2013
DOI: 10.1080/02678292.2013.834082
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Solution-processed bilayer photovoltaic devices with nematic liquid crystals

Abstract: Solution processed bilayer photovoltaic devices with nematic liquid crystalsThe crosslinking of polymerisable liquid crystalline semiconductors is a promising approach to solution processable, multilayer, organic photovoltaics.Here we demonstrate an organic bilayer photovoltaic with an insoluble electron donating layer formed by crosslinking a nematic reactive mesogen. We investigate a range of perylene diimide materials, some of which are liquid crystalline, as the overlying electron acceptor layer. We find t… Show more

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Cited by 9 publications
(9 citation statements)
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“…The chiral peripheral chains bring a higher order within the Col phase, leading to increased charge-carrier mobility in the Col phase . Substitution with other aromatic groups with flexible chains as in the case of dialkyl fluorenyl and carbazolyl groups did not induce any mesomorphic behavior because of the lack of space filling in such a molecular design. , The 3,4,5-tri­do­ceyl­oxy phenyl group being connected through a flexible −CH 2 –, as in the case of PBI 7a , brings about a lowering of the clearing temperature while keeping the mesomorphic behavior intact. The Col h phase is disordered as in the case of 6a and 6b .…”
Section: Perylene As a Core For The Liquid-crystalline Organic Semico...mentioning
confidence: 99%
“…The chiral peripheral chains bring a higher order within the Col phase, leading to increased charge-carrier mobility in the Col phase . Substitution with other aromatic groups with flexible chains as in the case of dialkyl fluorenyl and carbazolyl groups did not induce any mesomorphic behavior because of the lack of space filling in such a molecular design. , The 3,4,5-tri­do­ceyl­oxy phenyl group being connected through a flexible −CH 2 –, as in the case of PBI 7a , brings about a lowering of the clearing temperature while keeping the mesomorphic behavior intact. The Col h phase is disordered as in the case of 6a and 6b .…”
Section: Perylene As a Core For The Liquid-crystalline Organic Semico...mentioning
confidence: 99%
“…Also, p-type and n-type discotic liquid crystals can be designed, and their properties, as well as alignment to the electrode surface, can be improved to achieve better charge migration results [53]. Calamitic or rod-like liquid crystals are also fascinating for semiconductor applications, particularly in display devices as well as conducting impurities [54]. In addition, liquid crystals create nanomorphology between the donor and acceptor layers to enhance film orientational order, resulting in efficient photocurrent generation and higher incoming photon conversion efficiency.…”
Section: Photovoltaicsmentioning
confidence: 99%
“…Presence of π-π stacking interactions in compounds possessing phthalimide make them favourable materials then electron withdrawing materials for organic electronics such as OLEDs [36]. Apart from all above mentioned applications, the chemistry of imide derivatives has also been explored for the synthesis of liquid crystalline compounds and studied for their mesomorphic properties with a variety of structural changes [35,[37][38][39][40].…”
Section: Introductionmentioning
confidence: 99%