scholarly journals Layer-by-layer fabrication of organic photovoltaic devices: material selection and processing conditions

2021 ◽  
Vol 9 (1) ◽  
pp. 14-40
Author(s):  
Marie D. M. Faure ◽  
Benoît H. Lessard
Keyword(s):  
Material Selection ◽  
Organic Photovoltaic ◽  
Layer By Layer ◽  
Processing Conditions ◽  
Photovoltaic Devices ◽  
Organic Photovoltaic Devices ◽  
Sequential Deposition ◽  
Active Layers ◽  
Promising Strategy

Layer-by-layer (LbL) processing, otherwise known as sequential deposition, is emerging as the most promising strategy for fabrication of active layers in organic photovoltaic (OPV) devices on both laboratory and industrial scales.

scholarly journals Molecular engineering to improve carrier lifetimes for organic photovoltaic devices with thick active layers

2017 ◽  
Vol 47 ◽  
pp. 57-65 ◽  
Author(s):  
Stefan D. Oosterhout ◽  
Wade A. Braunecker ◽  
Zbyslaw R. Owczarczyk ◽  
Alexander L. Ayzner ◽  
Michael F. Toney ◽  
...  
Keyword(s):  
Molecular Engineering ◽  
Organic Photovoltaic ◽  
Photovoltaic Devices ◽  
Organic Photovoltaic Devices ◽  
Carrier Lifetimes ◽  
Active Layers

scholarly journals Enhancement of efficiency in organic photovoltaic devices containing self-complementary hydrogen-bonding domains

2013 ◽  
Vol 9 ◽  
pp. 1102-1110 ◽  
Author(s):  
Rohan J Kumar ◽  
Jegadesan Subbiah ◽  
Andrew B Holmes
Keyword(s):  
Hydrogen Bonding ◽  
Self Assembly ◽  
Fill Factor ◽  
Organic Photovoltaic ◽  
Photovoltaic Devices ◽  
Organic Photovoltaic Devices ◽  
One Dimensional ◽  
Self Organized ◽  
Active Layers ◽  
P Type

Self-complementary hydrogen-bonding domains were incorporated as the electron deficient unit in “push–pull”, p-type small molecules for organic photovoltaic active layers. Such compounds were found to enhance the fill factor, compared with similar non-self-organized compounds reported in the literature, leading to higher device efficiencies. Evidence is presented that the ability of these molecules to form one-dimensional hydrogen-bonded chains and subsequently exhibit hierarchical self-assembly into nanostructured domains can be correlated with improved device efficiency.

scholarly journals Computational Study of P3HT/C60-Fullerene Miscibility

2014 ◽  
Vol 67 (4) ◽  
pp. 585 ◽  
Author(s):  
David M. Huang
Keyword(s):  
Conjugated Polymer ◽  
Force Fields ◽  
Computational Study ◽  
Organic Photovoltaic ◽  
C60 Fullerene ◽  
Processing Conditions ◽  
Photovoltaic Devices ◽  
Organic Photovoltaic Devices ◽  
Dynamics Simulations ◽  
Blend Ratios

Classical molecular dynamics simulations and statistical thermodynamics are used to investigate the miscibility of blends of the conjugated polymer poly(3-hexylthiophene) (P3HT) and fullerene C60 for blend ratios typically used in organic photovoltaic devices over a range of temperatures. Depending on which of two slightly different simulation force fields is used, the calculations suggest that amorphous P3HT/fullerene blends are either miscible or immisicble under typical processing conditions. The former result is consistent with recent experiments and suggests that experimentally observed nano-scale phase separation is driven by polymer or fullerene crystallisation. But the inconsistency between the different force fields indicates that these blends are close to phase coexistence between the separated and homogeneously mixed phases and suggests that care must be taken in interpreting simulation data on P3HT/fullerene blends. These findings have implications for organic photovoltaics, in which the microstructure of conjugated-polymer/fullerene blends plays a crucial role in device performance.

Effects of nano-patterned versus simple flat active layers in upright organic photovoltaic devices

2012 ◽  
Vol 46 (2) ◽  
pp. 024008 ◽  
Author(s):  
Yingchi Liu ◽  
Christoph Kirsch ◽  
Abay Gadisa ◽  
Mukti Aryal ◽  
Sorin Mitran ◽  
...  
Keyword(s):  
Organic Photovoltaic ◽  
Photovoltaic Devices ◽  
Organic Photovoltaic Devices ◽  
Active Layers

scholarly journals Understanding charge transport in donor/acceptor blends from large-scale device simulations based on experimental film morphologies

2020 ◽  
Vol 13 (2) ◽  
pp. 601-615 ◽  
Author(s):  
Haoyuan Li ◽  
Gjergji Sini ◽  
Joseph Sit ◽  
Adam J. Moulé ◽  
Jean-Luc Bredas
Keyword(s):  
Charge Transport ◽  
Large Scale ◽  
Organic Photovoltaic ◽  
Experimental Film ◽  
Photovoltaic Devices ◽  
Organic Photovoltaic Devices ◽  
Active Layers ◽  
Donor Acceptor

Simulation of the microscopic processes in the active layers of organic photovoltaic devices directly from experimental film morphologies.

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