A5023454005- Advanced Memory and Neural Computing
- Gas Sensing Nanomaterials and Sensors
- Transition Metal Oxide Nanomaterials
- Analytical Chemistry and Sensors
- Fuel Cells and Related Materials
- Advanced Sensor and Energy Harvesting Materials
- Advanced Fiber Optic Sensors
- Solar Thermal and Photovoltaic Systems
- Structural Health Monitoring Techniques
- Impact of Light on Environment and Health
- Semiconductor Lasers and Optical Devices
- solar cell performance optimization
- Acoustic Wave Phenomena Research
- ZnO doping and properties
- Photovoltaic System Optimization Techniques
- Visual perception and processing mechanisms
- Copper-based nanomaterials and applications
- Semiconductor Quantum Structures and Devices
- Chalcogenide Semiconductor Thin Films
- Vibration and Dynamic Analysis
- Advancements in Semiconductor Devices and Circuit Design
- Semiconductor materials and devices
- Nanowire Synthesis and Applications
- Color Science and Applications
- Tactile and Sensory Interactions
École Polytechnique Fédérale de Lausanne
2017-2023
UNSW Sydney
2020-2023
Indian Institute of Technology Gandhinagar
2023
Reproducible integration of III-V semiconductors on silicon can open new path toward CMOS compatible optoelectronics and novel design schemes in next generation solar cells. Ordered arrays nanowires could accomplish this task, provided they are obtained high yield uniformity. In work, we provide understanding the physical factors affecting size uniformity ordered GaAs grown silicon. We show that length diameter distributions initial stage growth not much influenced by Poissonian...
While the influence of a glare source's spectrum on sensitivity to discomfort has been demonstrated repeatedly under electric light conditions, it not yet studied actual daylit conditions. To investigate spectral alterations sun disc perception when seen behind colored glazing, we performed cross-evaluation occupants' visual comfort in space either through blue-tinted electrochromic (EC) glazing (20 participants) or color-neutral (55 participants), having selected two types that are widely...
Hierarchical metal mesh structures are fabricated for use as transparent conductive electrodes in electrochromic devices with large-band transmittance switching. Electrochromic materials (WO3 and Ta:NiO) deposited by plasma sputtering on the characterized a custom-made electrochemical setup allowing in-situ photo-spectrometer measurement. Both films exhibit high transmittance, not only visible but also NIR spectrum. based WO3 cathode Ta:NiO anode combined hierarchical fabricated. The...
Incorporation of Mo into pure WO3 thin films is interest for electrochromic devices, as it improves colour neutrality in the dark state. Existing literature still lacks reliable quantitative data on complex dielectric function such coatings. In this study, we deposited and MoxW1−xO3 by magnetron sputtering subsequently characterised them X-ray photoelectron spectrometry (XPS), grazing incidence diffraction (GIXRD) scanning electron microscopy (SEM). vacuo-lithiation was performed to...
A central endeavour in bioelectronics is the development of logic elements to transduce and process ionic electronic signals. Motivated by this challenge, we report fully monolithic, nanoscale featuring n- p-type nanowires as channels that are proton-gated electron-beam patterned Nafion. We demonstrate inverter circuits with state-of-the-art ion-to-electron transduction performance giving DC gain exceeding 5 frequency response up 2 kHz. key innovation facilitating integration a new for...
Abstract The effect of electron‐beam patterning on the water uptake and ionic conductivity Nafion films using a combination X‐ray photoelectron spectroscopy, quartz crystal microbalance studies, neutron reflectometry, impedance spectroscopy is reported. aim to further characterize nanoscale patterned structures recently used as key element in novel ion‐to‐electron transducers by Gluschke et al. To enable this, electron beam process developed for large areas, achieving speeds approaching 1 cm...
Elastic optical fiber and sensors are fabricated via thermal drawing by identifying the proper thermoplastic elastomers. It offers unprecedented opportunities to realize flexible stretchable sensors.
Stretchable multi-material optical fibers are fabricated via the thermal drawing technique by identifying proper thermoplastic elastomers. It offers unprecedented opportunities to realize complex soft fiber sensors.
Cu-Co-Mn spinel oxide thin films are deposited by reactive magnetron sputtering. The x-ray diffraction (XRD) spectrum suggests a nanocrystalline film when sputtered at ≈465 °C. In-line scanning tunneling microscopy confirms nanometric sized grains in the order of 5–10 nm, which then form larger agglomerations 30–70 nm as observed electron microscopy. pristine sample surfaces characterized in-line UV photoelectron spectroscopy (UPS) and (XPS). From UPS He I II spectra, valence band edge 0.38...
The experimental measurements of high-order mechanical resonances metallic structures in the high-frequency domain is generally difficult and unreliable, due to methods excitations analysis. Here, an original technique associating a nondestructive percussive excitation together with acoustic determination near field created by vibrations structure air are proposed. obtained using steel ball magnetically activated, which creates calibrated impulse. observation made large bandwidth microphone....