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Enhancing exciton diffusion length provides new opportunities for organic photovoltaics

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Enhancing exciton diffusion length provides new opportunities for organic photovoltaics. / Sajjad, Muhammad T.; Ruseckas, Arvydas; Samuel, Ifor David William.

In: Matter, Vol. 3, No. 2, 05.08.2020, p. 341-354.

Research output: Contribution to journalReview article

Harvard

Sajjad, MT, Ruseckas, A & Samuel, IDW 2020, 'Enhancing exciton diffusion length provides new opportunities for organic photovoltaics', Matter, vol. 3, no. 2, pp. 341-354. https://doi.org/10.1016/j.matt.2020.06.028

APA

Sajjad, M. T., Ruseckas, A., & Samuel, I. D. W. (2020). Enhancing exciton diffusion length provides new opportunities for organic photovoltaics. Matter, 3(2), 341-354. https://doi.org/10.1016/j.matt.2020.06.028

Vancouver

Sajjad MT, Ruseckas A, Samuel IDW. Enhancing exciton diffusion length provides new opportunities for organic photovoltaics. Matter. 2020 Aug 5;3(2):341-354. https://doi.org/10.1016/j.matt.2020.06.028

Author

Sajjad, Muhammad T. ; Ruseckas, Arvydas ; Samuel, Ifor David William. / Enhancing exciton diffusion length provides new opportunities for organic photovoltaics. In: Matter. 2020 ; Vol. 3, No. 2. pp. 341-354.

Bibtex - Download

@article{e3e0c7e44bed4d328cd8122fbad1011a,
title = "Enhancing exciton diffusion length provides new opportunities for organic photovoltaics",
abstract = "Organic semiconductors can potentially revolutionize solar cell technology by offering very thin, lightweight, and flexible modules for outdoor and indoor power generation. Light absorption in organic semiconductors generates a bound electron-hole pair (exciton), which needs to travel to the interface between electron donor and acceptor materials to dissociate into charge carriers. Because the exciton diffusion length in organic semiconductors is typically much shorter than the light absorption depth (∼100 nm), planar donor-acceptor heterojunctions are inefficient, and most effort has been dedicated to optimization of bulk heterojunctions with nanoscale phase separation. In this Perspective, we review recent findings and new approaches to increase the exciton diffusion length and discuss how these improvements can benefit environmentally friendly production of solar modules using organic nanoparticles or graded heterojunctions obtained by sequential deposition of electron donor and acceptor.",
keywords = "Organic solar cell, Organic semiconductor, Energy transfer, Heterojunction, Light-harvesting, Solution-processing",
author = "Sajjad, {Muhammad T.} and Arvydas Ruseckas and Samuel, {Ifor David William}",
note = "Authors acknowledge support from the European Research Council (grant 321305) And are also grateful to EPSRC for support from grants (EP/L017008/1) and (EP/M025330/1). ",
year = "2020",
month = aug,
day = "5",
doi = "10.1016/j.matt.2020.06.028",
language = "English",
volume = "3",
pages = "341--354",
journal = "Matter",
issn = "2590-2385",
publisher = "Elsevier Inc.",
number = "2",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Enhancing exciton diffusion length provides new opportunities for organic photovoltaics

AU - Sajjad, Muhammad T.

AU - Ruseckas, Arvydas

AU - Samuel, Ifor David William

N1 - Authors acknowledge support from the European Research Council (grant 321305) And are also grateful to EPSRC for support from grants (EP/L017008/1) and (EP/M025330/1).

PY - 2020/8/5

Y1 - 2020/8/5

N2 - Organic semiconductors can potentially revolutionize solar cell technology by offering very thin, lightweight, and flexible modules for outdoor and indoor power generation. Light absorption in organic semiconductors generates a bound electron-hole pair (exciton), which needs to travel to the interface between electron donor and acceptor materials to dissociate into charge carriers. Because the exciton diffusion length in organic semiconductors is typically much shorter than the light absorption depth (∼100 nm), planar donor-acceptor heterojunctions are inefficient, and most effort has been dedicated to optimization of bulk heterojunctions with nanoscale phase separation. In this Perspective, we review recent findings and new approaches to increase the exciton diffusion length and discuss how these improvements can benefit environmentally friendly production of solar modules using organic nanoparticles or graded heterojunctions obtained by sequential deposition of electron donor and acceptor.

AB - Organic semiconductors can potentially revolutionize solar cell technology by offering very thin, lightweight, and flexible modules for outdoor and indoor power generation. Light absorption in organic semiconductors generates a bound electron-hole pair (exciton), which needs to travel to the interface between electron donor and acceptor materials to dissociate into charge carriers. Because the exciton diffusion length in organic semiconductors is typically much shorter than the light absorption depth (∼100 nm), planar donor-acceptor heterojunctions are inefficient, and most effort has been dedicated to optimization of bulk heterojunctions with nanoscale phase separation. In this Perspective, we review recent findings and new approaches to increase the exciton diffusion length and discuss how these improvements can benefit environmentally friendly production of solar modules using organic nanoparticles or graded heterojunctions obtained by sequential deposition of electron donor and acceptor.

KW - Organic solar cell

KW - Organic semiconductor

KW - Energy transfer

KW - Heterojunction

KW - Light-harvesting

KW - Solution-processing

U2 - 10.1016/j.matt.2020.06.028

DO - 10.1016/j.matt.2020.06.028

M3 - Review article

VL - 3

SP - 341

EP - 354

JO - Matter

JF - Matter

SN - 2590-2385

IS - 2

ER -

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