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Solution‐Grown, Macroscopic Organic Single Crystals Exhibiting Three‐Dimensional Anisotropic Charge‐Transport Properties
Author(s) -
Fraboni Beatrice,
Femoni Cristina,
Mencarelli Ivan,
Setti Leonardo,
Di Pietro Riccardo,
Cavallini Anna,
FraleoniMorgera Alessandro
Publication year - 2009
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200802904
Subject(s) - materials science , anisotropy , planar , charge (physics) , charge carrier , single crystal , space charge , electron mobility , condensed matter physics , chemical physics , crystallography , optoelectronics , optics , physics , chemistry , computer graphics (images) , quantum mechanics , computer science , electron
Macroscopic single crystals of 4‐hydroxy‐cyanobenzene (4HCB) grown from solution exhibit reproducible and marked 3D mobility anisotropy. Air‐gap OFET measurements along the planar axes a and b deliver average mobilities of 3 × 10 −2 and 6 × 10 −3 cm 2 V −1 s −1 , respectively. Space‐charge‐limited current (SCLC) experiments reveal an average mobility along the c axis of 4 × 10 −6 cm 2 V −1 s −1 .