Semiconducting Polymers with Nanocrystallites Interconnected via Boron-Doped Carbon Nanotubes
- Type
- Article
- Citation
- NANO LETTERS, v.14, no.12, pp.7100 - 7106
- Issued Date
- 2014-11
- Abstract
- Organic semiconductors are key building blocks for future electronic devices that require unprecedented properties of low-weight, flexibility, and portability. However, the low charge-carrier mobility and undesirable processing conditions limit their compatibility with low-cost, flexible, and printable electronics. Here, we present significantly enhanced field-effect mobility (mu FET) in semiconducting polymers mixed with boron-doped carbon nanotubes (B-CNTs). In contrast to undoped CNTs, which tend to form undesired aggregates, the B-CNTs exhibit an excellent dispersion in conjugated polymer matrices and improve the charge transport between polymer chains. Consequently, the B-CNT-mixed semiconducting polymers enable the fabrication of high-performance FETs on plastic substrates via a solution process; the mu FET of the resulting FETs reaches 7.2 cm(2) V-1 s(-1), which is the highest value reported for a flexible FET based on a semiconducting polymer. Our approach is applicable to various semiconducting polymers without any additional undesirable processing treatments, indicating its versatility, universality, and potential for high-performance printable electronics.
- Publisher
- AMER CHEMICAL SOC
- ISSN
- 1530-6984
- Appears in Collections:
- Department of Materials Science and Engineering > 1. Journal Articles
Research Institutes > 1. Journal Articles
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