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journal article·2020-01Open access

Organic Semiconductors: Reversible Polymorphic Transition and Hysteresis‐Driven Phase Selectivity in Single‐Crystalline C8‐BTBT Rods (Small 3/2020)

Min‐Woo Kim, Sooncheol Kwon, Jehan Kim, Changhoon Lee, Ina Park, Ji Hoon Shim, Il‐Seok Jeong, Yong‐Ryun Jo, Byoungwook Park, Joo‐Hyung Lee, Kwanghee Lee, Bong‐Joong Kim

Small· Volume 16· Issue 3
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Source abstract

Abstract

In article number 1906109, Kwanghee Lee, Bong-Joong Kim, and co-workers synthesize a polymorph of a single crystalline 2,7-dioctyl[1] benzothieno[3,2-b][1]benzothio-phene (C8-BTBT) rod on a low molecular weight poly(methyl methacrylate) (PMMA), which exhibits a reversible change in resistivity by 5.5 orders with hysteresis during thermal cycling. Varying cycling temperatures leads to diverse resistivities near room temperature, important for non-volatile multivalue memories. The polymorph transforms as molecules tilt, thus only a homogeneous single-crystalline phase appears at each temperature.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Advanced Memory and Neural Computing · Conducting polymers and applications · Analytical Chemistry and Sensors

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Affiliations

School of Materials Science and Engineering (SMSE) Gwangju Institute of Science and Technology (GIST) Gwangju 61005 Republic of Korea

Research Institute for Solar and Sustainable Energies (RISE) Gwangju Institute of Science and Technology (GIST) Gwangju 61005 Republic of Korea

Heeger Center for Advanced Materials (HCAM) Gwangju Institute of Science and Technology (GIST) Gwangju 61005 Republic of Korea

Pohang Accelerator Laboratory (PAL) Pohang University of Science and Technology (POSTECH) Pohang 790‐784 Republic of Korea

Department of Chemistry Pohang University of Science and Technology (POSTECH) Pohang 790‐784 Republic of Korea

References

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