Facile one-pot polymerization of a fully conjugated donor–acceptor block copolymer and its application in efficient single component polymer solar cells

CG Park, SH Park, Y Kim, TL Nguyen… - Journal of Materials …, 2019 - pubs.rsc.org
Conjugated block copolymers containing donor (D) and acceptor (A) blocks have high
potential for single component polymer solar cells (SC-PSCs), but still exhibit the complexity …

Unusual concentration dependence of the photoisomerization reaction in donor-acceptor Stenhouse adducts

BF Lui, NT Tierce, F Tong, MM Sroda, H Lu… - Photochemical & …, 2019 - Springer
Donor-acceptor Stenhouse adducts comprise a new class of reversible photochromic
molecules that absorb in the visible and near-infrared spectral regions. Unimolecular …

2-(Benzothiazol-2-yl) pyren-1-ol, a new excited state intramolecular proton transfer-based fluorescent sensor for nitroaromatic compounds

Y Hu, JF Joung, JE Jeong, Y Jeong, HY Woo… - Sensors and Actuators B …, 2019 - Elsevier
(Benzothiazol-2-yl) pyren-1-ol (P3-NS) was developed as a excited-state intramolecular
proton transfer (ESIPT)-based sensor for nitroaromatic compounds (NACs). Results of …

Macrocyclic diacetylene–terthiophene cocrystal: molecular self-assembly, topochemical polymerization, and energy transfer

K Bae, JM Heo, MI Khazi, JF Joung, S Park… - Crystal Growth & …, 2019 - ACS Publications
The macrocyclic structure offers direction-control self-assembly to generate columnar
supramolecular architectures with a guest molecule-accessible interior cavity. Owing to the …

Excited-State Proton Transfer from Embedded Photoacids to Silanols on Mesostructured Surfaces: Role of Structural Heterogeneity

Y Sha, Z Guo, Y Han, Z Xue, M Li, Y Wan… - The Journal of …, 2023 - ACS Publications
As a common process in nature, excited-state proton transfer (ESPT) is becoming
increasingly attractive due to its wide applications in smart sensors and materials …

Reliable experimental method for determination of photoacidity revealed by quantum chemical calculations

JF Joung, M Jeong, S Park - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
Photoacids are aromatic acids that exhibit significantly different acidities when they are
electronically excited. Three experimental methods have been extensively used to …

Singlet Fission Dynamics of Colloidal Nanoparticles of a Perylenediimide Derivative in Solutions

Y Kim, M Han, C Lee, S Park - The Journal of Physical Chemistry …, 2021 - ACS Publications
Singlet fission (SF) is an intriguing process in which a singlet exciton produces two triplet
excitons in molecular aggregates. Perylenediimide (PDI) derivatives are promising materials …

Ultrafast Excited-State Proton Transfer of a Cationic Superphotoacid in a Nanoscopic Water Pool

HW Nho, A Adhikari, OH Kwon - The Journal of Physical Chemistry …, 2022 - ACS Publications
The excited-state proton transfer (ESPT) of a cationic superphotoacid, N-methyl-7-
hydroxyquinolium, was studied within the water pool of an anionic aerosol-OT (AOT), bis (2 …

Cationic effect on the equilibria and kinetics of the excited-state proton transfer reaction of a photoacid in aqueous solutions

JF Joung, S Kim, S Park - The Journal of Physical Chemistry B, 2018 - ACS Publications
Dissolved ions have a significant effect on the chemical equilibria and kinetics in aqueous
solutions by changing the physical properties and hydrogen bond network of water. In this …

A new visible light triggered Arrhenius photobase and its photo-induced reactions

JF Joung, J Lee, J Hwang, K Choi, S Park - New Journal of Chemistry, 2020 - pubs.rsc.org
Arrhenius photobases are of potential use for excited state hydroxide ion dissociation
(ESHID), photo-induced pOH jump experiments, and base-catalyzed reactions. However …