TY - JOUR
T1 - Acceptor Unit Effects for Ambipolar Organic Field-Effect Transistors Based on TIPS-Benzodithiophene Copolymers
AU - Opoku, Henry
AU - Bathula, Chinna
AU - Mamo, Melaku Dereje
AU - Shrestha, Nabeen K.
AU - Lee, Taegweon
AU - Noh, Yong Young
N1 - Publisher Copyright:
© 2018, The Polymer Society of Korea and Springer Nature B.V.
PY - 2019/1/1
Y1 - 2019/1/1
N2 - Two narrow band gap triisopropylsilyl substituted benzo[1,2-b:4,5-b] dithiophene (TIPS-BDT) derivatives, P1 (1.65 eV) and P2 (1.46 eV) are synthesized for ambipolar organic field-effect transistors and complementary inverters. Two electron acceptor units, heptadecanyl substituted thieno[3,4-c]pyrrole-4,6-dione (TPD) and ethylhexyl substituted diketopyrrolo[3,4-c]pyrrole (DPP) are incorporated to tune the structure and resulting properties of the donor-acceptor type copolymers. Structural modification based on the acceptor unit variation, resulted in comparable electrochemical, optical, microstructural, and charge transporting properties, as well as environmental and operational stability. TIPS-BDT copolymers with TPD acceptor units show comparatively superior performance, with field effect mobility ∼10-3 cm2V-1s-1 for both holes and electrons and inverter gain ∼18 with poly(methyl methacrylate) gate dielectric. [Figure not available: see fulltext.].
AB - Two narrow band gap triisopropylsilyl substituted benzo[1,2-b:4,5-b] dithiophene (TIPS-BDT) derivatives, P1 (1.65 eV) and P2 (1.46 eV) are synthesized for ambipolar organic field-effect transistors and complementary inverters. Two electron acceptor units, heptadecanyl substituted thieno[3,4-c]pyrrole-4,6-dione (TPD) and ethylhexyl substituted diketopyrrolo[3,4-c]pyrrole (DPP) are incorporated to tune the structure and resulting properties of the donor-acceptor type copolymers. Structural modification based on the acceptor unit variation, resulted in comparable electrochemical, optical, microstructural, and charge transporting properties, as well as environmental and operational stability. TIPS-BDT copolymers with TPD acceptor units show comparatively superior performance, with field effect mobility ∼10-3 cm2V-1s-1 for both holes and electrons and inverter gain ∼18 with poly(methyl methacrylate) gate dielectric. [Figure not available: see fulltext.].
KW - ambipolar polymer
KW - complementary inverters
KW - organic field-effect transistors
KW - TIPS-benzodithiophene
UR - http://www.scopus.com/inward/record.url?scp=85055714005&partnerID=8YFLogxK
U2 - 10.1007/s13233-019-7008-5
DO - 10.1007/s13233-019-7008-5
M3 - Article
AN - SCOPUS:85055714005
SN - 1598-5032
VL - 27
SP - 90
EP - 95
JO - Macromolecular Research
JF - Macromolecular Research
IS - 1
ER -