نتایج جستجو برای: silicon solar cells
تعداد نتایج: 1552313 فیلتر نتایج به سال:
This chapter aims to provide students/engineers/scientists in the field of photovoltaics with the basic information needed to understand the operating principles of screen‐ printed front junction n‐type silicon solar cells. The relevant device fabrication process‐ ing is described, from texturing, diffusion, passivation and antireflection coating, to screen‐ printed and fired‐through metallizat...
Introduction Dye-sensitized solar cells (DSSCs) are widely recognized as a promising alternative and cost-effective technology for solar-toelectric energy conversion. Current silicon solar cells are limited due to their lack of flexibility, high cost of manufacturing and installation, and heavy weight. Alternatively, dye-sensitized solar cells have a very simple fabrication process, low fabrica...
Silicon Solar Cells In article number 2201512, Zengguang Huang and colleagues prepared Al-doped TiO2 (ATO) thin films by atomic-layers-deposited (ALD) technique. The were observed to possess the highest minority carrier lifetime of 253.0 μs a significantly low contact resistivity ρc 19.7 mΩ cm2 on solar-grade silicon. A efficiency 19.9% was obtained for an n-type c-Si solar cell with full-area ...
Historically, conventional solar cells were built from inorganic materials such as silicon. Although the efficiency of such conventional solar cells is high, very expensive materials and energy intensive processing techniques are required. Hybrid and photoelectrochemical (dye sensitized) solar cells have been the cheap alternatives for conventional silicon solar cells. A hybrid solar cell consi...
Related Articles Fluorescence enhancing under UV-NIR simultaneous-excitation in ZnS:Cu,Mn phosphors AIP Advances 2, 042172 (2012) Mode coupling by plasmonic surface scatterers in thin-film silicon solar cells Appl. Phys. Lett. 101, 221110 (2012) Error analysis for concentrated solar collectors J. Renewable Sustainable Energy 4, 063125 (2012) Effects of the Al cathode evaporation rate on the per...
We compare the efficiency of thin film photonic crystal solar cells consisting of conical pores and nanowires. Solving both Maxwell's equations and the semiconductor drift-diffusion in each geometry, we identify optimal junction and contact positions and study the influence of bulk and surface recombination losses on solar cell efficiency. We find that using only 1 lm of silicon, sculpted in th...
A non-vacuum processing method for preparing polymer-based ZrO2/TiO2 multilayer structure antireflection coating (ARC) films for crystalline silicon solar cells by spin coating is introduced. Initially, ZrO2, TiO2 and surface deactivated-TiO2 (SD-TiO2) based films were examined separately and the effect of photocatalytic properties of TiO2 film on the reflectivity on silicon surface was investi...
The high natural abundance of silicon, together with its excellent reliability and good efficiency in solar cells, suggest its continued use in production of solar energy, on massive scales, for the foreseeable future. Although organics, nanocrystals, nanowires and other new materials hold significant promise, many opportunities continue to exist for research into unconventional means of exploi...
This paper reviews the latest results in application and development of infrared imaging methods for fast and spatially resolved silicon solar cell characterization. Infrared imaging methods comprise electroluminescence (EL) imaging, photoluminescence (PL) imaging, and lock-in thermography (LIT). We report on new insights into the nature of local series resistances and important observations on...
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