Engineering silicon crystals for photovoltaics

CrystEngComm ◽  
2016 ◽  
Vol 18 (9) ◽  
pp. 1474-1485 ◽  
Author(s):  
C. W. Lan ◽  
C. F. Yang ◽  
A. Lan ◽  
M. Yang ◽  
A. Yu ◽  
...  

In this highlight, we review the recent engineering efforts in the state-of-the art industrial production of customized silicon crystals, including quasi-mono and multi-crystalline silicon (mc-Si).

2020 ◽  
Vol 9 (11) ◽  
pp. e71391110272
Author(s):  
João Victor da Cunha Oliveira

It is noticeable the increase in the demand for non-renewable raw materials for applications in the most varied segments of civil construction, which in fact causes more significant damage to the environment, whether through the waste generated during extraction, during use, or after use. In this sense, this work aims to present the state-of-the-art corresponding to the concretes currently developed, emphasizing those of a sustainable scope that corroborate the ecological proposal in the use of residues and/or tailings from different sectors of industrial production, in order to partially settle the slag produced by converting them into raw materials for reuse. The increase in proposals to mitigate environmental impacts with a focus on using these wastes becomes evident. The corresponding study area requires greater expansion of the employment possibilities for improving the technique of incorporating waste into concrete with due observance of the dosage, consumption, packing factor when necessary, density of materials involved, and application aspect of the composite.


Author(s):  
T. A. Welton

Various authors have emphasized the spatial information resident in an electron micrograph taken with adequately coherent radiation. In view of the completion of at least one such instrument, this opportunity is taken to summarize the state of the art of processing such micrographs. We use the usual symbols for the aberration coefficients, and supplement these with £ and 6 for the transverse coherence length and the fractional energy spread respectively. He also assume a weak, biologically interesting sample, with principal interest lying in the molecular skeleton remaining after obvious hydrogen loss and other radiation damage has occurred.


2003 ◽  
Vol 48 (6) ◽  
pp. 826-829 ◽  
Author(s):  
Eric Amsel
Keyword(s):  

1968 ◽  
Vol 13 (9) ◽  
pp. 479-480
Author(s):  
LEWIS PETRINOVICH
Keyword(s):  

1984 ◽  
Vol 29 (5) ◽  
pp. 426-428
Author(s):  
Anthony R. D'Augelli

1991 ◽  
Vol 36 (2) ◽  
pp. 140-140
Author(s):  
John A. Corson
Keyword(s):  

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