Leo Sahaya Daphne Antony

ORCID: 0000-0002-7682-2911
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About
Contact & Profiles
Research Areas
  • Distributed and Parallel Computing Systems
  • Perovskite Materials and Applications
  • Electrochemical Analysis and Applications
  • Advanced Data Storage Technologies
  • Force Microscopy Techniques and Applications
  • Surface and Thin Film Phenomena
  • Cloud Computing and Resource Management
  • Mobile Agent-Based Network Management
  • 2D Materials and Applications
  • Gas Sensing Nanomaterials and Sensors
  • Advanced Photocatalysis Techniques
  • Conducting polymers and applications
  • Electrocatalysts for Energy Conversion
  • Organic Light-Emitting Diodes Research
  • Peer-to-Peer Network Technologies
  • Integrated Circuits and Semiconductor Failure Analysis
  • Ionic liquids properties and applications

Institute for Atomic and Molecular Physics
2020-2024

Lead-halide perovskites offer excellent properties for lighting and display applications. Nanopatterning perovskite films could enable perovskite-based devices with designer properties, increasing their performance adding novel functionalities. We demonstrate the potential of nanopatterning achieving light emission a film into specific angular range by introducing periodic sol-gel structures between injection emissive layer using substrate conformal imprint lithography (SCIL). Structural...

10.1021/acsami.2c09643 article EN cc-by ACS Applied Materials & Interfaces 2022-08-09

In recent years, two dimensional (2D) perovskites have attracted growing interest as a material for optoelectronic applications, combining the defect tolerance and strong absorption of bulk with enhanced stability. Moreover, possibility to tune their bandgap via control thickness perovskite layers allows precise optimization energy levels in these materials, making them ideal candidates rationally designed semiconductor heterojunctions. However, despite advances synthesis 2D perovskites,...

10.1063/5.0065070 article EN cc-by Applied Physics Letters 2021-11-29

Electrified solid–liquid interfaces (SLIs) are extremely complex and dynamic, affecting both the dynamics selectivity of reaction pathways at electrochemical interfaces. Enabling access to structure arrangement interfacial water in situ with nanoscale resolution is essential develop efficient electrocatalysts. Here, we probe SLI energy a polycrystalline Au(111) electrode neutral aqueous electrolyte through atomic force microscopy. We acquire potential-dependent maps local adhesion forces,...

10.1021/jacs.3c11696 article EN cc-by Journal of the American Chemical Society 2024-04-09

Electrified solid-liquid interfaces are extremely complex and dynamic, affecting both dynamics selectivity of reaction pathways at electrochemical interfaces. Enabling access to the structure arrangement interfacial water in-situ with nanoscale resolution is essential develop efficient electrocatalysts. Here, we probe solidliquid energy a polycrystalline Au(111) electrode in neutral aqueous electrolyte, through atomic force microscopy (EC-AFM). We acquire potential-dependent maps local...

10.26434/chemrxiv-2023-7fcl8 preprint EN cc-by-nc 2023-10-20

Electrified solid-liquid interfaces are extremely complex and dynamic, affecting both dynamics selectivity of reaction pathways at electrochemical interfaces. Enabling access to the structure arrangement interfacial water in-situ with nanoscale resolution is essential develop efficient electrocatalysts. Here, we probe solidliquid energy a polycrystalline Au(111) electrode in neutral aqueous electrolyte, through atomic force microscopy (EC-AFM). We acquire potential-dependent maps local...

10.26434/chemrxiv-2023-7fcl8-v2 preprint EN cc-by-nc 2023-10-25

Major data centre providers are introducing RDMA-based networks for their tenants, as well operating the underlying infrastructure. In comparison to traditional socket-based network stacks, offer higher throughput, lower latency and reduced CPU overhead. However, transparent checkpoint migration operations become much more difficult. The key reason is that OS removed from critical path of communication. As a result, some communication state itself resides in NIC hardware no under direct...

10.48550/arxiv.2009.06988 preprint EN other-oa arXiv (Cornell University) 2020-01-01

In-situ mapping of nanoscale adhesion forces at electrochemical interfacesLeo Sahaya Daphne Antony a, Loriane Monin Mark Aarts b, Esther Alarcon Llado aa AMOLF, Amsterdam, Netherlands, Netherlandsb Leiden Institute Chemistry, UniversityMaterials for Sustainable Development Conference (MATSUS)Proceedings MATSUS Spring 2024 (MATSUS24)#InOpCat - In situ and operando characterization electrocatalytic interfacesBarcelona, Spain, March 4th 8thOrganizers: Alarcon-Llado, Jesus Barrio Hermida Paula...

10.29363/nanoge.matsus.2024.136 article EN 2023-12-18

Two-dimensional (2D) lead halide perovskites are an exciting class of materials currently being extensively explored for both photovoltaics and optoelectronic applications. The ionic nature these makes them ideal candidates solution processing into thin films nanostructured crystals. However, a complete mechanistic description 2D perovskite crystallization in is still missing due to the intricacy process parameters intermediates. Here, we investigate role different solid precursors (PbO2,...

10.26434/chemrxiv-2022-djp7h preprint EN cc-by-nc-nd 2022-05-04
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