Publications de Vivek Subramanian

Publications associées (15)

Scaling Printable Zn-Ag2O Batteries for Integrated Electronics

Printed batteries are an emerging solution for integrated energy storage using low-cost, high accuracy fabrication techniques. While several printed batteries have been previously shown, few have designed a battery that can be incorporated into an integrat ...

WILEY-V C H VERLAG GMBH2019

Dimensional scaling of high-speed printed organic transistors enabling high-frequency operation

Vivek Subramanian

Printed electronics has promised to deliver low-cost, large-area and flexible electronics for mass-market applications for some time; however, so far one limiting factor has been device performance. Over the last decade, great progress has been made in ter ...

IOP PUBLISHING LTD2020

Intensity-coupled multi-beam phase retrieval for holographic volumetric additive manufacturing

Vivek Subramanian

Multi-beam holographic projection is a promising yet underexplored avenue for advanced volumetric additive manufacturing (VAM) systems to control image focus in 3D, compensate for aberrations, and overcome resolution anisotropy. Nevertheless, there is curr ...

Optica Publishing Group2024

Sub-mm3 dimensional scaling of fully-integrated additively-fabricated microsupercapacitors for embedded energy storage applications

Vivek Subramanian, Amin Hodaei

Microsupercapacitors (MSCs) are attractive energy devices for applications in IoT, wireless sensors, and other microelectronic systems due to their small footprints. In this work, the dimensional scaling of fully-integrated additively-fabricated MSCs is sy ...

Royal Society of Chemistry2024

Digital LIGA: exploitation of droplet-on-demand inkjet printing to fabricate complex mechanical structures by electroforming

Vivek Subramanian, Annelies Marleen J Sels

A novel 3D fabrication technique called digital LIGA is proposed, integrating functional digital printing with 3D microfabrication via electrodeposition. This allows for the realization of complex multilevel metallic structures without problems associated ...

IOP Publishing Ltd2023

On-Chip Fully Integrated Field Emission Arrays for High-Voltage MEMS Applications

Vivek Subramanian

Vacuum-sealed fully integrated diode and triode field emission arrays based on Ti Spindt-type field emitters have been developed in a scalable, CMOS-compatible process directly on Si. Diode characterization in air demonstrates effective vacuum sealing and ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2020

"Additive fabrication of fully-integrated high-performance millimeter-scale microsupercapacitors: Fine-tuning chemistry to maximize performance"

Vivek Subramanian, Amin Hodaei

Microsupercapacitors (MSCs) are attractive for use as energy devices to power wearables, IoT, and other small microsystems. Additive fabrication of these devices will facilitate easy integration into a range of ubiquitous microsystem platforms. In this wor ...

Elsevier2023

Tracking deep-level defects in degrading perovskite solar cells with a multifactorial approach

Vivek Subramanian

In this work, we provide a mechanistic understanding of the degradation of perovskite solar cells in operation by focusing on methylammonium lead triiodide (CH3NH3PbI3 or MAPbI3) and tracking the evolution of electronic defects via photo-induced current tr ...

Elsevier2024

Towards personalized microfluidics: 3D printing of high-performance micropumps by control and optimization of fabrication-induced surface roughness

Vivek Subramanian, Babak Mazinani, Mustafa Mohieldin Fadlelmula Fadlelseed

Additive fabrication technologies are very attractive for use in the realization of customized medical diagnostic and point-of-care devices in the rapidly growing field of personalized healthcare. However, non-idealities in additive manufacturing processes ...

2024

Highly Stable Low‐Temperature Phosphate Glass as a Platform for Multimaterial 3D Printing of Integrated Functional Microfluidic Devices

Vivek Subramanian, Babak Mazinani

The monolithic fabrication of microfluidic systems using additive manufacturing technology offers a promising route for integrating the multifunctionality essential to these devices. However, this approach faces key challenges, primarily due to the limited ...

Wiley2025

Room temperature imprinting of water-based microparticulate inks for realizing glass microfluidic channels

Vivek Subramanian, Babak Mazinani

The combination of imprinting and extrusion overprinting of composite glass materials offers a pathway for the fabrication of fully integrated functional microfluidic devices. Utilizing novel low -temperature phosphate glasses, originally developed for 3D ...

Elsevier Sci Ltd2024

Printed flexible and transparent electronics: enhancing low-temperature processed metal oxides with 0D and 1D nanomaterials

Vivek Subramanian

Metal oxides have broad multifunctionality and important applications to energy, sensing, and information display. Printed electronics have recently adopted metal oxides to push the limits of performance and stability for flexible thin film systems. Howeve ...

IOP PUBLISHING LTD2019

Screen-Printable Cu-Ag Core-Shell Nanoparticle Paste for Reduced Silver Usage in Solar Cells: Particle Design, Paste Formulation, and Process Optimization

Mengmeng Deng, Vivek Subramanian

Copper-silver (Cu-Ag) core-shell nanoparticles are promising for replacing the silver particles and flakes used in printed conductors in current solar cells since they deliver good conductivity, chemical stability, and optical performance, while also reduc ...

AMER CHEMICAL SOC2022

How to print high-mobility metal oxide transistors-Recent advances in ink design, processing, and device engineering

Vivek Subramanian

High-throughput printing-based fabrication has emerged as a key enabler of flexible electronics given its unique capability for low-cost integration of circuits based on printed thin film transistors (TFTs). Research in printing inorganic metal oxides has ...

AIP Publishing2022

Printed Platinum Nanoparticle Thin-Film Structures for Use in Biology and Catalysis: Synthesis, Printing, and Application Demonstration

Vivek Subramanian, Annelies Marleen J Sels

This work describes the formulation of a stable platinum nanoparticle-based ink for drop-on-demand inkjet printing and fabrication of metallic platinum thin films. A highly conductive functional nanoink was formulated based on dodecanethiol platinum nanopa ...

AMER CHEMICAL SOC2023