scholarly journals Overcoming the Intrinsic Difference between Hydrophilic CH3NH3PbI3 and Hydrophobic C60 Thin Films to Improve the Photovoltaic Performance

Nanomaterials ◽  
2017 ◽  
Vol 7 (7) ◽  
pp. 166 ◽  
Author(s):  
Lung-Chien Chen ◽  
Yu-Shiang Lin ◽  
Zong-Liang Tseng ◽  
Chiale Wu ◽  
Feng-Sheng Kao ◽  
...  
Keyword(s):  
Thin Films ◽  
Photovoltaic Performance ◽  
Intrinsic Difference

scholarly journals On Optimal Pointwise in Time Error Bounds and Difference Quotients for the Proper Orthogonal Decomposition

2021 ◽  
Vol 59 (4) ◽  
pp. 2163-2196
Author(s):  
Birgul Koc ◽  
Samuele Rubino ◽  
Michael Schneier ◽  
John Singler ◽  
Traian Iliescu
Keyword(s):  
Proper Orthogonal Decomposition ◽  
Error Bounds ◽  
Orthogonal Decomposition ◽  
Time Error ◽  
Difference Quotients ◽  
Proper Orthogonal

Noncentral Difference Quotients and the Derivative

1988 ◽  
Vol 95 (6) ◽  
pp. 551 ◽  
Author(s):  
P. P. B. Eggermont
Keyword(s):  
Difference Quotients

scholarly journals Quantal basis of photoreceptor spectral sensitivity of Drosophila melanogaster.

1975 ◽  
Vol 66 (2) ◽  
pp. 149-168 ◽  
Author(s):  
C F Wu ◽  
W L Pak
Keyword(s):  
Drosophila Melanogaster ◽  
Spectral Sensitivity ◽  
Spectral Range ◽  
Relative Efficiency ◽  
Receptor Potential ◽  
Statistical Analyses ◽  
Potential Fluctuations ◽  
Intrinsic Difference ◽  
Average Size

Small potential fluctuations ("bumps"), boyh spontaneous and light induced, can be recorded intracellularly from the photoreceptors of Drosophila melanogaster. Statistical analyses of these bumps in the spectral range, 400-600 nm, lead to the following interpretations; (a) For weak stimuli at least, these bumps are the quantal units of the receptor potential. (b) Quanta of various wavelengths, when effectively absorbed, will elicit bumps of the same average size. (c) The spectral sensitivity of the receptor potential appears to have its origin in the relative efficiency of quantum bump production at different wavelengths, and not in the intrinsic difference in the properties of bumps produced by quanta of differenct wavelengths.

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