Performance enhancement in TIPS-pentacene:PS blend organic field effect transistors by solvent vapor annealing

Author(s):  
Deepak Bharti ◽  
Ishan Varun ◽  
Shree Prakash Tiwari



2013 ◽  
Vol 5 (21) ◽  
pp. 10745-10752 ◽  
Author(s):  
Dongyoon Khim ◽  
Kang-Jun Baeg ◽  
Juhwan Kim ◽  
Minji Kang ◽  
Seung-Hoon Lee ◽  
...  


2016 ◽  
Vol 34 ◽  
pp. 284-288 ◽  
Author(s):  
Vivek Raghuwanshi ◽  
Deepak Bharti ◽  
Ishan Varun ◽  
Ajay Kumar Mahato ◽  
Shree Prakash Tiwari


2021 ◽  
Vol 9 ◽  
Author(s):  
Krzysztof Janus ◽  
Kinga Danielewicz ◽  
Dorota Chlebosz ◽  
Waldemar Goldeman ◽  
Adam Kiersnowski

Herein we report on fabrication and properties of organic field-effect transistors (OFETs) based on the spray-coated films of N,N′-dioctyl naphthalene diimide (NDIC8) doped with 2.4 wt% of poly (3-hexylthiophene) (P3HT). OFETs with the untreated NDIC8:P3HT films revealed electron conductivity [μe* = 5 × 10–4 cm2×(Vs)−1]. After the annealing in chloroform vapor the NDIC8:P3HT films revealed the hole transport only [μh* = 0.9 × 10–4 cm2×(Vs)−1]. Due to the chemical nature and energy levels, the hole transport was not expected for NDIC8-based system. Polarized optical- and scanning electron microscopies indicated that the solvent vapor annealing of the NDIC8:P3HT films caused a transition of their fine-grained morphology to the network of branched, dendritic crystallites. Grazing incidence wide-angle X-ray scattering studies indicated that the above transition was accompanied by a change in the crystal structure of NDIC8. The isotropic crystal structure of NDIC8 in the untreated film was identical to the known crystal structure of the bulk NDIC8. After the solvent annealing the crystal structure of NDIC8 changed to a not-yet-reported polymorph, that, unlike in the untreated film, was partially oriented with respect to the OFET substrate.



RSC Advances ◽  
2015 ◽  
Vol 5 (63) ◽  
pp. 50668-50672 ◽  
Author(s):  
Özlem Usluer ◽  
Sameh Boudiba ◽  
Daniel A. M. Egbe ◽  
Lionel Hirsch ◽  
Mamatimin Abbas

Charge carrier mobilities in anthracene-based polymer solar cells were controlled using organic field-effect transistors. The best solar cell device performance was achieved using classical PCBM.



2018 ◽  
Vol 6 (21) ◽  
pp. 5698-5706 ◽  
Author(s):  
Min Je Kim ◽  
Young Woong Lee ◽  
Yujeong Lee ◽  
Han Young Woo ◽  
Jeong Ho Cho

This paper reports a series of acceptor–donor–acceptor-type small molecules based on an oligothiophene–phenylene core with three different electron-accepting terminal groups—dicyanovinyl, cyano-rhodanine, and cyano-indanone, respectively—for application to flexible ambipolar organic field-effect transistors.





2018 ◽  
Vol 9 (6) ◽  
pp. 1318-1323 ◽  
Author(s):  
Qijing Wang ◽  
Emilio J. Juarez-Perez ◽  
Sai Jiang ◽  
Longbin Qiu ◽  
Luis K. Ono ◽  
...  


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