study indicates that the piezo-phototronic effect can enhance the performance of a large-scale silicon-based solar cell, with great potential for industrial applications. KEYWORDS: silicon-based solar cell, ZnO nanowire array, light absorption, piezo-phototronic effect, piezopotential F or decades, the silicon-based solar cell has been
Learn MoreAuxetic piezoelectric effect in heterostructures
Learn MoreThe efficiency of the solar cell was improved from 8.97% to 9.51% by simply applying a static compress strain. This study indicates that the piezo-phototronic effect can enhance the performance of a large-scale silicon-based solar cell, with great potential for industrial applications.
Learn MoreThe major goal of this research was to develop a method for generating electrical energy from mechanical stress by combining piezoelectric devices with solar photovoltaic cells. Mechanically activated piezoelectric materials were found to produce a significant voltage spike but a minimal amount of current. The tile was designed for the …
Learn MoreMost piezoelectric materials are not interactive with visible light, meaning that their band gaps are beyond the photon energies of the visible part of the light spectrum.
Learn MoreAnother mechanism was discovered in noncentrosymmetric materials, such as ferroelectrics and is called the bulk photovoltaic effect (BPVE), which differs from the conventional junction-based interfacial photovoltaic effect in semiconductors, such as p–n junction or Schottky junction (Ji et al., 2010).Bulk ferroelectric photovoltaic effect …
Learn MoreThis paper presents a new structure of solar cells based on NEMS (Nano Electro Mechanical System) technology to eliminate dependence of cell to band gap energy and improve efficiency. In this paper, the process of converting solar energy to electrical energy using NEMS solar cell, which is able to convert the thermal to mechanical energy …
Learn MoreThis symmetry breaking is associated with a variety of emergent functionalities, including piezoelectric, pyroelectric and bulk photovoltaic effects, for …
Learn MoreFor decades, improving the piezoelectric properties of piezoelectric materials is one of the key research directions. In this paper, a novel co-doping acceptor-donor (Li +-Sm 3+) method is proposed to enhance the piezoelectric properties of PbZr 0.52 Ti 0.48 O 3 (PZT) ceramics. Compared with our previous works, the difference are …
Learn MorePb(Zr, Ti)O 3 (PZT)-based perovskite piezoceramics have been widely utilized as piezoelectric transformers, sensors, actuators, and other applications in light of their excellent electrical properties and low cost. 1,2 However, the conventional sintering temperature for PZT-based piezoelectric piezoceramics is approximately 1200°C. At this …
Learn MoreA comprehensive review on the state-of-the-art ...
Learn Morea The dielectric behaviour of KNN-Bi,Sb,Zr (multi-element doped KNN) ceramic over a temperature range of 130–700 K. b The dielectric and c piezoelectric properties of the multi-elements and ...
Learn Moremax, 2 s p N N S R and R p and ''R p can be obtained from references according to the given energy E.8-10 For this heavy-doped n+-Si solar cell with implanted energy of 80 KeV and dose of 1015 cm-2, one can get R p 97.4 nm and '' R p 36.7 nm. And for the light-doped n-Si solar cell with implanted energy of 40 KeV and dose of 1.5 ×1011 cm-2, one can get R
Learn MoreThe piezo-phototronic coupling between polarization charges and photogenerated carriers can further modulate the optoelectronic process in silicon-based …
Learn MorePlacing an annealed glass ceramic on top of a conventional silicon solar cell and comparing the corresponding short-circuit current to that of a cell without a cover glass gives a higher short-circuit current, especially for the UV spectral region. That is, the downshifting glass ceramic leads to enhancement of solar-cell efficiency in the UV ...
Learn MoreWhen lead zirconate (PbZrO 3) and lead titanate (PbTiO 3) are combined, they exist as a single solid state solution called lead zirconate titanate (PZT) [1].This material belongs to the category of piezoelectric materials. Generally when a piezoelectric material system is under the mechanical influence externally, it creates electrical voltage across its …
Learn Moremakes the photovoltaic (solar) materials one of the most significant alternative energy harvesters. This chapter will contain the statistics for solar cell production in EU countries between 2000 and 2010 and also the electricity generated by photovoltaic cells in Europe in 2010 will also be highlighted.
Learn MorePiezoelectric materials convert between electrical and mechanical energies such that an applied stress induces a polarization and an applied electric field induces a strain. This …
Learn MoreThere are three typical lead-free piezoelectric ceramics that have gained a lot of attention, including (Na 0.5 Bi 0.5)TiO 3-BaTiO 3 (NBT-BT) ceramic (K 0.5 Na 0.5)NbO 3 (KNN) based ceramic, and BaTiO 3 (BT) ceramic, which are considered as possible substitutes for lead-based ceramics. The following section summaries the lead …
Learn MoreLead Titanate (PbTiO 3). Lead-based piezoelectric materials are all derivatives of lead titanate (PbTiO 3, PT) which is actually not commercially used, but it can be modified and converted into high-performance piezoelectric materials through solid solutions.At room temperature PT exhibits a tetragonal crystal perovskite structure with ferroelectric …
Learn MorePerovskite single crystals: Synthesis, properties, and ...
Learn MoreMultilayer piezoelectric ceramics made with LTCC and ULTCC technologies not only contribute to potentially reduced energy consumption but also to ecofriendly operation in …
Learn MoreProbing the energy conversion process in piezoelectric ...
Learn MoreContact Us