Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 6, Issue 14, Pages 3485-3498Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7tc04389a
Keywords
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Funding
- AcRF Tier 1 [RG 8/16, RG114/16]
- National Natural Science Foundation of China [21602113, 61774087]
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Recently, organic donor-acceptor complexes (co-crystals) have been strongly explored as active elements in organic field-effect transistors (OFETs) due to their tunable energy level and different stacking modes. The performance of co-crystal-based FETs can be enhanced through the design and synthesis of novel complexes, the control of the self-assembling morphology of co-crystals on substrates, and the optimization of the fabrication conditions of devices. In this review, we will summarize the recent progress on the methods to prepare donor (D)-acceptor (A) co-crystals and their films, present their structure-property relationships, and discuss their potential applications in OFETs according to the co-crystals with different acceptors, namely, (a) tetracyanoquinodimethane (TCNQ) and derivatives; (b) fullerene derivatives (such as C-60 and C-70); and (c) naphthalenediimide and perylenediimide derivatives. Moreover, co-crystal-based solid solutions and their FET performance are also mentioned.
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