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Volatilization gravimetry is an analytical technique that measures the mass lost due to the volatilization of the substance. This technique is used to estimate the amount of volatile material in a sample. To perform this method, heat a known amount of the sample to a high temperature in a crucible or other suitable vessel. The volatile substance in the sample evaporates, and the vapor is completely expelled from the crucible either by heating the sample or bubbling a stream of inert gas through...

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Related Experiment Video

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Preparation of Silicon Nanowire Field-effect Transistor for Chemical and Biosensing Applications

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Published on: April 21, 2016

Donor-Acceptor Core-Shell Nanoparticles and Their Application in Non-Volatile Transistor Memory Devices.

Chen-Tsyr Lo¹, Yu Watanabe¹, Daiki Murakami¹

¹Department of Polymer Science and Engineering, Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata 992-8510, Japan.

Macromolecular Rapid Communications

|April 26, 2019

Summary

Researchers developed novel crosslinked polymer nanoparticles for advanced memory devices. These donor-acceptor materials exhibit excellent performance, showing potential as charge-storage dielectrics in organic electronics.

Keywords:

block copolymers core-shell donor-acceptor nanoparticles transistor memory

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Published on: February 11, 2016

Area of Science:

Materials Science
Organic Electronics
Polymer Chemistry

Background:

Developing advanced materials for nonvolatile memory is crucial for next-generation electronics.
Polymer nanoparticles offer tunable properties for electronic applications.

Purpose of the Study:

To synthesize and characterize donor-acceptor crosslinked polymer nanoparticles.
To investigate their application in transistor memory devices.

Main Methods:

Synthesis of poly(ethylene glycol) methyl ether-methacrylate)-block-poly[1,1'-bis(2-ethylpentyl)-6-methyl-6'-(5-methyl-3-vinylthiophen-2-yl)-[3,3'-biindoline]-2,2'-dione] (poly(PEGMA)m-b-poly(VTIID)n) nanoparticles.
Fabrication of transistor memory devices using synthesized polymers.
Evaluation of device performance including memory window, retention, and endurance.

Main Results:

Successfully synthesized uniform nanoparticles with core-shell structures.
Enhanced intramolecular charge transfer due to crosslinking.
Achieved nonvolatile flash-type memory with a significant memory window (~38 V).
Demonstrated long retention ability (>10^4 s) and endurance (≥100 cycles).

Conclusions:

Crosslinked poly(PEGMA)-b-poly(VTIID) nanoparticles show promise as charge-storage dielectric materials.
These materials are suitable for developing high-performance organic memory devices.
The study highlights the potential of tailored polymer nanostructures in advanced electronic applications.