High charge mobility polymers based on a new di(thiophen-2-yl)thieno[3,2-b]thiophene for transistors and solar cells
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Abstract:
A novel random copolymer of di(thiophen-2-yl)thieno[3,2-Keywords:
Electron Mobility
The reactivity of benzo[ b ]thiophene and thiophene and the amount of 2,3-dihydrobenzo[ b ]thiophene and tetrahydrothiophene in the title reaction on sulphided Co-Mo-Al 2 O 3 and MoS 2 catalysts has been determined at the temperature range 543-623 K and hydrogen pressures 0.5-2.0 MPa in a tubular flow integral reactor. Under above conditions, benzo[ b ]thiophene was more reactive than thiophene and the difference in their reactivities in the competitive reaction was substantially greater than in the single reaction. The selectivity to the intermediate 2,3-dihydrobenzo[ b ]thiophene and tetrahydrothiophene in the reaction of benzo[ b ]thiophene and thiophene respectively, was measured in the whole region of total conversion. Based on these and reported data, the mechanism of hydrodesulphurization is discussed.
Tetrahydrothiophene
Reactivity
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In this brief, the analysis of high electron mobility transistor is performed. Structure of high electron mobility transistor is designed and simulated to study its characteristics. The device parameters are calculated using simulation technique and it has been verified that the device satisfies all reliability criteria and can be used successfully for commercial circuit applications.
Electron Mobility
Wide-bandgap semiconductor
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Abstract All isomers of the parent phenanthro[ b ]thiophenes, namely, phenanthro[1,2‐ b ]thiophene, phenanthro‐[2,1‐ b ]thiophene, phenanthro[2,3‐ b ]thiophene, phenanthro[3,4‐ b ]thiophene, phenanthro[3,4‐ b ]thiophene, phenanthro[4,3‐ b ]thiophene and phenanthro[9,10‐ b ]thiophene have been synthesized.
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Abstract The syntheses of naphtho[1,2–6:7,6‐ b ′]bisbenzo[ b ]thiophene ( 4 ), naphtho[1,2–6:7,8‐ b ′]bisbenzo[ b ]thiophene ( 5 ), naphtho[2,1‐ b :7,6‐ b ′]bisbenzo[ b ]thiophene ( 8 ), naphtho[2,1‐ b :7,8‐ b ′]bisbenzo[ b ]thiophene ( 9 ), naphtho‐[1,2–6:5,6‐ b ′]bisbenzo[ b ]thiophene ( 14 ), naphtho[1,2–6:6,5‐ b ]bisbenzo[ b ]thiophene ( 17 ) and naphtho[2,1–6:‐6,5‐ b ′]bisbenzo[ b ]thiophene ( 23 ) are reported.
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Side chain
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This chapter contains sections titled: Introduction Thiophanthrene Ring Systems Naphtho [2, 3-c] thiophene Ring Systems Naphtho [1, 2-b] thiophene Ring Systems Naphtho [2, l-b] thiophene Ring Systems 2H-Naphtho [1,8] thiophene Naphtho [1, 2-c] thiophene Millaneous Three-Ring Systems Containing One Thiophene Ring
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Abstract We describe the synthesis of thieno[2,3‐ c ]dibenzothiophene ( 6 ), thieno[3,2‐ c ]dibenzothiophene ( 10 ), thieno‐[3,2‐ a ]dibenzothiophene ( 14 ), thieno[2,3‐ a ]dibenzothiophene ( 16 ), benzo[1,2‐ b :4,3‐ b ]bisbenzo[ b ]thiophene ( 18 ), benzo[1,2‐‐6:3,4‐ b ]bisbenzo[ b ]thiophene ( 20 ), benzo[2,1‐‐6:3,4‐ b ]bisbenzo[ b ]thiophene ( 22 ), benzo[1,2‐ b :3,4‐ g ]bisbenzo[ b ]thiophene ( 27 ), benzo[1,2‐ b :4,3‐ e ]bisbenzo[ b ]thiophene ( 29 ), benzo[2,1‐‐6:3,4‐ g ]bisbenzo[ b ]thiophene ( 36 ), benzo[2,1‐‐6:4,3‐ e ]bisbenzo[ b ]thiophene ( 38 ), benzo[1,2‐‐6:4,3‐ g ]bisbenzo[ b ]thiophene ( 41 ), benzo[1,2‐ b :4,5‐ g ]bisbenzo[ b ]thiophene ( 42 ), benzo[1,2‐ b :3,4‐ e ]bisbenzo[ b ]thiophene ( 44 ) and benzo‐[1,2‐ b :5,4‐ e ]bisbenzo[ b ]thiophene ( 45 ).
Dibenzothiophene
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