David Sarinn PECH

David Sarinn PECH

Research team

NEO : Nano-Engineering and integration of metal-Oxide-based nanostructures and their interfaces

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ERC "Proof-of-Concept" grant for David Pech

David Pech, head of the Nano-Engineering and integration of metal-Oxide-based nanostructures and their interfaces - NEO team at LAAS-CNRS, has been awarded a Proof-of-Concept grant from the European Research Council (ERC) for his project "3D-APP: High-energy micro-supercapacitors based on low-cost …


Selected publications

Latest publications


Journal articles

Botayna Bounor, Jensheer Shamsudeen Seenath, Sai Gourang Patnaik, David Bourrier, Chau Cam Hoang Tran, et al.. Low-cost micro-supercapacitors using porous Ni/MnO2 entangled pillars and Na-based ionic liquids. Energy Storage Materials, 2023, 63, pp.102986. ⟨10.1016/j.ensm.2023.102986⟩. ⟨hal-04224179⟩


Journal articles

Sakeb Hasan Choudhury, Guillaume Vignaud, Pascal Dubreuil, Birhanu Desalegn Assresahegn, Daniel Guay, et al.. Conformal atomic layer deposition of RuOx on highly porous current collectors for micro-supercapacitor applications. Nanotechnology, 2022, 33 (49), pp.495404. ⟨10.1088/1361-6528/ac8f50⟩. ⟨hal-03810574⟩

Jensheer Shamsudeen Seenath, David Pech, Dominic Rochefort. Investigation of protic ionic liquid electrolytes for porous RuO2 micro-supercapacitors. Journal of Power Sources, 2022, 548 (232040), ⟨10.1016/j.jpowsour.2022.232040⟩. ⟨hal-03773385⟩

Maxime Hallot, David Troadec, Christophe Boyaval, Marielle Huve, Lotfi Benali Karroubi, et al.. Three-Dimensional TiO2 Film Deposited by ALD on Porous Metallic Scaffold for 3D Li-Ion Micro-Batteries: A Road towards Ultra-High Capacity Electrode. Journal of The Electrochemical Society, 2022, 169 (4), pp.040523. ⟨10.1149/1945-7111/ac6328⟩. ⟨hal-03631330⟩

Lotfi Benali Karroubi, Sai Gourang Patnaik, Birhanu Desalegn Assresahegn, Botayna Bounor, Chau Cam Hoang Tran, et al.. Highly porous scaffolds for Ru-based microsupercapacitor electrodes using hydrogen bubble templated electrodeposition. Energy Storage Materials, 2022, 47, pp.134-140. ⟨10.1016/j.ensm.2022.02.009⟩. ⟨hal-03585171⟩

Maria-Isabel Mendoza-Diaz, Aurélie Lecestre, Ludovic Salvagnac, Botayna Bounor, David Pech, et al.. High surface area TiO2 photocatalyst for H2 production through silicon micromachining. Applied Surface Science, 2022, 588, pp.152919. ⟨10.1016/j.apsusc.2022.152919⟩. ⟨hal-03610304⟩


Journal articles

Ankita Jadon, Carole Rossi, Mehdi Djafari-Rouhani, Alain Estève, David Pech. Interaction of hydrogen with the bulk, surface and subsurface of crystalline RuO2 from first principles. Physics Open, 2021, 7, pp.100059. ⟨10.1016/j.physo.2021.100059⟩. ⟨hal-03165104⟩

Sai Gourang Patnaik, Jensheer Shamsudeen Seenath, David Bourrier, Sagar Prabhudev, Daniel Guay, et al.. Porous RuOxNySz Electrodes for Microsupercapacitors and Microbatteries with Enhanced Areal Performance. ACS Energy Letters, 2021, 6, pp.131-139. ⟨10.1021/acsenergylett.0c02017⟩. ⟨hal-03063689⟩

Sai Gourang Patnaik, David Pech. Low Temperature Deposition of Highly Cyclable Porous Prussian Blue Cathode for Lithium‐Ion Microbattery. Small, 2021, 17 (25), pp.2101615. ⟨10.1002/smll.202101615⟩. ⟨hal-03272953⟩


Journal articles

Sai Gourang Patnaik, Ankita Jadon, Chau Cam Hoang Tran, Alain Estève, Daniel Guay, et al.. High Areal capacity porous Sn-Au Alloys with Long cycle Life for Li- ion Microbatteries. Scientific Reports, 2020, 10 (10405), ⟨10.1038/s41598-020-67309-7⟩. ⟨hal-02882289⟩

Maria-Isabel Mendoza-Diaz, Jérémy Cure, Mehdi Djafari Rouhani, Kui Tan, Sai-Gourang Patnaik, et al.. On the UV-Visible Light Synergetic Mechanisms in Hybrid Au/TiO2 Model- Nanostructures Achieving Photo-Reduction of Water. Journal of Physical Chemistry C, 2020, 124 (46), pp.25421-25430. ⟨10.1021/acs.jpcc.0c08381⟩. ⟨hal-03005988⟩

Ankita Jadon, Sagar Prabhudev, Gaëtan Buvat, Sai Gourang Patnaik, Mehdi Djafari-Rouhani, et al.. Rethinking Pseudocapacitance: A Way to Harness Charge Storage of Crystalline RuO2. ACS Applied Energy Materials, 2020, 3 (5), pp.4144-4148. ⟨10.1021/acsaem.0c00476⟩. ⟨hal-02600888⟩


Journal articles

Anaïs Ferris, David Bourrier, David Pech, Daniel Guay, Sebastien Garbarino. Three-Dimensional Interdigitated Microsupercapacitors with Record Areal Cell Capacitance. Small, 2019, 15 (27), pp.1901224. ⟨10.1002/smll.201901224⟩. ⟨hal-02132089⟩


PhD thesis, HDR

David Pech. Micro-dispositifs dédiés au stockage de l'énergie électrique embarquée. Micro et nanotechnologies/Microélectronique. Université Toulouse 3 Paul sabatier (UT3), 2018. ⟨tel-01810054⟩


Journal articles

Nana Amponsah Kyeremateng, Thierry Brousse, David Pech. Microsupercapacitors as miniaturized energy-storage components for on-chip electronics. Nature Nanotechnology, 2017, 12 (1), pp.7 - 15. ⟨10.1038/NNANO.2016.196⟩. ⟨hal-01720883⟩

David Pech, Christophe Lethien, Thierry Brousse. Nouveaux types d’électrodes pour les microsupercondensateurs. Techniques de l'Ingénieur, 2017, RE180, pp.1 - 12. ⟨hal-01872933⟩

Anaïs Ferris, Benjamin Reig, Asma Eddarir, Jean-François Pierson, Sébastien Garbarino, et al.. Atypical Properties of FIB-Patterned RuOx Nanosupercapacitors. ACS Energy Letters, 2017, 2 (8), pp.1734-1739. ⟨10.1021/acsenergylett.7b00435⟩. ⟨hal-01872884⟩

Conference papers

Lotfi Benali Karroubi, Saïd Sadki, Pascal Gentile, Anaïs Ferris, Asma Eddarir, et al.. 3D RuO2 microsupercapacitor electrodes based on Si nanowires, nanotrunks and nanotrees. 5th International Symposium on Enhanced Electrochemical Capacitors (ISEE’Cap17), Jul 2017, Jena, Germany. 1p. ⟨hal-01872946⟩


Conference papers

Anaïs Ferris, David Pech, Sebastien Garbarino, Daniel Guay. Potentialities of micro-supercapacitors as energy storage buffers in embedded micro-systems. Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP 2016 ), May 2016, Budapest, Hungary. 4p., ⟨10.1109/DTIP.2016.7514888⟩. ⟨hal-01874763⟩


Journal articles

Nana Amponsah Kyeremateng, Ty Mai Dinh, David Pech. Electrophoretic deposition of Li4Ti5O12 nanoparticles with a novel additive for Li-ion microbatteries. RSC Advances, 2015, 5 (76), pp.61502 - 61507. ⟨10.1039/c5ra11039d⟩. ⟨hal-01873373⟩

Ty Mai Dinh, Fabien Mesnilgrente, Véronique Conédéra, Nana Amponsah Kyeremateng, David Pech. Realization of an Asymmetric Interdigitated Electrochemical Micro-Capacitor Based on Carbon Nanotubes and Manganese Oxide. Journal of The Electrochemical Society, 2015, 162 (10), pp.A2016 - A2020. ⟨10.1149/2.0431510jes⟩. ⟨hal-01872846⟩

Anaïs Ferris, Sébastien Garbarino, Daniel Guay, David Pech. 3D RuO2 Microsupercapacitors with Remarkable Areal Energy. Advanced Materials, 2015, 27 (42), pp.6625 - 6629. ⟨10.1002/adma.201503054⟩. ⟨hal-01872878⟩


Journal articles

Ty Mai Dinh, Amine Achour, Sorin Vizireanu, Gheorghe Dinescu, Leona Nistor, et al.. Hydrous RuO2 /carbon nanowalls hierarchical structures for all-solid-state ultrahigh-energy-density micro-supercapacitors. Nano Energy, 2014, 10, pp.288 - 294. ⟨10.1016/j.nanoen.2014.10.003⟩. ⟨hal-01873388⟩

Ty Mai Dinh, Kevin Armstrong, Daniel Guay, David Pech. High-resolution on-chip supercapacitors with ultra-high scan rate ability. Journal of Materials Chemistry A, 2014, 2 (20), pp.7170 - 7174. ⟨10.1039/c4ta00640b⟩. ⟨hal-01874490⟩