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Title: Effects of Magnetic Nanoparticles and External Magnetostatic Field on the Bulk Heterojunction Polymer Solar Cells

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep09265· OSTI ID:1177694
 [1];  [1];  [1];  [2];  [1];  [2]
  1. Univ. of Akron, OH (United States). College of Polymer Science and Polymer Engineering
  2. Univ. of Akron, OH (United States). College of Polymer Science and Polymer Engineering; South China Univ. of Technology, Guangzhou (China). State Key Lab. of Luminescent Materials and Devices

The price of energy to separate tightly bound electron-hole pair (or charge-transfer state) and extract freely movable charges from low-mobility materials represents fundamental losses for many low-cost photovoltaic devices. In bulk heterojunction (BHJ) polymer solar cells (PSCs), approximately 50% of the total efficiency lost among all energy loss pathways is due to the photogenerated charge carrier recombination within PSCs and low charge carrier mobility of disordered organic materials. To address these issues, we introduce magnetic nanoparticles (MNPs) and orientate these MNPS within BHJ composite by an external magnetostatic field. Over 50% enhanced efficiency was observed from BHJ PSCs incorporated with MNPs and an external magnetostatic field alignment when compared to the control BHJ PSCs. The optimization of BHJ thin film morphology, suppression of charge carrier recombination, and enhancement in charge carrier collection result in a greatly increased short-circuit current density and fill factor, as a result, enhanced power conversion efficiency.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1177694
Journal Information:
Scientific Reports, Vol. 5, Issue 03, 2015; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 52 works
Citation information provided by
Web of Science

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Cited By (8)

Gradient of zinc content in core–shell zinc ferrite nanoparticles – precise study on composition and magnetic properties journal January 2019
Functionality of Non‐Fullerene Electron Acceptors in Ternary Organic Solar Cells journal September 2019
Perovskite Solar Fibers: Current Status, Issues and Challenges journal October 2019
Vibronic quantized tunneling controlled photoinduced electron transfer in an organic solar cell subjected to an external electric field journal January 2017
Excitation Density Dependent Photoluminescence Quenching and Charge Transfer Efficiencies in Hybrid Perovskite/Organic Semiconductor Bilayers journal October 2018
Magnetically Tunable Organic Semiconductors with Superparamagnetic Nanoparticles preprint January 2019
Flexible, Large-Area Organic Solar Cells With Improved Performance Through Incorporation of CoFe2O4 Nanoparticles in the Active Layer journal January 2019
Probing the multi-step crystallization dynamics of micelle templated nanoparticles: structural evolution of single crystalline γ-Fe 2 O 3 journal January 2019

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