Fluorination of Metal Phthalocyanines: Single-Crystal Growth, Efficient N-Channel Organic Field-Effect Transistors and Structure-Property Relationships

The fluorination of p-type metal phthalocyanines produces n-type semiconductors, allowing the design of organic electronic circuits that contain inexpensive heterojunctions made from chemically and thermally stable p- and n-type organic semiconductors. For the evaluation of close to intrinsic transp...

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Bibliographic Details
Published in:Scientific reports 2014-12, Vol.4 (1), p.7573-7573, Article 7573
Main Authors: Jiang, Hui, Ye, Jun, Hu, Peng, Wei, Fengxia, Du, Kezhao, Wang, Ning, Ba, Te, Feng, Shuanglong, Kloc, Christian
Format: Article
Language:English
Subjects:
119/118
147/143
147/28
639/301/1005/1007
639/301/119/995
639/638/298/917
639/638/440/947
Circuits
Crystal growth
Crystal structure
Crystals
Humanities and Social Sciences
Metals
multidisciplinary
Science
Semiconductors
Transistors
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Summary:The fluorination of p-type metal phthalocyanines produces n-type semiconductors, allowing the design of organic electronic circuits that contain inexpensive heterojunctions made from chemically and thermally stable p- and n-type organic semiconductors. For the evaluation of close to intrinsic transport properties, high-quality centimeter-sized single crystals of F 16 CuPc, F 16 CoPc and F 16 ZnPc have been grown. New crystal structures of F 16 CuPc, F 16 CoPc and F 16 ZnPc have been determined. Organic single-crystal field-effect transistors have been fabricated to study the effects of the central metal atom on their charge transport properties. The F 16 ZnPc has the highest electron mobility (~1.1 cm 2 V −1 s −1 ). Theoretical calculations indicate that the crystal structure and electronic structure of the central metal atom determine the transport properties of fluorinated metal phthalocyanines.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep07573