【Grant-in-Aid for Scientific Research (S)】Science and Engineering (Chemistry)
Title of Project： Novel Energy and Information Conversions, Createdby Solid-State Electrochemical Processes
Kunio Awaga( Nagoya University, Graduate School of Science, Professor )Research Project Number：16H06353 Researcher Number：20202772
Research Area： Materials Chemistry
Keyword： Electronic Functions, Surface and Interface, Solid State Electrochemistry
Metal] photocells, to effectively covert pulsed light【Purpose and Background of the Research】
Development of novel information and energy into transient photocurrent, and to realize novel
conversions using ubiquitous materials and technology for energy and information conversions.
methods has attracted much attention. From this Plan C. Development of operando measurements
perspective, solid-state electrochemistry, which has and theory for solid-state electrochemical
innovated various rechargeable batteries and processes. To systematically conduct the researchdye-sensitized solar cells, is receiving a new plans A and B, we work on various operando
spotlight. In this project, we will develop novel measurements under solid-state electrochemicalenergy and information conversions, by using the reactions, such XAFS, XRD, solid-state NMR, andmethodology of solid-state electrochemistry in magnetic and electric measurements. We also
improve the theoretical treatments for theseorganic electronics.
processes, by combing molecular dynamics andmolecular orbital calculations.
【Research Methods】
This project consists of three research themes.
Plan A. Bidirectional research between organic 【Expected Research Achievements andScientific Significance】
electronics and solid-state electrochemistry. We
synthesize the porous compounds, such as The expected research achievements are (i) highmetal-organic frameworks (MOFs) and covalent- energy-densitymolecule-based
rechargeablebond frameworks (COFs), which possess structural batteries consisting of ubiquitous materials, (ii)robustness for ion doping/dedoping in electro- electrochemically-controlled molecular magnets,
chemical processes. These materials are examined and (iii) effective optoelectronic conversions using
as cathode active materials for rechargeable Li transient photocurrent. By exchanging thebatteries (Fig. 1). On the other hand, we try to materials and methodology between solid-stateestablish novel molecular magnetism. Through the electrochemistry and organic electronics, we would
continuous valence control of the MOFs and COFs like establish a win-win relation between the two.
by means of electrochemistry, we realize newfunctions such as para-ferromagnetic switching.
【Publications Relevant to the Project】
Plan B. Electrochemical organic electronics. The ・”Discovery of a “Bipolar Charging” Mechanism
electric double layers (EDLs) at solid-liquidin the Solid-State Electrochemical Process of ainterfaces can produce a huge electric field reaching
Flexible Metal–Organic Framework,” Z. Zhang,to ~109 V/m. In this project, we make use of theH. Yoshikawa and K. Awaga, Chem. Mater.,
EDLs in organic electronics and develop organic
2016, 28, 1298.
transistors and effective organic photocells. We ・ ”Organic optoelectronic interfaces with
develop the [Metal|Semiconductor|Insulator|anomalous transient photocurrent”, L. Hu, X.
Liu, S. Dalgleish, M.M. Matsushita, H.
Yoshikawa and K. Awaga, J. Mater. Chem. C,
2015, 3, 5122.
【Term of Project】FY2016-2020【Budget Allocation】143,000 Thousand Yen

Fig. 1 Hybridization between COF and S8,and its application to Li-S battery.

【Homepage Address and Other Contact
Information】
http://advmat.chem.nagoya-u.ac.jp/
awaga@mbox.chem.nagoya-u.ac.jp