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Molecular doped organic semiconductor crystals for optoelectronic device applications

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Abstract

For semiconductors, doping is an efficient approach to tune their energy bandgaps, charge transport, and optical properties which could enable the improvement of the corresponding performances and open up the possibility of multifunction integration. Recently, significant advances have been achieved in molecular doped organic semiconductors, especially doped organic semiconductor single crystals (OSSCs) which have features of well-defined packing structures, long-range molecular orders, and low-density defects for fundamental studies and improved properties. In this review, we will give a summary of the exciting progress of molecular doped OSSCs from the aspects of selection criteria of molecular dopants, general growth methods, and resulting optoelectronic properties as well as their applications in optoelectronic devices. Finally, a brief conclusion is given with challenges and perspectives of molecular doped OSSCs and their related promising research directions in this field.

Graphical abstract: Molecular doped organic semiconductor crystals for optoelectronic device applications

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Article information


Submitted
09 Jun 2020
Accepted
21 Aug 2020
First published
27 Aug 2020

J. Mater. Chem. C, 2020, Advance Article
Article type
Review Article

Molecular doped organic semiconductor crystals for optoelectronic device applications

Z. Qin, C. Gao, W. W. H. Wong, M. K. Riede, T. Wang, H. Dong, Y. Zhen and W. Hu, J. Mater. Chem. C, 2020, Advance Article , DOI: 10.1039/D0TC02746D

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