Electron microscopy studies of soft nanomaterials

Z Lyu, L Yao, W Chen, FC Kalutantirige… - Chemical …, 2023 - ACS Publications
This review highlights recent efforts on applying electron microscopy (EM) to soft (including
biological) nanomaterials. We will show how developments of both the hardware and …

Understanding, quantifying, and controlling the molecular ordering of semiconducting polymers: from novices to experts and amorphous to perfect crystals

Z Peng, L Ye, H Ade - Materials Horizons, 2022 - pubs.rsc.org
Molecular packing and texture of semiconducting polymers are often critical to the
performance of devices using these materials. Although frameworks exist to quantify the …

Charge-transfer crystallites as molecular electrical dopants

H Méndez, G Heimel, S Winkler, J Frisch… - Nature …, 2015 - nature.com
Ground-state integer charge transfer is commonly regarded as the basic mechanism of
molecular electrical doping in both, conjugated polymers and oligomers. Here, we …

Structure and morphology control in thin films of regioregular poly (3‐hexylthiophene)

M Brinkmann - Journal of Polymer Science Part B: Polymer …, 2011 - Wiley Online Library
This review focuses on the structural control in thin films of regioregular poly (3‐
hexylthiophene)(P3HT), a workhorse among conjugated semiconducting polymers. It …

Counterion control and the spectral signatures of polarons, coupled polarons, and bipolarons in doped P3HT films

EC Wu, CZ Salamat, OL Ruiz, T Qu… - Advanced Functional …, 2023 - Wiley Online Library
When an electron is removed from a conjugated polymer, such as poly (3‐hexylthiophene‐
2, 5‐diyl)(P3HT), the remaining hole and associated change in the polymer backbone …

A Versatile Method to Fabricate Highly In‐Plane Aligned Conducting Polymer Films with Anisotropic Charge Transport and Thermoelectric Properties: The Key Role of …

A Hamidi‐Sakr, L Biniek, JL Bantignies… - Advanced Functional …, 2017 - Wiley Online Library
A general method is proposed to produce oriented and highly crystalline conducting
polymer layers. It combines the controlled orientation/crystallization of polymer films by high …

Characterization of the morphology of solution-processed bulk heterojunction organic photovoltaics

F Liu, Y Gu, X Shen, S Ferdous, HW Wang… - Progress in Polymer …, 2013 - Elsevier
Recently, significant advances have been made in understanding and manipulating the
morphology of the active layer in bulk heterojunction (BHJ) organic photovoltaic (OPV) …

Control of Chain Alignment and Crystallization Helps Enhance Charge Conductivities and Thermoelectric Power Factors in Sequentially Doped P3HT:F4TCNQ Films

V Untilova, T Biskup, L Biniek, V Vijayakumar… - …, 2020 - ACS Publications
Thermoelectricity has gained considerable interest in the past decade due to the advent of
organic thermoelectric materials. Crystallinity and doping level crucially determine the …

Chain conformations and phase behavior of conjugated polymers

B Kuei, ED Gomez - Soft matter, 2017 - pubs.rsc.org
Conjugated polymers may play an important role in various emerging optoelectronic
applications because they combine the chemical versatility of organic molecules and the …

Controlling the formation of charge transfer complexes in chemically doped semiconducting polymers

DA Stanfield, Y Wu, SH Tolbert… - Chemistry of …, 2021 - ACS Publications
Chemical doping of semiconducting polymers predominantly takes place via integer charge
transfer (ICT), where an electron is entirely removed from the host conjugated polymer and …