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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Commun
2015 ; 6
(ä): 8394
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Macroscopic and high-throughput printing of aligned nanostructured polymer
semiconductors for MHz large-area electronics
#MMPMID26403619
Bucella SG
; Luzio A
; Gann E
; Thomsen L
; McNeill CR
; Pace G
; Perinot A
; Chen Z
; Facchetti A
; Caironi M
Nat Commun
2015[Sep]; 6
(ä): 8394
PMID26403619
show ga
High-mobility semiconducting polymers offer the opportunity to develop flexible
and large-area electronics for several applications, including wearable, portable
and distributed sensors, monitoring and actuating devices. An enabler of this
technology is a scalable printing process achieving uniform electrical
performances over large area. As opposed to the deposition of highly crystalline
films, orientational alignment of polymer chains, albeit commonly achieved by
non-scalable/slow bulk alignment schemes, is a more robust approach towards
large-area electronics. By combining pre-aggregating solvents for formulating the
semiconductor and by adopting a room temperature wired bar-coating technique,
here we demonstrate the fast deposition of submonolayers and nanostructured films
of a model electron-transporting polymer. Our approach enables directional
self-assembling of polymer chains exhibiting large transport anisotropy and a
mobility up to 6.4 cm(2) V(-1) s(-1), allowing very simple device architectures
to operate at 3.3 MHz. Thus, the proposed deposition strategy is exceptionally
promising for mass manufacturing of high-performance polymer circuits.