New opportunities in transmission electron microscopy of polymers

B Kuei, MP Aplan, JH Litofsky, ED Gomez - Materials Science and …, 2020 - Elsevier
Recent advances in instrumentation for transmission electron microscopy have pushed the
resolution limit, leading to remarkable instruments capable of imaging at 0.5 Å. But, when …

Morphology optimization in ternary organic solar cells

L Zhang, W Ma - Chinese Journal of Polymer Science, 2017 - Springer
Ternary organic solar cells have drawn great attention because the highest power
conversion efficiencies have reached~ 12%, showing a promising prospect for the future …

Crystallization of a perovskite film for higher performance solar cells by controlling water concentration in methyl ammonium iodide precursor solution

N Adhikari, A Dubey, EA Gaml, B Vaagensmith… - Nanoscale, 2016 - pubs.rsc.org
An optimal small amount of water added into methyl ammonium iodide (MAI) solution in
isopropyl alcohol (IPA) helps perovskite crystallization and leads to larger grain size from …

Environmentally friendly plasma-treated PEDOT: PSS as electrodes for ITO-free perovskite solar cells

B Vaagensmith, KM Reza, MDN Hasan… - … applied materials & …, 2017 - ACS Publications
Solution processed poly (3, 4-ethylenedioxythiophene): poly (styrenesulfonate)(PEDOT:
PSS) transparent electrodes (TEs) offer great potential as a low cost alternative to expensive …

Solution processed pristine PDPP3T polymer as hole transport layer for efficient perovskite solar cells with slower degradation

A Dubey, N Adhikari, S Venkatesan, S Gu… - Solar Energy Materials …, 2016 - Elsevier
We report solution processed pristine diketopyrrolopyrrole (DPP) based polymer (PDPP3T)
as hole transport layer (HTL) for perovskite (CH 3 NH 3 PbI 3) solar cells. The pristine …

Critical role of polymer aggregation and miscibility in nonfullerene‐based organic photovoltaics

X Yi, Z Peng, B Xu, D Seyitliyev, CHY Ho… - Advanced Energy …, 2020 - Wiley Online Library
Understanding the correlation between polymer aggregation, miscibility, and device
performance is important to establish a set of chemistry design rules for donor polymers with …

Molecular engineering of side chain architecture of conjugated polymers enhances performance of photovoltaics by tuning ternary blend structures

YC Lin, HW Cheng, YW Su, BH Lin, YJ Lu, CH Chen… - Nano Energy, 2018 - Elsevier
Several approaches, including the use of small molecule acceptors, novel polymer
structures, and tandem cell structures, have been adopted to prepare polymer solar cells …

Room temperature, air crystallized perovskite film for high performance solar cells

A Dubey, N Kantack, N Adhikari, KM Reza… - Journal of Materials …, 2016 - pubs.rsc.org
For the first time, room temperature heating free growth and crystallization of perovskite films
in ambient air without the use of thermal annealing is reported. Highly efficient perovskite …

Correlating the phase behavior with the device performance in binary poly-3-hexylthiophene: nonfullerene acceptor blend using optical probes of the microstructure

E Rezasoltani, AAY Guilbert, J Yan… - Chemistry of …, 2020 - ACS Publications
The performance of photovoltaic devices based on blends of conjugated polymers with
nonfullerene acceptors depends on the phase behavior and microstructure of the binary …

A new optical-electrical integrated buffer layer design based on gold nanoparticles tethered thiol containing sulfonated polyaniline towards enhancement of solar cell …

SA Gopalan, AI Gopalan, A Vinu, KP Lee… - Solar Energy Materials …, 2018 - Elsevier
In this work, we report on the design and synthesis of a new sulfonated polyaniline
derivative containing thiol (-SH) groups (SPAN (SH)) to achieve effective dispersion of gold …