WELCOME TO SEMANTICS
（BISRI研）
DEPARTMENT OF APPLIED PHYSICS AND CHEMICAL ENGINEERING, FACULTY OF ENGINEERING
&
DIVISION OF ADVANCED ELECTRICAL AND ELECTRONICS ENGINEERING, INSTITUTE OF ENGINEERING
TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY

March 19th, 2026

Dr. Bisri delivered an invited talk at The Asian International Symposium - Nanotechnology/Materials Chemistry, Resources and Energy, Geochemistry, Nuclear Chemistry, Radiochemistry - held during the 106th Chemical Society of Japan (CSJ) Annual Meeting at Nihon University (Funabashi, Chiba), Japan. The invited talk was about high-performance photodetectors based on a quasi-two-dimensional epitaxially connected superlattice of colloidal quantum dots, from a materials chemistry perspective. 

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March 17th, 2026

Mr. Dadan Suhendar (Doctoral student, D2), Mr. Daiki Kamoshita (Master`s student, M1), and Mr. Soma Ito (Bachelor student, B4) made oral presentations at the 73rd Japan Society of Applied Physics (JSAP) Spring Meeting (Institute of Science Tokyo, Ookayama Campus, Tokyo). They presented their work on PbS QD photodetector devices, AgBiS2 photodetector devices, and the electronic transport of novel iron-compound nanoplatelets, respectively.  

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March 16th, 2026

Our paper demonstrating high-performance photodetector devices based on PbS epitaxially connected quantum dot superlattices has been published in Advanced Optical Materials. This research was performed by Mr. Dadan Suhendar (D3), Mr. Yuto Aoki (OB-B4) and Ms. Chisa Nishiyama (B4), together with Dr. Ricky Septianto (former member, visiting researcher) and Dr. Bisri.   The title of the paper is "High-Performance Photodetectors of Quasi-2-Dimensional Epitaxially-Connected Quantum Dot Superlattices".  link to the paper. link to the press release (JP).

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March 3rd, 2026

We congratulate our D1 doctoral student (Ms. Fidya Mawaddah), who received an "Exchange Research Grant" from Marubun Research Promotion Foundation for her research on colloidal nanocrystal synthesis.  

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February 19th, 2026

Our B4 bachelor's students (Chisa Nishiyama, Ibuki Ogata, Shota Kamata, Soma Ito) successfully defended their bachelor's research theses. The topics of their thesis are: structural engineering of QD superlattices, QD memristors, QD assemblies field-effect transistors, and charge transport investigation of a new nanocrystal compound.  

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February 16th, 2026

Our master`s M2 student (Hiroaki Maemori) successfully defended his master`s research thesis. The title of his master`s thesis is "Synergistic Effect of Metallic SWCNT Networks and Quantum Dots for High-Performance Supercapacitors."  

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February 6th, 2026

We held an online kick-off meeting for our JST-NEXUS-YTec project on "Young Talents Development for Emerging Semiconducting Nanomaterials Research Towards Sustainable Electronic and Energy Devices”.  

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February 1st, 2026

Our lab has started to run a joint international project on "Young Talents Development for Emerging Semiconducting Nanomaterials Research Towards Sustainable Electronic and Energy Devices” （持続可能な電子・エネルギーデバイスに向けた次世代半導体ナノ材料研究のための若手人材育成）together with the Indonesian National Research & Innovation Agency (BRIN). This project is funded by the Japan Science and Technology Agency (JST) under the JST-NEXUS-YTec Program. Through this program, our lab will host several young Indonesian researchers and, in parallel, dispatch several of our lab members to conduct research visits and collaborate in Indonesia. 

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January 15th, 2026

Several of our students (B4 students: Chisa Nishiyama,  Shota Kamata, Ibuki Ogata, Soma Ito; and, M1 students: Daiki Kamoshita) made their debut poster presentations at the CEMS International Symposium on Supramolecular Chemistry and Functional Materials 2026 (CEMSUPRA 2026) (Tokyo). Nishiyama presented her work on colloidal QD superlattices; Kamata presented his work on colloidal QD transistors; Ogata presented his work on neuromorphic devices; Ito presented his work on charge-carrier transport in nanoplatelet assemblies; and Kamoshita presented his work on photodetector devices. Together with them, our Doctoral course students, Fidya Mawaddah and Dadan Suhendar, as well as our visiting researcher member, also presented their works in this conference.

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Jan 7th, 2026

Three SEMANTICS students received awards from The Materials Research Meeting (MRM) 2025 conference. Both Mr. Dadan Suhendar (D3) and Ms. Fidya Mawaddah (D1) received "Oral Presentation Excellence Award" for their presentations. Also, Mr. Yuta Tanaka (M1) obtained the "Poster Presentation Excellence Award". 

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Dec 25th, 2025

Mr. Yuta Tanaka (M1), Mr. Yoshiki Omomo (M1), and Mr. Daiki Kamoshita (M1) successfully presented their mid-term evaluation of their research at TUAT Science Museum Gallery. Their research focuses on computational condensed matter, neuromorphic devices, and optoelectronic devices.

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Dec 11th, 2025

Dr. Bisri and several SEMANTICS students gave presentations at the Materials Research Meeting (MRM) 2025 in Yokohama, Japan. Mr. Dadan Suhendar (Doctoral Student, D3) presented his work on high-performance QD photodetector devices, Ms. Fidya Mawaddah (D1) presented her work on AgBiS2 nanocrystals controlled synthesis and their application in photodetector device, Mr. Hiroaki Maemori (master`s student, M2) presented carbon nanotube network-based supercapacitors, and Mr. Yuta Tanaka (M1) presented the computational work of AgBiS2 nanocrystals to clarify their structure and electronic property relationship. Dr. Bisri co-organized the "Nanomaterials and Quantum Materials for Emerging Technologies" symposia. 

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Nov 12th, 2025

Dr. Bisri delivered a keynote talk at The 2025 International Conference on Radar, Antenna, Microwave, Electronics and Telecommunications (ICRAMET) in Bandung, Indonesia, that was organized by Research Center for Electronics of the National Research and Innovation Agency (BRIN). The keynote talk was about materials discovery in colloidal quantum dots for adaptive sensing applications. ​

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​​News Archives​

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Aug 4th, 2025

Our paper on the synthesis of AgBiS2 colloidal nanocrystals and the demonstration of high-performance photodetector devices has been published in Nanoscale. The title of the paper is "Evolution of the formation of AgBiS2 colloidal nanocrystals for optoelectronic devices". link to the paper. link to TUAT press release​​​​​

 

​​May 11th, 2025

An invited review paper on charge carrier injection and extraction of colloidal quantum dot assemblies, written by Dr. Bisri, has been published in the Journal of Information Display. The paper is a part of a Special Issue on "Quantum Dots: Enabling the Next Evolution in Display Technology". link to the paper. link to the Special Issue. 

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May 7th, 2025

A research paper on the analysis of the π-SnS Nanocrystals synthesis method has been published in ACS Applied Nano Materials. link to the paper.  

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February 3rd, 2025

Our paper on single quantum dot transistors has been published in Nanoscale (RSC). It is a result of collaborative work together with the Institute of Science Tokyo and RIKEN. By precisely anchoring a single PbS quantum dot, we demonstrated resonant tunneling transistors exhibiting multiple negative differential resistance (NDRs), an important milestone for solution-processable quantum electronic devices. (open access) link to the paper

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January 19th, 2025

A paper on our collaborative work with universities in several Southeast Asian countries, including Institut Teknologi Sepuluh Nopember (Indonesia), National University of Singapore, Universiti Kebangsaan Malaysia, and Universiti Brunei Darussalam, has been published in ACS Applied Energy Materials. The paper discusses the development of dendritic fibrous nano silica-titania for high-performance photocatalytic hydrogen evolution. This paper marks our group's first involvement in the hydrogen research direction. link to the paper ​

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January 10th, 2025

Our group will co-organize the "Nanomaterials and Quantum Materials for Emerging Technologies" symposium in the Materials Research Meeting (MRM) 2025 (December 8th-13th, 2025) in Yokohama. Link to the website

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December 19th, 2024

Dr. Bisri was interviewed for the TUAT Professor Encyclopedia (農工大先生大図鑑). link to the interview page (in Japanese). 

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August 8th, 2024

Our invited review paper on Silver Bismuth Sulfide Quantum Dots has been published in Nanomaterials (Q1). The paper's title is "Advancing Silver Bismuth Sulfide Quantum Dots for Practical Solar Cell Applications." It appears in the Special Issue of "Advancing the Sustainable Application of Nanostructured Materials in Solar Cells". Link to the paper (Open Access).​

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May 17th, 2024

Our paper on using colloidal semiconductor quantum dots as building blocks of high-performance supercapacitors has been published in ACS Applied Materials & Interfaces. The title of the paper is "High Volumetric Energy Density Supercapacitor of Additive-Free Quantum Dot Hierarchical Nanopore Structure." The paper.   ​

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Nov 18th, 2023

A paper on our collaborative work with the Tohoku Institute of Technology, "Single PbS Colloidal Quantum Dot Transistors" has just been published in Nature Communications. The paper. TUAT press release. RIKEN press release.  

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May 26th, 2023

Our paper, "Enabling metallic behaviour in twodimensional superlattice of semiconductor colloidal quantum dots" has just been published in Nature Communications. RIKEN press release (jpn). RIKEN press release (en). TUAT press release. the paper.

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News Archives