Recent advances in bulk heterojunction polymer solar cells

L Lu, T Zheng, Q Wu, AM Schneider, D Zhao… - Chemical …, 2015 - ACS Publications
It is clear that the current energy regimen, which relies on nonrenewable and polluting
energy sources, has unsustainable consequences for societal, economical, geopolitical, and …

A review of grazing incidence small‐and wide‐angle x‐ray scattering techniques for exploring the film morphology of organic solar cells

A Mahmood, JL Wang - Solar RRL, 2020 - Wiley Online Library
In recent years, a rapid evolution of organic solar cells (OSCs) has been achieved by virtue
of structural design of active layer materials and optimization of film morphology. Along with …

Bulk heterojunction solar cells: morphology and performance relationships

Y Huang, EJ Kramer, AJ Heeger, GC Bazan - Chemical reviews, 2014 - ACS Publications
With the hope of solving the present energy crisis and associated environmental issues,
much research has been focused on solar cells that can harvest energy directly from …

A general relationship between disorder, aggregation and charge transport in conjugated polymers

R Noriega, J Rivnay, K Vandewal, FPV Koch… - Nature materials, 2013 - nature.com
Conjugated polymer chains have many degrees of conformational freedom and interact
weakly with each other, resulting in complex microstructures in the solid state …

The active layer morphology of organic solar cells probed with grazing incidence scattering techniques

P Müller‐Buschbaum - Advanced materials, 2014 - Wiley Online Library
Grazing incidence X‐ray scattering (GIXS) provides unique insights into the morphology of
active materials and thin film layers used in organic photovoltaic devices. With grazing …

Molecular design and ordering effects in π-functional materials for transistor and solar cell applications

PM Beaujuge, JMJ Fréchet - Journal of the American Chemical …, 2011 - ACS Publications
Organic electronics are broadly anticipated to impact the development of flexible thin-film
device technologies. Among these, solution-processable π-conjugated polymers and small …

Terthiophene-based D–A polymer with an asymmetric arrangement of alkyl chains that enables efficient polymer solar cells

H Hu, K Jiang, G Yang, J Liu, Z Li, H Lin… - Journal of the …, 2015 - ACS Publications
We report a series of difluorobenzothiadizole (ffBT) and oligothiophene-based polymers with
the oligothiophene unit being quaterthiophene (T4), terthiophene (T3), and bithiophene (T2) …

Fluorine substituents reduce charge recombination and drive structure and morphology development in polymer solar cells

AC Stuart, JR Tumbleston, H Zhou, W Li… - Journal of the …, 2013 - ACS Publications
Three structurally identical polymers, except for the number of fluorine substitutions (0, 1, or
2) on the repeat unit (BnDT-DTBT), are investigated in detail, to further understand the …

Design and synthesis of molecular donors for solution-processed high-efficiency organic solar cells

JE Coughlin, ZB Henson, GC Welch… - Accounts of chemical …, 2014 - ACS Publications
Organic semiconductors incorporated into solar cells using a bulk heterojunction (BHJ)
construction show promise as a cleaner answer to increasing energy needs throughout the …

Non‐basic high‐performance molecules for solution‐processed organic solar cells

TS Van Der Poll, JA Love, TQ Nguyen… - Advanced …, 2012 - Wiley Online Library
Small-molecule bulk-heterojunction (SM BHJ) organic photovoltaics (OPVs) have become a
competitive alternative to the more widely studied conjugated polymer based …