Results 41 to 50 of about 5,112,258 (199)

Photonics in photovoltaic systems [PDF]

, 2008
This paper gives an overview on photonics for photovoltaic systems. Starting from the spectral and angular distribution of the electromagnetic radiation from the sun, many important optical approaches how to improve the efficiency of solar cells are ...
Andreas Gombert, Luque López, Antonio, Gambert, Andreas, Antonio Luque   +3 more
core   +1 more source

Physical and Chemical Approaches of Photovoltaic Parameters in Dye-Sensitized Solar Cells to ZnO/ZnS:rGO-Based Photoelectrodes

Applied Sciences
This study proposes an alternative process for obtaining ZnO/ZnS:rGO heterostructures for use in DSSCs and as promising materials for potential applications in other photonic process, such as photocatalysis and photodetection.
Thiago Kurz Pedra, Ramon Dadalto Carvalho, Cristian Dias Fernandes, Luciano Timm Gularte, Carolina Ferreira de Matos Jauris, Eduardo Ceretta Moreira, Mateus Meneghetti Ferrer, Cristiane Wienke Raubach, Sérgio da Silva Cava, Pedro Lovato Gomes Jardim, Elson Longo, Mario Lucio Moreira   +11 more
doaj   +1 more source

Novel MPPT method based on large variance GA-RBF

The Journal of Engineering, 2019
The photoelectric conversion efficiency of photovoltaic cells is mainly affected by temperature and irradiance. In order to promote the development of photovoltaic power generation, it is necessary to improve the photoelectric conversion efficiency of ...
Zhang Jing, Liu Ning, Xu Jiabin, Zhao Shengfang, Xu Yan   +4 more
doaj   +1 more source

Research on Defect Detection in Lightweight Photovoltaic Cells Using YOLOv8-FSD

Sensors
Given the high computational complexity and poor real-time performance of current photovoltaic cell surface defect detection methods, this study proposes a lightweight model, YOLOv8-FSD, based on YOLOv8.
Chao Chen, Zhuo Chen, Hao Li, Yawen Wang, Guangzhou Lei, Lingling Wu   +5 more
doaj   +1 more source

Porous silicon multitexture for photoelectric converter structures of solar energy [PDF]

Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2009
The possibility of creation of porous silicon’s multitexture, as material of structure of photoelectric converter (FEC) is shown. The morphological elements of porous silicon are considered relative to different pore parameters.
Yerokhov V. Yu., Druzinin A. O.
doaj  

Changes in the characteristics of silicon photovoltaic cells of solar arrays after current overloads

Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2019
Recently, much attention has been paid to the study of the influence of current overloads and local overheating on the degradation of the electrical characteristics of the photovoltaic components of solar arrays.
Alexander Ivanchenko, Alexander Tonkoshkur   +1 more
doaj   +1 more source

Simulation of the effects of global irradiance, ambient temperature and partial shading on the output of the photovoltaic module using MATLAB/Simulink and ICAP/4 [PDF]

, 2012
This thesis is investigates the effects of operating conditions on the output of a photovoltaic module and describes methods used for maximising the power output of the module.
Polyanskaya, Evgeniya
core  

Photovoltaic sample-and-hold circuit enabling MPPT indoors for low-power systems [PDF]

, 2012
Photovoltaic (PV) energy harvesting is commonly used to power autonomous devices, and maximum power point tracking (MPPT) is often used to optimize its efficiency. This paper describes an ultra low-power MPPT circuit with a novel sample-and-hold and cold-
Weddell, Alex S., Merrett, Geoff V., Al-Hashimi, Bashir M.   +2 more
core   +1 more source

Recursive Curve Modeling of I-V Curve for A-Si Photovoltaic Cells

Journal of Harbin University of Science and Technology
To explore an accurate and simple method for fitting the I-V characteristics of photovoltaic cells, two recursive curves were used to characterize the output characteristics of different types of photovoltaic cells.
FU Zhen, SHI Nan, ZHU Xianhui, LIU Zhongwu   +3 more
doaj   +1 more source

Synthesis of thienyl analogues of PCBM and investigation of morphology of mixtures in P3HT

Beilstein Journal of Organic Chemistry, 2008
Novel [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) analogues containing benzo[b]thiophene (3a, 3b) and thieno[3,2-b]thiophene (3c, 3d) were synthesized and characterized.
Fukashi Matsumoto, Kazuyuki Moriwaki, Yuko Takao, Toshinobu Ohno   +3 more
doaj   +1 more source