Jhonathan Prieto Rojas

PhD Students
Research Associate


​Jhonathan possesses natural talent of process integration. His extensive experience includes chemical vapor deposition, physical vapor deposition, atomic layer deposition, reactive ion etching, wet cleans, etching, lithography and annealing.

Research Interests

​His areas of interest include physics of semiconductors, energy harvesting and micro/nanofabrication technologies. His current work involves developing new technologies for flexible electronics and integration of different energy harvesting technologies into microsystems.

Selected Publications

1. J. E. Mink, J. P. Rojas, B. E. Logan, M. M. Hussain, “Vertically Grown Multi-walled Carbon Nanotube Anode and Nickel Silicide Integrated High Performance Micro-sized (1.25 mL) Microbial Fuel Cell”, Nano Lett., 2012, 12 (2), pp 791–795


2. ​Silicon Nanotube Field Effect Transistor with Core–Shell Gate Stacks for Enhanced High-Performance Operation and Area Scaling Benefits. Hossain M. Fahad, Casey E. Smith, Jhonathan P. Rojas, and Muhammad M. Hussain. Nano Letters 2011 11 (10), 4393-4399

3. Mechanically Flexible Optically Transparent Porous Mono-crystalline Silicon Substrate. Jhonathan P. Rojas, Ahad Syed and Muhammad M. Hussain. Accepted poster presentation at the 25th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Paris, France, 29 January - 2 February 2012.
4. J. Mink, J. Rojas, M. M. Hussain, “Carbon Nanotube Anode Producing Improved Power Density in 1.25 µl Micro-Microbial Fuel Cell”, 3rd International Microbial Fuel Cell Conference, Leeuwarden, The Netherlands, June 6 - 8 2011
5. M. M. Hussain, H. Fahad, J. Rojas, M. Hasan, A. Talukdar, J. Oommen and J. Mink, "Self-powered integrated systems-on-chip (energy chip)", Proc. SPIE 7679, 767914 (2010); doi:10.1117/12.850811 [Invited]
6. J. Rojas, M. M. Hussain, “Sub-15 nm Nano-pattern Generation by Spacer Width Control for High Density Precisely Positioned Self-assembled Device Nanomanufacturing”, IEEE NANO 2012, Birmingham, UK 


1. Cylindrical-Shaped Nanotube Field Effect Transistor, M. M. Hussain, H. M. Fahad, C. E. Smith, J. P. Rojas. KAUS.P0044US.P1, US Patent Application No. 61448575 (filed March 2, 2011)
2. Apparatus, system, and method for on-chip thermoelectricity generation, M. M. Hussain, H. M. Fahad, J. P. Rojas. United States Letters Patent, Serial No. 13/185,794 (filed July 19, 2011)
3. Integrated circuit manufacturing for low-profile and flexible devices, Muhammad M. Hussain, Jhonathan P. Rojas. KAUS.P0061US.P1, US Patent Application No. 61506495 (filed July 11, 2011)
4. Multiple gate nanowire-based nanoelectromechanical switch, Jhonathan Prieto Rojas. KAUS.P0070US.P1 (pending filing)
5. Method for Producing Mechanically Flexible Silicon Substrate, Muhammad M. Hussain, Jhonathan P. Rojas. KAUS.P0074US.P1, US Patent Application No. 61523606 (filed August 15, 2011)
6. Micro-sized CNT enabled microbial fuel cell, Jhonathan Prieto Rojas, Muhammad Mustafa Hussain, Justine Mink. KAUST 2011-075 (pending filing)  


  • PhD in Electrical Engineering, King Abdullah University of Science and Technology, 2014
  • MS in Electrical Engineering, King Abdullah University of Science and Technology, 2010
  • B.S. degree in Electronics Engineering from the Department of Engineering, National University of Colombia, 2009.
  • Exchange Student in Electronics Engineering at the Munich University of Technology, 2007.

Professional Profile

Mar 2008       MICRONAS GmbH                                                                       Munich, Germany
Jul  2008        “Semiconductor designer and manufacturer with worldwide operations. Leading supplier of cutting-edge sensor and actuator system solutions for automotive and industrial customers”
                        Intern – “Product-to-Market” Department
·         Evaluation, diagnosis and correction of several functionalities in both Hardware and Software levels of a MPEG-2 video converter board mounted on a Spartan3 FPGA. Completion of technical documentation on the device

Scientific and Professional Memberships

​IEEE, Student Member

President, IEEE Students Branch, KAUST


  • Best presentation Award for “Carbon Nanotube based Micro-Sized Microbial Fuel Cell”, at the 5th Graduates’ Seminar at King Fahd University of Petroleum and Minerals, May 8, 2011
  • Awarded Second Prize for “Novel Wafer Thinning Processing Based on XeF2 Etching for Flexible Electronics”, on the KAUST 1st Graduate Research Symposium, PSE division, May 4th - 5th, 2011.
  • ​KAUST Graduate Fellowship Award, Saudi Arabia, 2009
  • KAUST Provost Award offered to select students in recognition of outstanding scholastic achievement and personal accomplishment, Saudi Arabia, 2009.
  • Top 3 GPA overall in the Engineering School, B.S. degree, Colombia, 2009.
  • DAAD Scholarship for young engineers, Germany, 2007.
  • Colombian delegate in the VIII Iberoamerican Olympiad of Chemistry, Mexico, 2003.
  • Gold Medal - Colombian Olympiad of Chemistry, Colombia, 2002.
  • Honorary Mention - Colombian Olympiad of Physics, Colombia, 2002.