Controlling Polarity of Organic Bulk Heterojunction Field-Effect Transistors via Solvent Additives
Source abstract
Abstract
The effect of additives such as 1,8-diiodooctane (DIO) and 1-chloronaphthalene (CN) on the electronic structures, charge transport and phase separation of small-molecule-based bulk heterojunction (BHJ) films was investigated. Charge transport properties of the BHJ layers significantly changed via the introduction of additives, even though the molecular energy levels remained unchanged. X-ray photoelectron microscopy (XPM) images show the distribution of each phase of the blend films upon the use of additives. The CN additive, in particular, results in a well-percolated network through the active layer.
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Research context
OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Advanced Memory and Neural Computing
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology, Ulsan 689-798, Republic of Korea
Department of Materials Physics, Dong-A University, Busan 604-714, Republic of Korea
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