discussed, fabrication method explained. proposed structure, poly-dimethylsiloxane (PDMS) used instead of glass. It shown that use PDMS dramatically reduces reflection from surface. Furthermore, light absorption found to be greatly increased due trapping plasmonic enhancement electric field in active layer....

Utilizing photonic nanostructures is a very efficient technique to capture light in broadband as well cheap and flexible method photovoltaic devices. In this article, the finite element (FEM) applied investigate novel structures for perovskite solar cells (PSCs) aiming find methods enhance absorption active layer. Initially, order boost energy harvesting, we propose bilayer heterojunction such way that CIGS layer incorporated underneath (CH3NH3PbI3) PSC absorb wider spectral region of power....

A new technique for analysing the time-domain response of carbon nanotube (CNT) interconnects, based on transmission line modelling, that takes effects both contact and fundamental (quantum) resistances into account is introduced. sixth-order linear parametric expression transfer function these lines has been presented first time. For verification purposes, step a driver–CNT bundle–load configuration 32 nm technology node, using HSPICE simulation have compared, with which obtained results...

In this study, a portable optical instrument was designed and developed for real-time nondestructive determination of fruit ripeness. A prototype the using inexpensive parts calibrated apple ripeness detection based on moisture content, soluble solids pH, firmness. An array six point sources (light-emitting diodes (LEDs) that emit light at 520-, 670-, 920-, 970-, 1050-, 1320-nm wavelengths) were selected visible/near infrarred (Vis/NIR) spectral analysis samples. The equipped with fibers,...

In this research study, the effects of different parameters on electron transfer rate from three quantum dots (QDs), CdSe, CdS, and CdTe, metal oxides (MOs), TiO2, SnO2, in quantum-dot-sensitized solar cells (QDSSCs) with porous structures presence four types blocking layers, ZnS, ZnO, Al2O3, are modeled simulated using Marcus theory tunneling between two spheres for first time. Here, studied include change type thickness layer, diameter QD, temperature effect. To model effect layer...

In this paper, the distinctive dispersion characteristic of hybrid plasmonic waveguides is exploited for designing ultra-wideband directional couplers. It shown that by using optimized geometrical dimensions waveguides, nearly wavelength-independent couplers can be achieved. These broadband are then used to design Mach-Zehnder-interferometer-based switches. Our simulation results show ultra-wide bandwidth ∼260 nm proposed plasmonic-waveguide-based switch. Further investigation Mach-Zehnder...