The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
Nano-Confinement Induced Chain Alignment in Ordered P3HT Nanostructures Defined by Nanoimprint Lithography
Abstract
Control of polymer morphology and chain orientation is of great importance in organic solar cells and field effect transistors (OFETs). Here we report the use of nanoimprint lithography to fabricate large-area, high-density, and ordered nanostructures in conjugated polymer poly(3-hexylthiophene) or P3HT, and also to simultaneously control 3D chain alignment within these P3HT nanostructures. Out-of-plane and in-plane grazing incident X-ray diffraction were used to determine the chain orientation in the imprinted P3HT nanostructures, which shows a strong dependence on their geometry (gratings or pillars). Vertical chain alignment was observed in both nanogratings and nanopillars, indicating strong potential to improve charge transport and optical properties for solar cells in comparison to bulk heterojunction structure. For P3HT nanogratings, pi-pi stacking along the grating direction with an angular distribution of +/-20 degrees was found, which is favorable for OFETs. We propose the chain alignment is induced by the nanoconfinement during nanoimprinting via pi-pi interaction and hydrophobic interaction between polymer chain and mold surfaces.
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Cites
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On the morphology of polymer‐based photovoltaics
Liu, F., Gu, Y., Jung, J. W., Jo, W. H., & Russell, T. P. (2012) · Journal of Polymer Science Part B: Polymer Physics · doi:10.1002/polb.23063 · Cited by 323
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Characterization of the morphology of solution-processed bulk heterojunction organic photovoltaics
Liu, F., Gu, Y., Shen, X., Ferdous, S., Wang, H.-W., & Russell, T. P. (2013) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2013.07.010 · Cited by 268
Crystal orientation of PEO confined within the nanorod templated by AAO nanochannels
Liu, C.-L., & Chen, H.-L. (2018) · Soft Matter · doi:10.1039/c8sm00795k · Cited by 22
Lin, D., Liu, J., Haroldson, R., Moon, J., Li, Z., Zakhidov, A., Hu, W., & Gu, Q. (2022) · Advanced Optical Materials · doi:10.1002/adom.202201516 · Cited by 21
Self-citation
Metadata
- Authors
- Aryal, M., Trivedi, K., & Hu, W. (.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-09-04
- Volume
- 3
- Issue
- 10
- Pages
- 3085-3090
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2084044385
- Cited by
- 323
- References
- 10
- FWCI
- 20.33
- Type
- journal article
- Language
- en
- Open access
- closed
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