PROSPECTIVES Toward bioimplantable and biocompatible …
spherical solar cell is demonstrated, which is capable of capturing light three-dimensionally. The proposed cell architecture is based on monocrystalline silicon and is fabricated using a corrugation technique. The spherical cell shows an increase in power output by up to 101% 865 with respect to a traditional flat cell with the same projection ...
Enhancing the Efficiency of Silicon-Based Solar Cells by the Piezo ...
A small increase in the efficiency of silicon based solar cell has huge economic impact and practical importance. ... [18][19][20]. Previous works on photovoltaic-piezoelectric [21], triboelectric ...
Enhancing the Efficiency of Silicon-Based Solar Cells by the …
max, 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
Photovoltaic technologies for flexible solar cells: beyond silicon
1. Introduction. As interest in the global warming problem has increased, energy conversion devices have been extensively researched for renewable energy production such as solar energy, wind power, hydroelectric energy, and biomass energy [[1], [2], [3]].Among them, photovoltaic (PV) devices are considered the most likely …
Energies | Free Full-Text | Development of a Tree-Shaped Hybrid …
This paper reports on the feasibility of a tree-shaped hybrid nanogenerator (TSHG) made of flexible sheets of photovoltaic (PV) and piezoelectric (piezo) films for harnessing both wind and solar energy. The proposed system has been designed to produce electricity if there is any light, wind or strong rainfall. It shows how …
III-Nitride/Si Tandem Solar Cell for High Spectral Response: Key ...
The key attributes of double hetero junction tandem solar cell based on III-Nitride alloys and silicon is investigated thoroughly. GaN/InGaN/GaN based tandem solar cells are predicting impressive efficiency, however due to its high cost; it is far from immediate implementation. Hence, an attempt is made to realize GaN/InGaN on …
From fundamentals to future challenges for flexible piezoelectric ...
Flexible piezoelectric actuators are potentially valuable components in applications ranging from wearable devices to aerospace engineering. Here, Gao et al. …
Enhanced piezoelectric properties and phase transition in PZT ceramics ...
For 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 …
Toward Ecofriendly Piezoelectric Ceramics—Reduction of Energy …
Multilayer piezoelectric ceramics made with LTCC and ULTCC technologies not only contribute to potentially reduced energy consumption but also to ecofriendly operation in …
Piezoelectric ceramics: Advanced applications in electrochemical …
Piezoelectric ceramics are widely used in electrical, electronic, biomedical, and electrochemical applications due to high voltage output. In this chapter, …
Piezoelectric lead zirconate titanate as an energy material: A …
When 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 …
Ferroelectric and photovoltaic properties of (Ba, Ca)(Ti, Sn, Zr)O3 ...
Moreover, Sn and Ca co-doped BaTiO 3 ceramics show excellent dielectric and piezoelectric properties compared with KNBNNO ceramics [24], which is beneficial to the study of photovoltaic properties. In this study, a narrower E g (2.58 eV) and a larger P r (9.25 μC cm −2 ) were obtained by adjusting the Zr 4+ content in BCTSZ 0.06 …
Enhancing the Efficiency of Silicon-Based Solar Cells by the …
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
Piezotronics and piezo-phototronics for adaptive electronics and ...
The piezo-phototronic coupling between polarization charges and photogenerated carriers can further modulate the optoelectronic process in silicon-based …
Glass-ceramic covers for highly efficient solar cells
Placing 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 ...
Large polarization-dependent photovoltages in ceramic BaTiO3
Piezoelectric ceramics are smart materials that upon mechanical deformation produces electrical signal. Piezoelectric ceramics have the advantage of shape flexibility and high polarization with desirable properties. ... albeit being still in its early stage, is a promising technology. Unlike conventional silicon solar cell technology, the ...
A novel multi-channel silicon-based piezoelectric ...
Figures 1(a) and (b) show the structural principle and 3D exploded drawing of multi-channel silicon-based piezoelectric micropump with active piezoelectric valve array, respectively. Table 1 lists corresponding geometrical parameters. From figure 1(a), the proposed multi-channel silicon-based piezoelectric micropump with active …
High-Performance Piezoelectric Crystals, Ceramics, and Films
Piezoelectric materials convert between electrical and mechanical energies such that an applied stress induces a polarization and an applied electric field induces a strain. This …
A piezoelectric ceramic is a mass of perovskite crystals. Each crystal is composed of a small, tetravalent metal ion placed inside a lattice of larger divalent metal ions and O 2, as shown in Fig. 2.2. To prepare a piezoelectric ceramic, fine powders of the component metaloxides are mixed in specific proportions.
Integrated solar PV and piezoelectric based torched fly ash tiles …
Energy harvesting by piezoelectric power production has drawn significant interest among other potential sensors [65] s capacity to transform applied strain energy into useable electric power and the simple system made a way to incorporate the piezoelectric sensors for power harvesting [32].Buildings'' ability to produce their power is …
Output Performance of a Road Energy Harvester Based on Piezoelectric ...
Fabrication of Energy Harvester Unit Based on Recycled Piezoelectric Ceramics. The drum transducer proposed by Wang et al. is a piezoelectric transducer structure and offers superior energy performance in field tests. 9 This drum transducer adopts PZT-5H ceramics, which have higher polarization resistance and lower dielectric …
State-of-art review on smart perovskites materials: properties and ...
Materials science has played a very crucial role in developing new technologies so far that could probably address the challenges of economic and ecological sustainability soon. In the field of advanced materials, perovskite oxides stand out to provide a clean environment, ensure enough clean energy, and sanitized water, and provide resources for industrial …
