Group Members

Ana Claudia Arias

Professor
Department of Electrical Engineering and Computer Sciences
University of California, Berkeley

Prof. Arias received her PhD in Physics from the University of Cambridge, UK in 2001. Prior to that, she received her master and bachelor degrees in Physics from the Federal University of Paraná in Curitiba, Brazil in 1997 and 1995 respectively. She joined the University of California, Berkeley in January of 2011. Prof. Arias was the Manager of the Printed Electronic Devices Area and a Member of Research Staff at PARC, a Xerox Company. She went to PARC, in 2003, from Plastic Logic in Cambridge, UK where she led the semiconductor group. Her research focuses on the use of electronic materials processed from solution in flexible electronic systems. She uses printing techniques to fabricate flexible large area electronic devices and sensors.

email: acarias@eecs.berkeley.edu
Phone: 510-642-1728
Group URL: arias.berkeley.edu

Postdoctoral Fellows

Payton Goodrich

email: paytongoodrich@berkeley.edu
Payton Goodrich received his undergraduate degree in Mechanical Engineering from Iowa State University in 2015. His undergraduate research produced novel microfluidic prototyping methods, a method for creating PCL microfibers for medical applications, paper-based biofuel cells, and core-shell platinum nanocatalysts. He received a master’s degree in Mechanical Engineering from Berkeley in 2018 for his interdisciplinary work on printed closed-loop heating elements for wearable comfort devices. Payton is now developing printed electromagnetic sensors, environmental sensors, and photothermal processing of thin film materials.

Research area: Printed Sensors

Carol Baumbauer

email: carol_baumbauer@berkeley.edu
Carol graduated from Montana State University in 2017 with degrees in Electrical Engineering and French. Her undergraduate research focused on the fabrication of nano structures to manipulate light, particularly for polarization imaging. She is currently working on printing antennas.

Research area: Printed Large-Area Antennas

Yuting Cai

email: caijohn@berkeley.edu
yuting received his B.Sc. degree in Material Science and Engineering from Sichuan University in 2017. He then pursued and received his Ph.D. degree in Chemical and Biomolecular Engineering from the Hong Kong University of Science and Technology in 2021. His research interests focus mainly on functional hydrogel for wearable electronics and biomedical applications.

Research area: Printed Electronics, Wearable Medical Devices

Graduate Students

Jasmine Jan

email: jasminejan@berkeley.edu
Jasmine is a third year graduate student working on blade coated flexible electronics including organic organic-light emitting diodes, photodiodes, and photovoltaics. Her current focus is on identifying and optimizing green, nontoxic organic solvents in the fabrication of high-performance, large-area organic electronics.

Research area: Printed Large-Area Optoelectronics, Wearable Medical Devices, Printed Sensors

Julian Maravilla

email: julianmaravilla@berkeley.edu
Julian graduated from UC Santa Barbara in 2020 with a degree in Electrical Engineering. As an undergraduate he worked on RF systems for communications, and various areas of signal processing. He is interested in MRI receiver coils and various aspects of MRI hardware.

Research area: Printed Large-Area Antennas

Yuhan Wen

email: yuhan_wen@berkeley.edu
Yuhan received her undergraduate degrees in Physics and Engineering from Smith College in May 2020. She is interested in biosensing.

Research area: Printed Electronics, Wearable Medical Devices

Sophie Koh

email: sophie_koh@berkeley.edu
Sophie received her undergraduate degree in Physics and Computer Science from Amherst College in May 2022. She is interested in photovoltaics.

Research area: Printed Large-Area Optoelectronics

Carolyn Schwendeman

email: cschwendeman@berkeley.edu
Carolyn received her undergraduate and master’s degrees in Electrical Engineering and Computer Science from UC Berkeley in May 2020 and May 2021. Her research background is in wearable biomedical sensors and signal processing for neurological recordings. She is currently working on electrochemical biosensing.

Research area: Printed Sensors

Lucas Lahann

email: lahann@berkeley.edu
Lucas received his undergraduate degree in Electrical Engineering from The University of Michigan in May 2022. His undergraduate research focused on evaluating scalable processing techniques for semi-transparent photovoltaics and OLED lighting. He is currently working on electrochemical sensing systems for environmental monitoring.

Research area: Printed Sensors

Philothei Sahinidis

email: philothei@berkeley.edu
Philothei received her undergraduate degree in Materials Science and Engineering from Georgia Tech in May 2023. She is focused on developing printed energy storage and harvesting devices.

Research area: Printed and Flexible Energy Storage Devices, Printed and Flexible Energy Harvesting Devices

Masters Students

Undergraduate Students

Alyssa Umino

email: alyssau@berkeley.edu
Alyssa Umino is an undergraduate at UC Berkeley majoring in Electrical Engineering and Computer Sciences. She plans to graduate in Spring 2025. Her research interests include printed antennas and electronics, with her latest project involving fabricated biodegradable antennas for agricultural sensors.

Research area: Printed Large-Area Electronics, Printed Sensors

Naz Khairallah

email: nkhaira1@berkeley.edu
Naz is an undergraduate student at UC Berkeley majoring in Electrical Engineering and Computer Sciences. His interests rests in hardware, looking to dive deeper in the integrated circuits world. Naz has been working with Julian to optimize MRI receiver coils fabrication using different manufacturing techniques.

Research area: Printed Large-Area Antennas

Cindy Tung

email: cindy_tung@berkeley.edu
Cindy is an undergraduate student at UC Berkeley studying Bioengineering. Her research interests lie in biomedical sensors and wearable medical devices.

Research area: MRI phantoms

Galen Penvenne

email: galenp@berkeley.edu
Galen Penvenne is an undergraduate at UC Berkeley majoring in Engineering Physics. He plans to graduate in the Spring of 2023. His research interests include Lithium-Ion Batteries, Supercapacitors and Hybrid power systems for IoT devices. He is currently working on developing a Printed Thick-Film Micro-Battery and Supercapacitor as a power supply for a single-chip micro-transceiver.

Research area: Printed Electronics

Visitors

Alumni

PhD Alumni

1. Jonathan Ting

email: jkting4@berkeley.edu
Thesis: Solution Processed Electronics for Flexible Hybrid Electronic Systems

2. Mahsa Sadeghi

email: mahsa.sadeghi@berkeley.edu
Thesis: Sensing Systems Using Large Area Printed Organic Electronics

3. Margaret Payne

email: maggiep930@gmail.com
Thesis: Printed, Flexible Electrochemical Sensors

4. Alla Zamarayeva

email: allazamarayeva@berkeley.edu
Thesis: Electrochemical systems for wearable applications

5. Yasser Khan

email: tasif.khan@gmail.com
Thesis: Wearable Medical Sensors Enabled by Printed Bioelectronics and Biophotonics

6. Claire Lochner

email: claire.lochner@gmail.com
Thesis: Printed Organic Light Emitting Diodes for Biomedical Applications

7. Adrien Pierre

email: adrien.pierre@gmail.com
Thesis: Printed Organic Thin Film Transistors, Photodiodes, and Phototransistors for Sensing and Imaging

8. Aminy Ostfeld

email: aostfeld@gmail.com
Thesis: Printed and Flexible Systems for Solar Energy Harvesting

9. Karthik Gopalan

email: karthikgopalan@berkeley.edu
Thesis: form-fitting, rigid receive coils for MRI

Postdoctoral Alumni

1. Felippe Pavinatto

email: pavinatto@ifsc.usp.br
Current Position: Physics Institute of São Carlos (USP)

2. Abhinav Gaikwad

email: agaikwad@berkeley.edu
Current Position: Research Scientist at Moses Lake Industries

3. Igal Deckman

email: igal.deckman@gmail.com
Current Position: New Technology Engineer at Analog Devices Inc.

4. Balthazar Lechêne

email: balthazar.lechene@gmail.com
Current Position: Co-Founder at Inkspace Imaging.

5. Joseph Corea

email: jrcorea@eecs.berkeley.edu
Current Position: Co-Founder at Inkspace Imaging.

6. Natasha Ariane Diniz Yamamoto

email: natashayamamoto@gmail.com
Current Position: at Intel.

7. Donggeon Han

email: groovyauro@gmail.com
Current Position: at Apple.

8. Anju Toor

email: atoor@berkeley.edu
Current Position: at Meta reality lab, professor at Georgia Tech

9. Juan Zhu

email: juanzhu@berkeley.edu
Current Position: Juan Zhu received her master degree in Chemistry from Renmin University of China. Her research was focused on unconventional fabrication of metallic micro/nano patterning by soft lithography. She then moved to University of Muenster in Germany for her PHD study and received her doctor degree in 2017. Her thesis focused on patterning of functional molecule architectures for organic electronics. In 2018, she joined the Arias group as postdoc and is working on printed organic electronics for biomedical applications.

MS Alumni

1. Andrew Young

email: andrewtyoung@berkeley.edu

2. Seiya Ono

email: scono12@berkeley.edu

3. Cher Yeoh

email: yeoh.cher@berkeley.edu

4. Brian Lunt

email: lunt@eecs.berkeley.edu

5. Tae Hoon Kim

email: th.kim@berkeley.edu

6. Natalie Ripchick (Tetreault)

email: natalie.tetreault@berkeley.edu

Undergraduate Alumni

1. Akshaya Jegraj

email: akshaya11@berkeley.edu

2. Brian Khau

email: briankhau@berkeley.edu

3. Emma Wawrzynek

email: efwawrzynek@berkeley.edu

4. Albert Wen

email: wenaz@berkeley.edu

5. Deven Navani

email: dnavani@berkeley.edu

6. Birks Sachdev

email: birkaransachdev@berkeley.edu

Visiting Student Alumni

1. Shantonio Birch

email: sbirch7@gatech.edu

2. Xiaodong Wu

email: wxdscu@hotmail.com

3. Maykel Nijenhuis

email: maykelnijenhuis@berkeley.edu