The role of exciton lifetime for charge generation in organic solar cells at negligible energy-level offsets

A Classen, CL Chochos, L Lüer, VG Gregoriou… - Nature energy, 2020‏ - nature.com
Organic solar cells utilize an energy-level offset to generate free charge carriers. Although a
very small energy-level offset increases the open-circuit voltage, it remains unclear how …

Semi-crystalline photovoltaic polymers with efficiency exceeding 9% in a∼ 300 nm thick conventional single-cell device

TL Nguyen, H Choi, SJ Ko, MA Uddin… - Energy & …, 2014‏ - pubs.rsc.org
We report a series of semi-crystalline, low band gap (LBG) polymers and demonstrate the
fabrication of highly efficient polymer solar cells (PSCs) in a thick single-cell architecture …

Interplay of intramolecular noncovalent coulomb interactions for semicrystalline photovoltaic polymers

MA Uddin, TH Lee, S Xu, SY Park, T Kim… - Chemistry of …, 2015‏ - ACS Publications
Four different kinds of photovoltaic polymers were synthesized by controlling the intrachain
noncovalent coulomb interactions through the incorporation of alkoxy-or alkylthio-substituted …

New conjugated polymer nanoparticles with high photoluminescence quantum yields for far-red and near infrared fluorescence bioimaging

P Koralli, AD Nega, LE Vagiaki, A Pavlou… - Materials Chemistry …, 2020‏ - pubs.rsc.org
The development of new aqueous conjugated polymer nanoparticles with high
photoluminescence quantum yields (PLQYs) at the far red and near infrared (NIR) spectral …

Thieno[3,2-b]pyrrole-benzothiadiazole Banana-Shaped Small Molecules for Organic Field-Effect Transistors

C Bulumulla, R Gunawardhana… - … applied materials & …, 2018‏ - ACS Publications
We report two banana-shaped organic semiconducting small molecules containing the
relatively unexplored thieno [3, 2-b] pyrrole with thiophene and furan flanked …

Influence of the electron deficient co‐monomer on the optoelectronic properties and photovoltaic performance of dithienogermole‐based co‐polymers

CP Yau, Z Fei, RS Ashraf, M Shahid… - Advanced Functional …, 2014‏ - Wiley Online Library
A series of donor–acceptor (D–A) conjugated polymers utilizing 4, 4‐bis (2‐ethylhexyl)‐4H‐
germolo [3, 2‐b: 4, 5‐b′] dithiophene (DTG) as the electron rich unit and three electron …

Dark current reduction strategies using edge-on aligned donor polymers for high detectivity and responsivity organic photodetectors

SH Eom, SY Nam, HJ Do, J Lee, S Jeon, TJ Shin… - Polymer …, 2017‏ - pubs.rsc.org
We synthesized the conjugated polymers PT2OBT, PVT2OBT, and PFBT2OBT for use in
organic photodetecting devices. An octyloxy benzothiadiazole (OBT) moiety was used as a …

Synthesis of Near-Infrared Fluorescent Two-Photon-Absorbing Fluorenyl Benzothiadiazole and Benzoselenadiazole Derivatives

S Yao, B Kim, X Yue, MY Colon Gomez, MV Bondar… - ACS …, 2016‏ - ACS Publications
A series of dyes 2–5 based on 5-thienyl-2, 1, 3-benzothiadiazole and 5-thienyl-2, 1, 3-
benzoselenadiazole cores were synthesized as near-infrared-emitting two-photon …

Effects of vinylene and azomethine bridges on optical, theoretical electronic structure and electrical properties of new anthracene and carbazole based π-conjugated …

A Jebnouni, M Chemli, P Lévêque, S Fall, M Majdoub… - Organic …, 2018‏ - Elsevier
This study aims to synthesize and characterize a new semi-conducting 2, 7-distyrylcarbazole-
based molecule (M1) and its Schiff-base analog (M2). Those two molecules were …

Influence of Side Chain Position on the Electrical Properties of Organic Solar Cells Based on Dithienylbenzothiadiazole-alt-phenylene Conjugated Polymers

F Livi, NK Zawacka, D Angmo, M Jørgensen… - …, 2015‏ - ACS Publications
Seven conjugated copolymers, based on dithienylbenzothiadiazole and benzene, have
been synthesized with side chains placed in different position along the conjugated …