Significant dark current suppression in organic photodetectors using side chain fluorination of conjugated polymer

B Park, J Jung, DH Lim, H Lee, S Park… - Advanced Functional …, 2022 - Wiley Online Library
Dark current density (Jdark) is the most important factors determining signal‐to‐noise ratio,
linear dynamic range and detectivity (D*) of organic photodetectors (OPDs). However, the …

Narrow–Wide Copolymers Designed for Red-Selective Absorption by Time-Dependent Density Functional Theory Calculations

W Jeon, C Choi, J Cheon, J Lee… - The Journal of …, 2023 - ACS Publications
Conformable RGB-color-selective narrowband photodiode components are desirable for
retinal prosthesis and vision restoration, but polymers strongly absorbing only the red (R) …

Effect of 1,8-Diiodooctane Content on the Performance of P3HT:PC61BM Bulk Heterojunction Photodetectors

X Wang, SJ Gao, JF Han, YL Zhang, S Zhang… - Chinese Journal of …, 2021 - Springer
A series of polymer photodetectors with device configuration of ITO/PEDOT: PSS/P3HT:
PC61BM/C60/Al were prepared by using P3HT as the donor material and PC61BM as the …

Narrow-Wide Copolymer for Strong Red-Color-Selective Absorption

C Choi, W Jeon, Y Lansac, YH Jang - The Journal of Physical …, 2022 - ACS Publications
Full-color image sensors for retinal prosthesis and artificial vision would require organic
RGB-color-selective photodiode components. The most challenging components are those …

High‐Crystalline Regioregular Polymer Semiconductor by Thermal Treatment for Thickness Tolerance Organic Photovoltaics

J Yeop, KH Park, S Jeon, G Kim, W Lee, S Song… - Solar …, 2022 - Wiley Online Library
To successfully develop a regioregular polymer, poly [4, 8‐bis (5‐(2‐hexyldecyl) thiophen‐2‐
yl) benzo [1, 2‐b: 4, 5‐b′] dithiophene][5, 5′‐bis (7‐(4‐(2‐butyloctyl) thiophen‐2‐yl)‐6 …

Synthesis, photophysical and nonlinear optical properties of push–pull tetrazoles

AK West, LJ Kaylor, M Subir, S Rayat - RSC advances, 2022 - pubs.rsc.org
A 2, 5-disubstituted tetrazole with p-nitrophenyl and 3-pyridyl units as acceptors (1a), and
three push–pull tetrazoles with p-nitrophenyl as an acceptor and phenyl (1b), 2-(dibenzo [b …

Facile synthesis and optoelectronic properties of thienopyrroledione based conjugated polymer for organic field effect transistors

H Opoku, JY Choy, KA Kumar, NK Shrestha, I Rabani… - Dyes and …, 2021 - Elsevier
Herein we present the synthesis and application of a prominent polymer solar cell (PSC)
donor-acceptor (DA) based material (PBDTHTPD) constituted of thiophene-benzo [1, 2-b: 4 …

Numerical modeling and investigation of material mixing and utilization during organic vapor phase deposition

IH Ozofor - Journal of Materials Research, 2023 - Springer
Organic vapor phase deposition (OVPD) is a promising technique for cost-effective
manufacture of organic electronic devices. The ability to evenly mix different vapor streams …

Development of Scalable Pathways for Addressing Constraints of Emerging Manufacturing Processes

I Ozofor - 2023 - deepblue.lib.umich.edu
The goal of this Ph. D. study was to apply first-principle physics, computational fluid dynamic
(CFD) simulation, scientific experimentation, model development and process design to …