Perylene Bisimide-Based Donor–Acceptor Materials Incorporating Oligothiophenes: Synthesis, Characterization, Thin-Film Properties, and Nanomorphology

2016 ◽  
Vol 89 (9) ◽  
pp. 1063-1068 ◽  
Author(s):  
Kazuhiro Nakabayashi ◽  
Yuhei Takeuchi ◽  
Hideharu Mori
Keyword(s):  
Thin Film ◽  
Film Properties ◽  
Perylene Bisimide ◽  
Donor Acceptor

scholarly journals Detection of nitroaromatic vapours with diketopyrrolopyrrole thin films: exploring the role of structural order and morphology on thin film properties and fluorescence quenching efficiency

2015 ◽  
Vol 51 (6) ◽  
pp. 1143-1146 ◽  
Author(s):  
Monika Warzecha ◽  
Jesus Calvo-Castro ◽  
Alan R. Kennedy ◽  
Alisdair N. Macpherson ◽  
Kenneth Shankland ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Fluorescence Quenching ◽  
Optical Detection ◽  
Film Properties ◽  
Structural Order ◽  
Quenching Efficiency ◽  
First Time

Sensitive optical detection of nitroaromatic vapours with diketopyrrolopyrrole thin films is reported for the first time.

Annealing in water vapor as a new method for improvement of silicon thin film properties

2006 ◽  
Vol 352 (9-20) ◽  
pp. 955-958 ◽  
Author(s):  
S. Honda ◽  
A. Fejfar ◽  
J. Kočka ◽  
T. Yamazaki ◽  
A. Ogane ◽  
...  
Keyword(s):  
Thin Film ◽  
Water Vapor ◽  
New Method ◽  
Silicon Thin Film ◽  
Film Properties

scholarly journals Enhancement of Photon Absorption onBaxSr1-xTiO3Thin-Film Semiconductor Using Photonic Crystal

2014 ◽  
Vol 2014 ◽  
pp. 1-8 ◽  
Author(s):  
Abd. Wahidin Nuayi ◽  
Husin Alatas ◽  
Irzaman S. Husein ◽  
Mamat Rahmat
Keyword(s):  
Thin Film ◽  
Photonic Crystal ◽  
Mole Fraction ◽  
Visible Spectrum ◽  
Transparent Conductive Oxide ◽  
Photon Absorption ◽  
Film Properties ◽  
Solution Deposition ◽  
Chemical Solution Deposition Method ◽  
Bst Thin Film

Enhancement of photon absorption on barium strontium titanate (BaxSr1-xTiO3) thin-film semiconductor for mole fractionx=0.25, 0.35, 0.45, and 0.55 using one-dimensional photonic crystal with defect was investigated experimentally. The thin film was grown on transparent conductive oxide (TCO) substrate using chemical solution deposition method and annealed at 500°C for 15 hours with increasing rate of 1.6°C/min. From optical characterization in visible spectrum it was found that the average absorption percentages are 92.04%, 83.55%, 91.16%, and 80.12%, respectively. The BST thin film with embedded photonic crystal exhibited a relatively significant enhancement on photon absorption, with increasing value of 3.96%, 7.07%, 3.04%, and 13.33% for the respective mole fraction and demonstrating absorbance characteristic with flat feature. In addition, we also discuss the thin-film properties of attenuation constant and electrical conductivity.

Effect of deposition pressure and post deposition annealing on SmCo thin film properties

2008 ◽  
Vol 5 (12) ◽  
pp. 3759-3762 ◽  
Author(s):  
Th. Speliotis ◽  
E. Makarona ◽  
F. Chouliaras ◽  
C. A. Charitidis ◽  
C. Tsamis ◽  
...  
Keyword(s):  
Thin Film ◽  
Deposition Pressure ◽  
Post Deposition Annealing ◽  
Film Properties ◽  
Post Deposition

scholarly journals Donor Acceptor Copolymers from Cyclopentannulation Polymerizations with Dicyclopenta[cd,jk]pyrene and Dicyclopenta[cd,lm]perylene Acceptors

2020 ◽  
Author(s):  
Ain Uddin ◽  
Kyle Plunkett
Keyword(s):  
Thin Film ◽  
Cyclic Voltammetry ◽  
Light Absorption ◽  
Visible Region ◽  
Optoelectronic Properties ◽  
Band Gaps ◽  
Molecular Weights ◽  
Palladium Catalyzed ◽  
Donor Acceptor ◽  
Film Absorption

A series of donor-acceptor copolymers with dicyclopenta[cd,jk]pyrene and dicyclopenta[cd,lm]perylene acceptor units was prepared via palladium catalyzed cyclopenta-annulation reactions. The acceptor units were paired with diethynyl containing donor groups based on benzo[1,2-b:4,5-b']dithiophene, thieno[3,2-b]thiophene, and 4-octyl-4H-dithieno[3,2-b:2',3'-d]pyrrole to create six polymer variants. The cyclopentannulation polymerization resulted in copolymers with molecular weights (Mn) of 6-14 kDa and broad light absorption in the visible region with band gaps of 1.38-1.85 eV. The synthetic methodology, as well as optoelectronic properties, including thin-film absorption and cyclic voltammetry, of the donor-acceptor copolymers are presented.<br> <br><br>

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