Dr. Rubaiyet Iftekharul Haque [RUH] | North South University

Full Time Faculty

Assistant Professor

Postdoctoral Scientist, DTU, Denmark.

Postdoctoral Scientist, EPFL, Switzerland.

Ph.D. (Microelectronics), National School of Mines of Saint-Étienne, France.

M.Sc. (Materials Science), University of Aveiro (Portugal), Aalborg University (Denmark) & Hamburg University of Technology (Germany)

B.Sc. (Physics), University of Chittagong, Bangladesh.

Office:	SAC 1065A
Phone:	+880-2-55668200 (Ext: 6398)
Email:	[email protected]

Website:	Personal website	Google Scholar	Web of Science
	ORCiD	Linkedin	Researchgate

Research Lab: Functional Materials and Integrated Systems Lab (FMISL)

About

Dr. Rubaiyet Iftekharul Haque is currently working as an Assistant Professor at the school of Engineering and Physical Sciences, The North South University, Dhaka, Bangladesh.

He holds a Ph.D. in microelectronics from the Flexible Electronics Department at the 'Centre Microélectronique de Provence' of the École nationale supérieure des Mines de Saint-Étienne, France. He was the recipient of a CIFRE doctoral fellowship and under its framework, he worked in TAGSYS RFID, a French company. His Ph.D. research was dedicated to the fields of printed electronics, and acoustic sensor design, optimization and development. He received B.Sc. (Hons) in Physics from University of Chittagong (Bangladesh), and carried out his master degree in 'Joint European Masters in Materials Science (EMMS)', jointly offered by the University of Aveiro (Portugal), Hamburg University of Technology (Germany), and Aalborg University (Denmark).

Dr. Rubaiyet I. Haque, from February 2020 to March 2022, worked as a senior post-doctoral scientist in the 'Department of Mechanical Engineering' of the Technical University of Denmark (DTU). He was a Marie Curie fellow, and his research was focused on the design and development of ice lithography system, a micro- & nano-scale additive manufacturing tool, sensor and actuator, and neural probe for brain stimulation. From 2016 to 2019, he worked in the 'Institutes of Microengineering and Electrical Engineering' of the École Polytechnique Fédérale de Lausanne (EPFL), Microcity, Neuchâtel, Switzerland as a post-doctoral scientist. His research was focused on sensors, actuators, energy harvesting, self-powered energy autonomous electronics, flexible and printed electronics, 3D additive manufacturing. His research interest lies in the field of sensors and actuators, mechanical energy harvesting, wearable and implantable devices, flexible, stretchable and printed electronics, additive manufacturing, 3D printed electronics.

Selected Publications

JOURNAL (PEER REVIEWED) PUBLICATIONS:

#	Year	Details	Publisher	IF	Q-factor
24	2026	Rifat Sarker Apu, Musa Talukder, Md. Harunur Rashid and Rubaiyet I. Haque, "First-Principles DFT Investigation of Physical and Superconducting Properties in Cesium-Based Ternary Compounds CsT2Si2 (T = Ni, In, Ga, Rh, Ta, Ir)", Advances in Materials Science and Engineering, 2026, 6136657, 16 pages. doi: https://doi.org/10.1155/amse/6136657.	Wiley	3.26	Q2

23	2026	Md. Mahfuzur Rahman, Rifat Sarker Apu, Anik Kumar Das, Mohammad Kamrul Hasan, Md. Farhad Hossain and Rubaiyet I. Haque, “MXene-Based Self-Powered Flexible Sensors: Advances in Fabrication, Sensing Mechanisms, and DFT-Driven Performance Optimization”, Advanced Energy and Sustainability Research, 2026, 7(4), e70182. doi: https://doi.org/10.1002/aesr.70182.	Wiley	6.4	Q1

22	2026	Rifat Sarker Apu, Samiul A Khan, Hatem Taha, Md. Serajum Manir, Hussein A Miran, Zainab N. Jaf, Musa Talukder, Md. Sohan Sheikh, Raihan Sarker, Rubaiyet I. Haque, Amun Amri, Nourin Arobi, M. Harunur Rashid, and M. Mahbubur Rahman, “Hydrothermal Synthesis and Comprehensive DFT Evaluation of Ba2PrMnO6 Double Perovskite Nanocrystals for Next-Generation Spintronic and Optoelectronic Technologies”, J. Mater. Chem. C, 2026 (Accepted). doi: https://doi.org/10.1039/D5TC04258E.	Royal Society of Chemistry	5.1	Q1

21	2025	Bingdong Chang, Gwendoline A. E. Anand, Rubaiyet Haque, Dylan Chiaro, Emma Xu, Mona Sharma, Andrew Williams, Frank Niclaus, Daryl W. Yee, Gavin King, Anpan Han, Ice Lithography: Recent Progress Opens a New Frontier of Opportunities, Advanced Functional Materials, 2025, e15237. doi: https://doi.org/10.1002/adfm.202515237.	Wiley	19.0	Q1

20	2025	Dylan Chiaro, Travis Hager, Kyle Renshaw, Bailey Moore, Arash Ghobadi, Rubaiyet Haque, Anpan Han, Bernadette Broderick, Suchismita Guha, and Gavin King, Precise Fabrication of Graphite-like Material Directly on Biological Membrane Enabled by Ethanol Ice Resist, Nano Letters, April 2025, 25, 7107 - 7114. doi: https://doi.org/10.1021/acs.nanolett.5c01265.	ACS Publications	9.1	Q1

19	2025	Rifat Sarker Apu, Nazmul Hasan, Rubaiyet Haque, Alamgir Kabir, and M. Harunur Rashid, Ferromagnetic Double Sr₂PrSnO₆ Perovskite: DFT Analysis of Physical, Optoelectronic, and Transport Properties for Advanced Opto-spintronics, AIP Advances, 2025, 15, 035043. doi: https://doi.org/10.1063/5.0251810.	AIP Publishing	1.7	Q3

18	2024	Meritxell Rovira; Céline Lafaye; Silvia Demuru; Brince Paul Kunnel; Joan Aymerich; Javier Cuenca; Francesc Serra-Graells; Josep Maria Margarit-Taulé; Rubaiyet Haque; Mathieu Saubade; César Fernández-Sánchez, Assessing the performance of a robust multiparametric wearable patch integrating silicon-based sensors for real-time continuous monitoring of sweat biomarkers, Biosensors and Bioelectronics, 2024, 262, 116560. doi: https://doi.org/10.1016/j.bios.2024.116560.	Elsevier	10.5	Q1

17	2024	Affan K. Waafi, Bingdong Chang, Joachim Lyngholm- Kjærby, Rubaiyet I. Haque, and Anpan Han, Electron beam processing of organic ice for low-toxicity submicrometer additive manufacturing, Additive Manufacturing, 2024, 84, 104114 doi: https://doi.org/10.1016/j.addma.2024.104114.	Elsevier	11.1	Q1

16	2023	Marco R. Binelli, Ryan van Dommelen, Yannick Nagel, Jaemin Kim, Rubaiyet I. Haque, Fergal B. Coulter, Gilberto Siqueira, André R. Studart, Danick Briand, Digital Manufacturing of Personalized Shoe Insoles with Embedded Sensors, Scientific Reports, 2023, 13, 1962. doi: https://doi.org/10.1038/s41598-023-29261-0.	Nature	4.5	Q1

15	2023	Rubaiyet I. Haque, Affan K. Waafi, Bingdong Chang, and Anpan Han, Ice lithography using Tungsten Hexacarbonyl, Micro and Nano Engineering, 2023, 18, 100171, doi: https://doi.org/10.1016/j.mne.2023.100171.	Elsevier	3.1	Q2

14	2022	Rubaiyet I. Haque, Martin Lubej, and Danick Briand, Design and printing of a coplanar capacitive proximity sensor to detect the gap between dielectric foils edges, Sensors & Actuators A: Physical, 2022, 337, 113424, doi: https://doi.org/10.1016/j.sna.2022.113424.	Elsevier	4.9	Q1

13	2022	Rubaiyet I. Haque, Affan K. Waafi, Kim Jaemin, Danick Briand, and Anpan Han, 80 K cryogenic stage for ice lithography, Micro and Nano Engineering, 2022, 14, 100101, doi: https://doi.org/10.1016/j.mne.2021.100101.	Elsevier	3.1	Q2

12	2021	Ryan van Dommelen, Rubaiyet I. Haque, Olivier Chandran, Sébastien Lani, and Danick Briand, In-situ laser sintering for 3D printed electronics composed out of flexible and soft materials, Flexible and Printed Electronics, 2021, 6, 045003; doi: https://doi.org/10.1088/2058-8585/ac20c0.	IOP Science	3.2	Q2

11	2021	Hoa Thanh Le, Rubaiyet I. Haque, Ouyang Ziwei, Seung Woo Lee, Shelley I. Fried, Ding Zhao, Min Qiu, Anpan Han, MEMS inductor fabrication and emerging applications in power electronics and neurotechnologies, Microsystems & Nanoengineering, 2021, 7, 59, doi: https://doi.org/10.1038/s41378-021-00275-w.	Nature	9.9	Q1

10	2019	Alexis Marette, Rubaiyet I. Haque, Xiaobin Ji, Ronan Hinchet, Herbert R. Shea, and Danick Briand, Triboelectric-TFT flip-flop for bistable latching of dielectric elastomer actuators, Advanced Electronic Materials, 2019, 1900205, doi: https://doi.org/10.1002/aelm.201900205.	Wiley	6.7	Q1

9	2019	Rubaiyet I. Haque and Danick Briand, Triboelectric free-standing flapping films generator for energy harvesting from gas flow in pipes, Smart Materials and Structures, 2019, 28 (8), 085002, doi: https://doi.org/10.1088/1361-665X/ab0840.	IOP Science	4.1	Q1

8	2018	Rubaiyet I. Haque, Olivier Chandran, Sébastien Lani, and Danick Briand, Self-powered triboelectric touch sensor made of 3D printed materials, Nano Energy, 2018, 52, 54-62. doi: https://doi.org/10.1016/j.nanoen.2018.07.038.	Elsevier	17.1	Q1

7	2017	Rubaiyet I. Haque, Pierre-Andre Farine, and Danick Briand, Soft triboelectric generators by use of cost-effective elastomers and simple casting process, Sensors & Actuators A: Physical, 2017, 271, 88-95, doi: https://doi.org/10.1016/j.sna.2017.12.018.	Elsevier	4.9	Q1

6	2017	Rubaiyet I. Haque, Erick Ogam, Patrick Benaben, Xavier Boddaert, Inkjet-printed membrane for a capacitive acoustic sensor: development and characterization using laser vibrometer, Sensors, 2017, 17 (5), 1056; doi: https://doi.org/10.3390/s17051056.	MDPI	4.0	Q1

5	2016	Rubaiyet I. Haque, Rémy Vié, Michel Germainy, Laurie Valbin, Patrick Benaben, Xavier Boddaert, Inkjet printing of high molecular weight PVDF-TrFE for flexible electronics, Flexible and Printed Electronics, 2016, 1(1), 015001; doi: https://doi.org/10.1088/2058-8585/1/1/015001.	IOP Science	3.2	Q2

4	2015	Rubaiyet I. Haque, Erick Ogam, Patrick Benaben, Xavier Boddaert, Fabrication of capacitive acoustic resonator combining 2D and 3D printing technique, Sensors, 2015, 15(10), 26018-26038; doi: https://doi.org/10.3390/s151026018.	MDPI	4.0	Q1

3	2015	Rubaiyet I. Haque, Christophe Loussert, Michelle Sergent, Patrick Benaben, Xavier Boddaert, Optimization of capacitive acoustic resonant sensor using numerical simulation and design of experiment, Sensors, 2015, 15(4), 8945-8967; doi: https://doi.org/10.3390/s150408945.	MDPI	4.0	Q1

2	2012	Jing Ma, Rubaiyet I. Haque, Raino Mikael Larsen, Crystallization and mechanical properties of functionalized single-walled carbon nanotubes/polyvinylidene fluoride composites, Journal of Reinforced Plastics and Composites 2012, 31 (21), pp. 1417-1425, doi: https://doi.org/10.1177/0731684412456747.	SAGE	3.1	Q1

1	2012	Amit Mahajan, Rubaiyet I. Haque, Paula M. Vilarinho, and Angus Kingon, Microscopy Studies of Carbon Nanotubes/Ferroelectric Composites for Microelectronics, Microscopy and Microanalysis 2012, 18 (Suppl. 5), pp 107-108, doi: https://doi.org/10.1017/S1431927612013190.	Oxford University Press	3.2	Q2

CONFERENCE PROCEEDINGS:

#	Year	Details	Publisher
8	2020	Ryan van Dommelen, Julien Berger, Rubaiyet I. Haque, Marco R. Binelli, Gilberto de Freitas Siqueira, André R. Studart, and Danick Briand, Fully 3D printed Mechanical Pressure Sensors: A Comparison of Sensing Mechanisms, IEEE Sensors, Rotterdam, Netherlands, 2020, pp 1-4. doi: https://doi.org/10.1109/SENSORS47125.2020.9278862.	IEEE

7	2019	Silvia Demuru, Rubaiyet I. Haque, Marc O. Yoho, Peter Van Der Wal and Danick Briand, 3D-integration of printed electrochemical sensors in PET microfluidics for biochemical sensing, IEEE Proceedings for 20th Transducers Conference, 2019, 2464-2467, doi: https://doi.org/10.1109/TRANSDUCERS.2019.8808497.	IEEE

6	2019	Rubaiyet I. Haque, Amr Arafat, and Danick Briand, Triboelectric effect to harness fluid flow energy, Journal of Physics: Conference Series (JPCS), 2019, 1407, 012084, doi: https://doi.org/10.1088/1742-6596/1407/1/012084.	IOP Science

5	2017	Rubaiyet I. Haque, Pierre-Andre Farine and Danick Briand, 3D printed materials based triboelectric device for energy harvesting and sensing, Proceedings, 2017, 1(4) 580, doi: https://doi.org/10.3390/proceedings1040580.	MDPI

4	2017	Rubaiyet I. Haque, Pierre-Andre Farine, and Danick Briand, Soft triboelectric band for sensing of and energy scavenging from body motion, Proceedings, 2017, 1(4), 387, doi: https://doi.org/10.3390/proceedings1040387.	MDPI

3	2017	Rubaiyet I. Haque, Grégoire Ferracci, Pierre-Andre Farine, and Danick Briand, Fully casted stretchable triboelectric device for energy harvesting and sensing made of elastomeric materials, in 19th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS), Kaohsiung, Taiwan, 2017, 1816-1819, doi: https://doi.org/10.1109/TRANSDUCERS.2017.7994422.	IEEE

2	2016	Rubaiyet I. Haque, Pierre-André Farine, and Danick Briand, Electrically conductive fiber based stretchable triboelectric energy harvester, Journal of Physics: Conference Series (JPCS), 2016, 773, 012097, doi: https://doi.org/10.1088/1742-6596/773/1/012005.	IOP Science

1	2016	Rubaiyet I. Haque, Pierre-André Farine, and Danick Briand, Fully casted soft power generating triboelectric shoe insole, Journal of Physics: Conference Series (JPCS), 2016, 773, 012005, doi: https://doi.org/10.1088/1742-6596/773/1/012097.	IOP Science

BOOK CHAPTERS:

#	Year	Catagory	Details	Publisher
1	2019	Book Chapter	Rubaiyet I. Haque, Erick Ogam, Patrick Benaben, Xavier Boddaert (2019). Inkjet-printed membrane for a capacitive acoustic sensor: development and characterization using laser vibrometer. In Top 5 Contribution in Sensor and Biosensor Technology: 4th Edition, Avid Science.	Avid Science

PATENTS:

#	Year	Catagory	Details	Publisher
1	2015	Patent	Rubaiyet Haque, Xavier Boddaert, Cyril Calmes, Patrick Benaben, Réalisation d’objets électroniques par utilisation combinée de l’impression 3D et de l’impression par jet de matière, French Patent, Publication no. FR3033666A1 (application No. FR 15/51969A, on 10 March 2015) accepted on 16 September 2016. ONLINE	French Patent Office

Awards & Honors

RESEARCH FUNDING / GRANT RECEIVED

Principal Investigator, NSU-CTRG Grant (Amount: 750,000 BDT; ID: CTRG-25-SEPS-01), "Hydrothermal synthesis and DFT study of investigating the atomic behavior and energy harvesting properties of semiconductive lanthanide-based Ba₂CeMnO₆ and Ba₂Pr_0.5Ce_0.5MnO₆ double perovskite nanomaterials", May 2026 – April 2027.
Principal Investigator, NSU-CTRG Grant (Amount: 750,000 BDT; ID: CTRG-24-SEPS-01), "Effects of niobium substitution on the structural, mechanical, electronic, and electrochemical properties of sodium-based perovskite for battery applications", March 2025 – March 2026.
Principal Investigator, NSU-CTRG Grant (Amount: 500,000 BDT; ID: CTRG-23-SEPS-06), "Comparative study of the structural, mechanical, electronic, optical and thermodynamic properties of superconducting disilicide (T= Ga, Ni, In, Rh, Ta, Ir) by DFT simulation", Dec 2023 – Dec 2024.
Lægefonden Grant (amount: 55,000.00 DKK), A.P. Møller Fonden (Jan. 2021 - June 2021).
Involved in preparing a short industrial project proposal for funding to develop printed NFC.
Involved in preparing industrial project and the follow-up project funding on the implementation of triboelectric effects to harness fluid flow energies, such as, water flow and wind flow.
Involved in preparing industrial project and the follow-up project funding on the feasibility testing and development of using capacitive sensor to detect and align the foil positioning.
Supported during the preparation of WeCare projects. WeCare project is funded by ‘Swiss National Science Foundation’ and focus on the development of soft wearable sweat-biomonitoring platform for personalized diagnostics (Link).
Supported during the preparation of D-SENSE projects. D-SENSE project deals with the digital manufacturing of 3D printed wearable sensors and funded by the ‘Strategic Focus Area (SFA) Advanced Manufacturing’ program of ETH Domain (Link).

GRANTS & SCHOLARSHIPS

Marie Sklodowska-Curie Fellowship (EuroTechPostdoc program), European Commission (February 2020 – January 2022).
CIFRE Funding, National Association of Technical Research (ANRT), France (May 2012 - April 2015) for Doctoral study.
Erasmus Mundus Scholarship, European Commission (September 2008 - July 2010) for Masters Study.
UGC Merit Scholarship (Gerenal), University Grants Commission (UGC) of Bangladesh, for B.Sc. (Hons) result.

Educational Qualifications

October, 2015	Ph.D. in Microelectronics Centre Microélectronique de Provence, École Nationale Supérieure des Mines de Saint-Étienne, 13541 Gardanne, France.

June, 2010	Joint European Masters in Materials Science University of Aveiro (Portugal), Aalborg University (Denmark) and Technical University of Hamburg (Germany).

November, 2007	B.Sc. (Hons) in Physics University of Chittagong, Chittagong, Bangladesh.

Academic Experience

Jan 2025 – To date	Coordinator (Physics Lab Course), Department of Mathematics and Physics, North South University.

Dec 2022 – To date	Assistant professor, Department of Mathematics and Physics, North South University, Plot: 15, Block - B, Bashundhara R/A, Dhaka-1229, Bangladesh.

Feb 2020 – March 2022	Post-doctoral Scientist, Dept. Mechanical Eng., Technical University of Denmark (DTU), Produktionstorvet 425, 2800 Kongens Lyngby, Denmark.

March 2016 - Dec 2019	Post-doctoral Scientist, Institute of Microtechnology, École Polytechnique Fédérale de Lausanne (EPFL), Rue de la Maladière 71b, CH-2002 Neuchâtel, Switzerland.

Sep 2010 - Oct 2011	Research Associate, Department of Ceramics and Glass Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal.

TEACHING EXPERIENCES

General Physics-I (PHY-107), General Physics-II (PHY-108), General Physics-I LAB (PHY-107L), General Physics-II LAB (PHY-108L) - Undergraduate courses (NSU, Bangladesh).
Directed Research (CSE498R/EEE498R), NSU, Bangladesh.
“Soft Microsystems Processing”, Organic and Printed Electronics (MICRO-505) - Master’s course (EPFL, Switzerland).
“Printed Microsystems”, Advanced MEMS and Microsystems (MICRO-534) - Master’s course (EPFL, Switzerland).
Structure Mechanics, Undergraduate course (EPFL, Switzerland).
Static and Dynamics, Undergraduate course (EPFL, Switzerland).
Finite Element Method - Master’s course (ISMIN 2A-1S, France).
Opening Printed Electronics (Workshop) - Master’s course (ISMIN 3A-1S, France).

SUPERVISING POSTGRADUATE RESEARCH PROJECTS

Designing and development of cryogenic stage for nanoscale 3D printer, Master’s semester project, August 2020 – January 2021, Technical University of Denmark (DTU), Kongens Lyngby, Denmark.
Evaluation of 3D printed sensors used to measure normal and shear plantar force in a shoe insole, Master’s Thesis, August 2019 – January 2020, Microcity, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland.
Piezoelectret soft energy harvesters for wearables sensors and energy harvester, Master’s Thesis, February 2019 – June 2019, Microcity, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland.
Triboelectric generator: to harvest energy from fluid motion, Master’s Thesis, February 2017 – July 2017, Microcity, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland.
Development of Stretchable triboelectric band for harvesting energy from body movement, Master’s Semester project, September 2016 – December 2016, Microcity, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland.
Development of inkjet-printed polyvinylidene fluoride - trifluoroethylene (PVDF-TrFE) ink, Master's Thesis, April 2015 – September 2015, Centre Microélectronique de Provence, École Nationale Supérieure des Mines de Saint-Étienne, France.
Développement d’une couche poly(difluorure de vinylidène– trifluoroéthylène) P(VDF/TrFE) par impression jet d’encre, Master's Thesis, March 2014 – August 2014, Centre Microélectronique de Provence, École Nationale Supérieure des Mines de Saint-Étienne, France.

SUPERVISING UNDERGRADUATE RESEARCH PROJECTS

Real-Time Stress Detection System Using Physiological Sensors and Machine Learning, Directed Research (498R), June 2026 – September 2026, North South University (NSU), Bangladesh.
Development of electronics readout circuits for different electromechanical wearable sensors, Bachelor project, August 2019 – December 2019, Microcity, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland.
Development of joint motion setup, Project for Technical School (Travail de Diplôme), August 2019 – November 2019, Microcity, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland.
Modification of the control mechanism of vibrational characterization setup tool, Project for Technical School (Travail de Diplôme), August 2018 – November 2018, Microcity, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland.
Modification of characterization tool for mechanical energy harvesting devices, Project for Technical School (Travail de Diplôme), August 2017 - November 2017, Microcity, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland.
Development of characterization tool for wearable energy harvester, Final year project for Technical School (Travail de Diplôme), October 2016 - September 2016, Microcity, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland.

Corporate Experience

May 2012 – April 2015

Ph.D. Engineer, TAGSYS RFID, 785 Voie Antiope III, 13600 La Ciotat, France.

Courses

- Physics - I (Mechanics) [Code: PHY-107]

- Physics - II (Electricity and Magnetism) [Code: PHY-108]

- Physics - I (Mechanics) LAB [Code: PHY-107L]

- Physics - II (Electricity and Magnetism) LAB [Code: PHY-108L]

- CSE 498R / EEE 498R

Membership and professional Activites

- Bangladesh Physical Society (Life Member) [Membership ID: LM Q0388]

- American Physical Society (Member)

- Marie Curie Alumni Association (Member)

- Erasmus Mundus Association (Member)

Research Interests

Applied physics, Materials science, Nanotechnology.
Micro- & nano-electronics, Semiconductors.
Flexible, Stretchable, Printed and Organic electronics.
3D printed electronics.
Additive manufacturing.
Materials: Functional Materials for Electronics, Carbon nanotube / graphene based device fabrication.
Sensors & Actuators.
Energy harvesting : Photovoltaics, Thermoelectrics, Piezoelectricity, Ferroelectric, Electret, Triboelectricity.
Self-powered smart electronics systems designing.
Wearable electronics. Implantable electronics.