Vertically Phase Separated Photomultiplication Organic Photodetectors with p‐n Heterojunction Type Ultrafast Dynamic Characteristics

MI Kim, S Lee, J Kang, J Kim, Z Wu, JH Won… - Advanced …, 2024 - Wiley Online Library
Photomultiplication (PM)‐type organic photodetectors (OPDs), which typically form a
homogeneous distribution (HD) of n‐type dopants in ap‐type polymer host (HD PM‐type …

Development of high-performance organic photodetectors by understanding origin of dark current density with synthesis of photoconductive polymers

WJ Jeong, J Kang, D Lee, C Shin, H Ahn, C So… - Chemical Engineering …, 2023 - Elsevier
Photoconductive polymers (PCPs) are key materials that determine the static and dynamic
performance of pn bulk heterojunction organic photodetectors (OPDs). Herein, we …

Development of n-type small-molecule acceptors for low dark current density and fast response organic photodetectors

H Kim, J Kang, MI Kim, WJ Jeong, S Baek… - … Applied Materials & …, 2023 - ACS Publications
Suppressing the dark current density (J d) while maintaining sufficient charge transport is
important for improving the specific detectivity (D*) and dynamic characteristics of organic …

All-polymer photodetectors with n-type polymers having nonconjugated spacers for dark current density reduction

H Kim, J Kang, J Park, H Ahn, IN Kang, IH Jung - Macromolecules, 2022 - ACS Publications
Recently, all-polymer-based p–n bulk heterojunction organic photodiodes exhibited a high
photocurrent density (J ph) through the state-of-the-art synthesis in n-type conjugated …

Estimating the Permeability of the Ceramic Coating on Lithium-Ion Battery Separators via the Ideal Laminate Theory

SC Mun, JH Won - Frontiers in Energy Research, 2022 - frontiersin.org
In this study, a simple method for quantifying the porous nature based on the permeability of
the thin ceramic coating on microporous polyolefin flims used as separators in lithium-ion …

Development of benzobisoxazole-based novel conjugated polymers for organic thin-film transistors

WJ Jeong, K Lee, J Jang, IH Jung - Polymers, 2023 - mdpi.com
Benzo [1, 2-d: 4, 5-d′] bis (oxazole)(BBO) is a heterocyclic aromatic ring composed of one
benzene ring and two oxazole rings, which has unique advantages on the facile synthesis …

Synthesis and characterization of a copper (II) phthalocyanine‐based dye for organic photodetectors

J Kim, J Kang, IH Jung - Bulletin of the Korean Chemical …, 2022 - Wiley Online Library
Abstract Novel copper (II) 4, 4′, 4 ″, 4‴‐tetra (hexylthienyl) phthalocyanine (CuPc‐HT)
was synthesized via Stille coupling reaction between 2‐trimethylstannyl‐5‐hexylthiophene …

Molecular Engineering of Benzobisoxazole‐Based Conjugated Polymers for High‐Performance Organic Photodetectors and Fingerprint Image Sensors

C Shin, WJ Jeong, E Darici Lee, JB Park… - Energy & …, 2025 - Wiley Online Library
Various novel conjugated polymers (CPs) have been developed for organic photodetectors
(OPDs), but their application to practical image sensors such as X‐ray, R/G/B, and fingerprint …

Improvement of dynamic performance and detectivity in near-infrared colloidal quantum dot photodetectors by incorporating conjugated polymers

MI Kim, J Kang, J Park, WJ Jeong, J Kim, S Yim… - Molecules, 2022 - mdpi.com
Colloidal quantum dots (CQDs) have a unique advantage in realizing near-infrared (NIR)
photodetection since their optical properties are readily tuned by the particle size, but CQD …

The Synthesis and Characterization of Benzobisoxazole-based Conjugated Polymers for Organic Photodetectors

MI Kim, WJ Jeong - Organic Polymer Material Research, 2023 - journals.bilpubgroup.com
Abstract Benzo [1, 2-d: 4, 5-d'] bis (oxazole)(BBO) is a conjugated building block that can be
easily synthesized for the development of organic optoelectronic polymers. Here, the …