Enhanced Charge Carrier Mobility and Tailored Luminescence of n-Type Organic Semiconductor through Block Copolymer Supramolecular Assembly

2017 ◽  
Vol 218 (8) ◽  
pp. 1600508 ◽  
Author(s):  
Pallavi Kumari ◽  
Koomkoom Khawas ◽  
Manas Kumar Bera ◽  
Sunit Hazra ◽  
Sudip Malik ◽  
...  
Keyword(s):  
Block Copolymer ◽  
Charge Carrier ◽  
Organic Semiconductor ◽  
Carrier Mobility ◽  
Supramolecular Assembly ◽  
Charge Carrier Mobility

Co-assembly of functionalized donor–acceptor molecules within block copolymer microdomains via the supramolecular assembly approach with an improved charge carrier mobility

Soft Matter ◽  
2020 ◽  
Vol 16 (31) ◽  
pp. 7312-7322
Author(s):  
Krishnan Deepthi ◽  
Amal Raj R B ◽  
Vadakkethonippurathu Sivankuttynair Prasad ◽  
E. Bhoje Gowd
Keyword(s):  
Block Copolymer ◽  
Charge Carrier ◽  
Small Molecules ◽  
Self Assembly ◽  
Carrier Mobility ◽  
Supramolecular Assembly ◽  
Charge Carrier Mobility ◽  
Donor And Acceptor ◽  
Donor Acceptor ◽  
Acceptor Molecules

Here, we demonstrate the three-component self-assembly of functionalized small molecules (donor and acceptor) and a polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP) block copolymer using the supramolecular approach.

Relationship between supramolecular assembly and charge-carrier mobility in perylenediimide derivatives: The impact of side chains

2011 ◽  
Vol 21 (26) ◽  
pp. 9538 ◽  
Author(s):  
Falk May ◽  
Valentina Marcon ◽  
Michael Ryan Hansen ◽  
Ferdinand Grozema ◽  
Denis Andrienko
Keyword(s):  
Charge Carrier ◽  
Carrier Mobility ◽  
Supramolecular Assembly ◽  
Charge Carrier Mobility ◽  
Side Chains ◽  
The Impact

Measurement of the Charge Carrier Mobility in MEH-PPV and MEH-PPV-POSS Organic Semiconductor Films

2015 ◽  
Vol 57 (11) ◽  
pp. 1584-1592 ◽  
Author(s):  
I. V. Romanov ◽  
A. V. Voitsekhovskii ◽  
K. M. Dyagterenko ◽  
T. N. Kopylova ◽  
A. P. Kokhanenko ◽  
...  
Keyword(s):  
Charge Carrier ◽  
Organic Semiconductor ◽  
Carrier Mobility ◽  
Charge Carrier Mobility ◽  
Semiconductor Films

The Influence of Nitrogen Position on Charge Carrier Mobility in Enantiopure Aza[6]helicene Crystals

2018 ◽  
Author(s):  
Francesco Salerno ◽  
Beth Rice ◽  
Julia Schmidt ◽  
Matthew J. Fuchter ◽  
Jenny Nelson ◽  
...  
Keyword(s):  
Solid State ◽  
Charge Carrier ◽  
Carrier Mobility ◽  
Chemical Structure ◽  
Crystal Packing ◽  
Charge Carrier Mobility ◽  
Individual Factor ◽  
Charge Mobility ◽  
Order Of Magnitude ◽  
Small Change

<p>The properties of an organic semiconductor are dependent on both the chemical structure of the molecule involved, and how it is arranged in the solid-state. It is challenging to extract the influence of each individual factor, as small changes in the molecular structure often dramatically change the crystal packing and hence solid-state structure. Here, we use calculations to explore the influence of the nitrogen position on the charge mobility of a chiral organic molecule when the crystal packing is kept constant. The transfer integrals for a series of enantiopure aza[6]helicene crystals sharing the same packing were analysed in order to identify the best supramolecular motifs to promote charge carrier mobility. The regioisomers considered differ only in the positioning of the nitrogen atom in the aromatic scaffold. The simulations showed that even this small change in the chemical structure has a strong effect on the charge transport in the crystal, leading to differences in charge mobility of up to one order of magnitude. Some aza[6]helicene isomers that were packed interlocked with each other showed high HOMO-HOMO integrals (up to 70 meV), whilst molecules arranged with translational symmetry generally afforded the highest LUMO-LUMO integrals (40 - 70 meV). As many of the results are not intuitively obvious, a computational approach provides additional insight into the design of new semiconducting organic materials.</p>

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