Two-dimensional series connected photovoltaic cells defined by ferroelectric domains

2020 ◽  
Vol 116 (7) ◽  
pp. 073101 ◽  
Author(s):  
Guangjian Wu ◽  
Xudong Wang ◽  
Yan Chen ◽  
Shuaiqin Wu ◽  
Hong Shen ◽  
...  
Keyword(s):  
Photovoltaic Cells ◽  
Two Dimensional ◽  
Ferroelectric Domains ◽  
Dimensional Series

Asymptotic expansions for solitary gravity-capillary waves in two and three dimensions

2009 ◽  
Vol 465 (2109) ◽  
pp. 2725-2749 ◽  
Author(s):  
M. J. Ablowitz ◽  
T. S. Haut
Keyword(s):  
Surface Tension ◽  
Solitary Wave ◽  
Solitary Waves ◽  
Asymptotic Series ◽  
High Order ◽  
Three Dimensions ◽  
Two Dimensional ◽  
Small Surface ◽  
Petviashvili Equation ◽  
Dimensional Series

High-order asymptotic series are obtained for two- and three-dimensional gravity-capillary solitary waves. In two dimensions, the first term in the asymptotic series is the well-known sech 2 solution of the Korteweg–de Vries equation; in three dimensions, the first term is the rational lump solution of the Kadomtsev–Petviashvili equation I. The two-dimensional series is used (with nine terms included) to investigate how small surface tension affects the height and energy of large-amplitude waves and waves close to the solitary version of Stokes’ extreme wave. In particular, for small surface tension, the solitary wave with the maximum energy is obtained. For large surface tension, the two-dimensional series is also used to study the energy of depression solitary waves. Energy considerations suggest that, for large enough surface tension, there are solitary waves that can get close to the fluid bottom. In three dimensions, analytic solutions for the high-order perturbation terms are computed numerically, and the resulting asymptotic series (to three terms) is used to obtain the speed versus maximum amplitude curve for solitary waves subject to sufficiently large surface tension. Finally, the above asymptotic method is applied to the Benney–Luke (BL) equation, and the resulting asymptotic series (to three terms) is verified to agree with the solitary-wave solution of the BL equation.

Deflection Control of a Corner-Supported Plate Using Segmented In-Plane Actuators

Aerospace ◽  
2004 ◽  
Author(s):  
Hartono Sumali ◽  
Jordan E. Massad ◽  
Pavel M. Chaplya ◽  
Jeffrey W. Martin
Keyword(s):  
Inverse Problem ◽  
Electric Field ◽  
Series Expansion ◽  
Field Distribution ◽  
Piezoelectric Actuator ◽  
Electric Field Distribution ◽  
Two Dimensional ◽  
Plate Shape ◽  
Dimensional Series ◽  
Plate Deflection

This paper describes an array of in-plane piezoelectric actuator segments laminated onto a corner-supported substrate to create a thin bimorph for reflector applications. An electric field distribution over the actuator segments causes the segments to expand or contract, thereby effecting plate deflection. To achieve a desired bimorph shape, the shape is first expressed as a two-dimensional series expansion. Then, using coefficients from the series expansion, an inverse problem is solved that determines the electric field distribution realizing the desired plate shape. A static example is presented where the desired deflection shape is a paraboloid.

Ferroelectric Domains May Lead to Two-Dimensional Confinement of Holes, but not of Electrons, in CH3NH3PbI3 Perovskite

2017 ◽  
Vol 121 (48) ◽  
pp. 26698-26705 ◽  
Author(s):  
Ana L. Montero-Alejo ◽  
E. Menéndez-Proupin ◽  
P. Palacios ◽  
P. Wahnón ◽  
J. C. Conesa
Keyword(s):  
Two Dimensional ◽  
Ferroelectric Domains

Two-dimensional π-conjugated molecules based-on 2,6,9,10-tetra(prop-1-yn-1-yl)anthracene and their application to solution-processed photovoltaic cells

2014 ◽  
Vol 15 (7) ◽  
pp. 1521-1530 ◽  
Author(s):  
Jicheol Shin ◽  
Nam Su Kang ◽  
Tae Wan Lee ◽  
Min Ju Cho ◽  
Jae Min Hong ◽  
...  
Keyword(s):  
Photovoltaic Cells ◽  
Two Dimensional ◽  
Conjugated Molecules ◽  
Solution Processed

scholarly journals Two-Dimensional Materials for Advanced Solar Cells

2021 ◽  
Author(s):  
Manoj Kumar Singh ◽  
Pratik V. Shinde ◽  
Pratap Singh ◽  
Pawan Kumar Tyagi
Keyword(s):  
Solar Cells ◽  
Crystalline Silicon ◽  
2D Materials ◽  
Photovoltaic Cells ◽  
Native Oxide ◽  
Two Dimensional ◽  
Crystalline Silicon Solar Cells ◽  
Recent Developments ◽  
Indirect Band Gap ◽  
The Cost

Inorganic crystalline silicon solar cells account for more than 90% of the market despite a recent surge in research efforts to develop new architectures and materials such as organics and perovskites. The reason why most commercial solar cells are using crystalline silicon as the absorber layer include long-term stability, the abundance of silicone, relatively low manufacturing costs, ability for doping by other elements, and native oxide passivation layer. However, the indirect band gap nature of crystalline silicon makes it a poor light emitter, limiting its solar conversion efficiency. For instance, compared to the extraordinary high light absorption coefficient of perovskites, silicon requires 1000 times more material to absorb the same amount of sunlight. In order to reduce the cost per watt and improve watt per gram utilization of future generations of solar cells, reducing the active absorber thickness is a key design requirement. This is where novel two-dimensional (2d) materials like graphene, MoS2 come into play because they could lead to thinner, lightweight and flexible solar cells. In this chapter, we aim to follow up on the most important and novel developments that have been recently reported on solar cells. Section-2 is devoted to the properties, synthesis techniques of different 2d materials like graphene, TMDs, and perovskites. In the next section-3, various types of photovoltaic cells, 2d Schottky, 2d homojunction, and 2d heterojunction have been described. Systematic development to enhance the PCE with recent techniques has been discussed in section-4. Also, 2d Ruddlesden-Popper perovskite explained briefly. New developments in the field of the solar cell via upconversion and downconversion processes are illustrated and described in section-5. The next section is dedicated to the recent developments and challenges in the fabrication of 2d photovoltaic cells, additionally with various applications. Finally, we will also address future directions yet to be explored for enhancing the performance of solar cells.

Two-dimensional observation of the Maker fringe and its application to the poling state evaluation of ferroelectric domains

1997 ◽  
Vol 36 (3) ◽  
pp. 602 ◽  
Author(s):  
Yuichiro Yamamoto ◽  
Tetsuro Ashida ◽  
Sunao Kurimura ◽  
Yoshiaki Uesu
Keyword(s):  
Two Dimensional ◽  
State Evaluation ◽  
Ferroelectric Domains ◽  
Maker Fringe
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