The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.
High χ–Low N Block Polymers: How Far Can We Go?
Abstract
High Resolution Image Download MS PowerPoint Slide Block polymers incorporating highly incompatible segments are termed “high χ” polymers, where χ is the Flory–Huggins interaction parameter. These materials have attracted a great deal of interest because low molar mass versions allow for the formation of microphase-separated domains with very small (<10 nm) feature sizes useful for nanopatterning at these extreme dimensions. Given that well-established photolithographic techniques now face difficult challenges of implementation at scales of 10 nm and below, the drive to further develop high χ block polymers is motivated by trends in the microelectronics industry. This Viewpoint highlights our perspective on this niche of block polymer self-assembly. We first briefly review the relevant recent literature, exploring the various block polymer compositions that have been specifically designed for small feature size patterning. We then overview the now standard method for the benchmarking χ values between different pairs of polymers and the consequences of low N and high χ on the thermodynamic aspects of microphase separation. Finally, we comment on restrictions going forward and offer our perspective on the future of this exciting area of block polymer self-assembly.
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Cites
Macroscopic 10-terabit–per–square-inch arrays from block copolymers with lateral order
Park, S., Lee, D. H., Xu, J., Kim, B., Hong, S. W., Jeong, U., Xu, T., & Russell, T. P. (2009) · Science · doi:10.1126/science.1168108 · Cited by 740
Ordered Nanoporous Polymers from Polystyrene−Polylactide Block Copolymers
Zalusky, A. S., Olayo-Valles, R., Wolf, J. H., & Hillmyer, M. A. (2002) · Journal of the American Chemical Society · doi:10.1021/ja0278584 · Cited by 553
Self-citationPolarity-switching top coats enable orientation of sub-10-nm block copolymer domains
Bates, C. M., Seshimo, T., Maher, M. J., Durand, W. J., Cushen, J. D., Dean, L. M., Blachut, G., Ellison, C. J., & Willson, C. G. (2012) · Science · doi:10.1126/science.1226046 · Cited by 385
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Self-citationFluctuations, Order, and Disorder in Short Diblock Copolymers
Lee, S., Gillard, T. M., & Bates, F. S. (2013) · AIChE Journal · doi:10.1002/aic.14023 · Cited by 100
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Cited by
50th Anniversary Perspective: Block Polymers—Pure Potential
Bates, C. M., & Bates, F. S. (2017) · Macromolecules · doi:10.1021/acs.macromol.6b02355 · Cited by 788
Self-citationHigh‐Performance Recyclable Polyester Elastomers Through Transient Strain‐Stiffening
Gao, C., Poon, K. C., Concilio, M., Zinn, T., Gregory, G. L., & Williams, C. K. (2025) · Advanced Materials · doi:10.1002/adma.202416674 · Cited by 26
Semsarilar, M., Greenall, M. J., Balzer, A. H., Sarkar, A. K., Gomri, C., Benkhaled, B. T., Höhme, A.-L., Held, M., Abetz, V., Hutchins-Crawford, H. J., et al. (2025) · ACS Polymers Au · doi:10.1021/acspolymersau.5c00109 · Cited by 1
Metadata
- Authors
- Sinturel, C., Bates, F. S., & Hillmyer, M. A.
- Venue
- ACS Macro Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-09-02
- Volume
- 4
- Issue
- 9
- Pages
- 1044-1050
- ISSN
- 2161-1653 (ISSN-L)
- OpenAlex
- W2518375234
- Cited by
- 460
- References
- 6
- FWCI
- 18.25
- Type
- journal article
- Language
- en
- Open access
- closed
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