The Renaissance of Iron Pyrite Photovoltaics: Progress, Challenges, and Perspectives

2014 ◽  
pp. 137-166 ◽  
Author(s):  
Alec Kirkeminde ◽  
Maogang Gong ◽  
Shenqiang Ren
Keyword(s):  
Iron Pyrite

Structure of stacking faults in pyrite using TEM techniques

1992 ◽  
Vol 50 (1) ◽  
pp. 358-359
Author(s):  
Raja Subramanian ◽  
Kenneth S. Vecchio
Keyword(s):  
Lattice Structure ◽  
Stacking Faults ◽  
Covalent Bond ◽  
Group Symmetry ◽  
Iron Pyrite ◽  
Dislocation Glide ◽  
Partial Dislocations ◽  
Transmission Electron ◽  
Contrast Analysis ◽  
Chlorine Ions

The structure of stacking faults and partial dislocations in iron pyrite (FeS2) have been studied using transmission electron microscopy. Pyrite has the NaCl structure in which the sodium ions are replaced by iron and chlorine ions by covalently-bonded pairs of sulfur ions. These sulfur pairs are oriented along the <111> direction. This covalent bond between sulfur atoms is the strongest bond in pyrite with Pa3 space group symmetry. These sulfur pairs are believed to move as a whole during dislocation glide. The lattice structure across these stacking faults is of interest as the presence of these stacking faults has been preliminarily linked to a higher sulfur reactivity in pyrite. Conventional TEM contrast analysis and high resolution lattice imaging of the faulted area in the TEM specimen has been carried out.

All inorganic iron pyrite nano-heterojunction solar cells

Nanoscale ◽  
2012 ◽  
Vol 4 (24) ◽  
pp. 7649 ◽  
Author(s):  
Alec Kirkeminde ◽  
Randall Scott ◽  
Shenqiang Ren
Keyword(s):  
Solar Cells ◽  
Iron Pyrite ◽  
Heterojunction Solar Cells

Child Abuse

PEDIATRICS ◽  
1990 ◽  
Vol 86 (5) ◽  
pp. 805-806
Author(s):  
ALLAN R. DE JONG ◽  
MIMI ROSE
Keyword(s):  
Sexual Abuse ◽  
Child Abuse ◽  
Sensitivity And Specificity ◽  
Gold Standard ◽  
Child Protective Services ◽  
Iron Pyrite ◽  
Protective Services ◽  
Physical Evidence

In Reply.— We thank Dr Smith for his interesting perspective regarding screening for child abuse. We had hoped our article would help physicians focus on the verbal evidence of abuse and show how insensitive the physical evidence is in predicting which child had been abused sexually. To apply the principles of sensitivity and specificity to the assessment of child abuse or sexual abuse, we must have a gold standard which characterizes these problems. Neither a child protective services decision nor a legal determination of "no proven abuse" can be used as a gold standard, unless we can accept a "gold standard" made of iron pyrite.

Synthesis of iron pyrite thin films by Russian Doll sulfurization apparatus

2016 ◽  
Vol 616 ◽  
pp. 303-310
Author(s):  
M.F.O. Silva ◽  
L.P. Souza ◽  
S. de Oliveira ◽  
A.S. Ferlauto ◽  
W.N. Rodrigues
Keyword(s):  
Thin Films ◽  
Iron Pyrite

Defect Chemistry and Electrical Properties of Iron-pyrite (FeS2–x)

1992 ◽  
pp. 87-92 ◽  
Author(s):  
S. Fiechter ◽  
A. Hartmann ◽  
P. Dulski ◽  
D. Jokisch ◽  
H. Tributsch
Keyword(s):  
Electrical Properties ◽  
Defect Chemistry ◽  
Iron Pyrite
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