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About us
We are Scientists and Engineers working in Nanoscience, Nanotechnology and Nanomanufacturing! We are affiliated to the Industrial and Manufacturing Systems Engineering (IMSE) & the Electrical and Computer Engineering (ECE) Departments at Kansas State University, Manhattan, Kansas. Understanding fundamental properties of materials at nanoscale and engineering their structure and properties to enable novel applications are the broader goal of our research. Our research is highly interdisciplinary. However, our activities are centered around Nanoscale Electronics, Sensing, and Energy using Nanoscale Materials such as Graphene and 2D materials, Carbon Nanotubes (CNTs), and Inorganic Nanowires.
Group News
(July 2025) Group graduate researcher Thiba Nagaraja successfully defended her well-deserved PhD dissertation work. Many Congratulations Dr. Thiba!!!
(July 2025) Fulbright visitor Dr. Ajay Biswas completed his visit with us successfully and returned back to NIT Agartala, India.
(July 2025) Group Alumni Dr. Surjit Sahoo joined as assistant professor in Physics and Interdisciplinary Energy Center at Amrita Vishwa Vidyapeetham, Amaravati Campus in Andhra Pradesh, India. Well done and congratulations, Dr. Sahoo.
(December 2024) Group graduate researcher Thiba Nagaraja has successfully completed her preliminary examination to become officially PhD candidate. Congratulations to Thiba!!
(November 2024) Our group has been awarded with a NSF Global Center, with Prof. Das to be acting as Center Director!!! Many congratulations to the team, including to our partners at University of Sheffield (UK) and McGill University (Canada).
(November 2024) Big congratulations to Dr. Surjit Sahoo, our Fulbright Postdoctoral Scholar alumni, to join Indian Institute of Technology (IIT) Jammu as a faculty fellow in Mechanical Engineering Department.
(October 2024) Big congratulations to Dr. Aroop Behera on accepting a postdoctoral research job at Sandia National Laboratory, Albuquerque, New Mexico.
(October 2024) Big congratulations to group PhD student, Aroop Behera, for successfully defending his well deserved PhD dissertation. Many congratulations, Dr. Behera and very best wishes for your future.
(October 2024) We welcome Fulbright Faculty fellow, Dr. Ajay Biswas from National Institute of Technology (NIT) Agartala, India, to our group for 2 semesters.
(August 2024) Members warmly welcome new PhD researcher, Shreyansh Mishra, from New Delhi who did his MTech in Electrical Engineering from IIT Bhubaneswar to join our group.
(June 2024) Heartiest congratulations to postdoc, Dr. Surjit Sahoo, for receiving highly competitive INSPIRE Faculty Fellow offer from Indian Government to set his own research group in India!!!
(June 2024) Congratulations to postdoc Dr. Surjit Sahoo for his next research job at King Faud University, Saudi Arabia.
(June 2024) Time to say goodbye to Dr. Pal as he is going back to his institution, IIT Jammu, after a pleasant visit to our group.
(May 2024) Dr. Das is promoted to Associate Professor with Tenure. Congratulations!
(May 2024) Big congratulations to graduate researcher Thiba for her summer internship in industry!!!
(April 2024) A US Patent by Prof. Das on 2D transistors has been granted!
(April 2024) Our paper on all-solid-state printed supercapacitors is successfully published in Applied Physics Letters - Energy with Front Cover Art selection. Congratulations to the whole team.
(April 2024) Congratulations to PhD researcher Thiba Nagaraja to present our research work (2 presentations) in Materials Research Society Spring Meeting in Seattle, Washington!
(January 2024) Congratulations to PhD researcher Aroop Behera for successfully completing his preliminary examinations to become official PhD candidate!!!
(January 2024) Congratulations to PhD researcher Thiba Nagaraja to successfully publish 2 research papers recently in ACS Applied Nano Materials.
(December 2023) We very much welcome visiting faculty, Dr. Vijay Kumar Pal, from Mechanical Engineering at Indian Institute of Technology (IIT) Jammu, India to our research group.
(December 2023) MS student Shiseido Robinson defended successfully her thesis research and graduated with Masters Degree in IMSE. Congratulations and we wish her success.
Dr. Rajavel Krishnamoorthy completed his postdoc in the group and moved to his next career path. Good luck and all best, Rajavel.
(September 2023) We had a great success in our GRIP center (GHG SmartSense STC) kickoff meeting on September 5, 2023! Many thanks to our awesome team members.
(July 2023) We are excited to announce that we are one of the K-State's three Game-Changing Research Initiative Award winners to conduct truly transdisciplinary research at K-State.
(June 2023) It is time to say Good Bye to our visiting faculty, Dr. Subhasish Basu Majumder, from Indian Institute of Technology (IIT) Kharagpur. We had a great time with him on research, education, and fun!
(May 2023) Our manuscript on quantum leap in CMOS semiconductor thermoelectric figure of merit, first authored by Sam, has been accepted in Nature Communications Materials for publication!!
(May 2023) Prof. Das, along with Postdoctoral researcher Dr. Rajavel Krishnamoorthy and Doctoral researcher Thiba Nagaraja filed nonprovisional US patent application on high performance graphene materials for printable electronics.
(May 2023) Congratulations to our first PhD graduate Dr. Samuel Oxandale for accepting a Principal Member of Technical Staff position at Sandia National Laboratories, Albuquerque, New Mexico. Congratulations, Sam!!
(May 2023) Congratulations to our first PhD graduate Dr. Pingping Chen for accepting a senior research scientist position at University of Virginia. Congratulations, Pingping!!
(May 2023) Group's first two Doctoral researchers received their official PhD degrees in Spring 2023 commencement on May 12, 2023. Pingping Chen received PhD in Industrial and Manufacturing Systems Engineering and Samuel Oxandale received PhD in Electrical and Computer Engineering. Congratulations, Dr. Chen and Dr. Oxandale!!!
(April 2023) Master's degree student Shiseido Robinson will be joining Cornell University PhD program in Mechanical Engineering.
(April 2023) High school intern Bepeh Amama will be joining Cornell Engineering for BS in Chemical Engineering Studies.
(April 2023) Graduate student Kh M Asif Raihan received Carl R. Ice College of Engineering outstanding graduate student award. Many congratulations, Asif!!
(April 2023) Graduate student Kh M Asif Raihan presented his research on all-solid-state printed graphene supercapacitor in MRS Spring Meeting in San Francisco, April 10-14, 2023.
(January 2023) US Patent has been granted to Prof. Das and colleagues on Carbon Nanotube based Electrochemical Immunosensors.
(January 2023) Graduate student Kh M Asif Raihan's research abstract on all-solid-state printed graphene supercapacitor has been accepted to be presented in Materials Research Society (MRS) Spring Meeting, to be held in San Francisco in April 10-14, 2023.
(January 2023) Graduate student Thiba Nagaraja presented her PhD thesis dissertation work at K-State 3MT thesis competition.
(January 2023) We welcome our new undergraduate researcher Ana Guanes to join our group!
(November 2022) Pingping Chen and Samuel Oxandale, two of our own graduate researchers, defended successfully their PhD dissertation examinations!!! Big congratulations to both from our group!!!
Our group presented 3 talks (postdoc Rajavel Krishnamoorthy, and graduate students Aroop Behera, Pingping Chen), one poster (MS student Shiseido Robinson), and an invited talk (Prof. Das) in MRS Fall Meeting, Boston, MA.
(November 2022) Congratulations to our postdoctoral researcher Dr. Krishnamoorthy Rajavel and graduate researcher Thiba Nagaraja for publishing their research on 4-nitrophenol detection in drinking water using MXene electrochemical sensors! The work is now published as an article in ACS Omega journal. Congratulations to Rajavel and Thiba!!!
(November 2022) Graduate student Shiseido Robinson is one of the winners and earned honors at K-State's Research and the State. Shiseido will bring our research to present at the state capitol in May 2023!! Congratulations and all best wishes!!!
(October 2022) We very much welcome Dr. Surjit Sahoo to our group as our India-US Fulbright Nehru postdoctoral fellow to develop an energy storage project. Dr. Sahoo will spend 2 years to further establish his expertise on supercapacitors.
(August 2022) We warmly welcome Prof. Subhasish Basu Majumder from Indian Institute of Technology (IIT) Kharagpur, India, to join our team as Fulbright-Kalam Climate Fellow. Dr. Majumder will spend 9 months with us creating stimulating environment in research and education.
Congratulations to our postdoc Dr. Rajavel Krishnamoorthy to present our MXene work at Drexel University's MXene workshop.
(July 2022) Congratulations to our postdoc Rajavel for recognition by ACS for leadership in mentoring!!! Graduate Student and Postdoctoral Scholar Recognition Program Recipients - American Chemical Society (acs.org)
(June 2022) Prof. Das organized and chaired session on Wearable Electronics and Biosensors in 64th Electronics Materials Conference held at The Ohio State University, Columbus, Ohio.
(May 2022) Congratulations to Prof. Das for winning prestigious NSF CAREER Award on High Performance and Low Noise 2D Field Effect Transistors for Biosensors. Das receives NSF CAREER award to investigate sensors from nano-engineered atomically thin material architectures | Kansas State University | News and Communications Services (k-state.edu)
(May 2022) Congratulations to graduate researcher Thiba Nagaraja and Prof. Das for their work on Ultrafast spectroscopic study on charge career dynamics in printed graphene, published in ACS J. Phys. Chem. C. with a FRONT COVER Article selection!!
(May 2022) Graduate researcher Thiba Nagaraja presented our work on printed graphene phosphate sensors at University of Sheffield, UK!
(May 2022) Our US-UK team presented our project summary on soil phosphates in NSF-UKRI grantees' workshop held at Rothamsted Research, Harpenden, UK!
(May 2022) Graduate researcher Thiba Nagaraja presented our work on printed graphene phosphate sensors in NSF-UKRI grantees' workshop in Rothamsted Research, Harpenden, UK!
(May 2022) Graduate researcher Thiba Nagaraja presented our work on printed graphene phosphate sensors in MRS Spring Meeting in Honolulu, Hawaii!
(April 2022) Congratulations to our graduate researcher Thiba Nagaraja for winning 2022 Ann and Dave Braun Student Inventor Award from the Carl R. Ice College of Engineering.
(March 2022) Graduate researcher Aroop Behera presented our work on Noise in 2D transistors in Annual APS March Meeting!
Micro/Nano Device Manufacturing Group welcomes postdoctoral scientist Dr. Krishnamoorthy Rajavel to join the group in Spring 2022! Prior to joining K-State, Dr. Rajavel has worked at Zhejiang University and Chinese Academy of Sciences. He has a PhD in Physics from Bharathiar University, India.
Micro/Nano Device Manufacturing Group welcomes our new graduate researcher Ms. Shiseido Robinson in Spring 2022!
Many congratulation to Shiseido Robinson for winning best research poster award in twelfth annual Conference for Undergraduate Women in Physical Sciences (WoPhyS 2021) at the University of Nebraska!!
Prof. Das has visited Hillsboro High School and Goessel High School to speak about STEMM Education and career (organized by STEMM FIRE program) to rural Kansas students.
Prof. Das has been invited to give a colloquium in the Department of Physics, Kansas State University.
Congratulations to Aroop K. Behera for publishing his 2D-Heterostructure Graphene Transistor work in ACS Applied Electronic Materials!
Micro/Nano Materials and Device Manufacturing Group welcomes our new PhD student Asif Raihan from BUET, Bangladesh!
Micro/Nano Materials and Device Manufacturing Group welcomes Dr. Ruqi Chen as visiting researcher. She has moved to Manhattan, Kansas from Urbana Champaign, Illinois.
Our printed graphene supercapacitor work is highlighted in several media outlets (e.g., EurekAlert, Science Daily, PhysOrg, The Graphene Council, ...).
Our accepted ACS Applied Energy Materials paper will appear as a FRONT JOURNAL COVER ARTICLE!
Congratulations to former postdoc Anand Gaur, along with our group's graduate students and collaborators from Physics and Geology. Our manuscript on graphene aerosol gel ink and it's printed micro-supercapacitors is accepted for publication in ACS Applied Energy Materials!
We welcome Shiseido Robinson as our new undergraduate researcher, supported by Women in Engineering Program.
Congratulations to Aroop Behera for receiving best graduate student award in IMSE Department!
Congratulations to Wenjun Xiang for successfully defending her master in science thesis dissertation. We wish well for her future!
ongratulations to Pingping Chen for receiving 2021-2022 Robert I-Jen and Sophia Shui-Kan Jung Graduate Scholarship.
Congratulations to Mithulan for his selection into US DOE Lab's highly competitive undergraduate summer intern program. He will be working at Oak Ridge National Lab (ORNL), TN, from June to August 2021!
Lianjie's work on ultrafast photo-ionization in hexagonal boron nitride has been submitted to Nature Physics. The main article can be viewed in arXiv.
Our work on inkjet printing of graphene and its laser annealing processes for electrochemical sensors has been granted a US patent by the USPTO.
Our work on silver nanowires/graphene composite materials as transparent conductors has been granted a US patent by the USPTO.
Our 1/f noise paper in Journal of Applied Physics has appeared as a front cover article!
Our 1/f noise paper in J. Appl. Phys. has been selected as a featured article!
Our work on 1/f noise modeling and experimental research in 2-Dimensional Atomically Thin Field Effect Transistors has been accepted in Journal of Applied Physics!
Pingping Chen's paper on carbon nanotube to graphene nanoribbon conversion has been selected as an Editor's Pick! Congrats Pingping.
Pingping Chen's work on carbon nanotube to graphene nanoribbon conversion by light-matter interaction is accepted in Journal of Applied Physics, will appear soon in a special issue Materials for Quantum Technologies: Computing, Information and Sensing. Congratulations Pingping!
Our research on electronic transport and low frequency noise in MoS2 Field Effect Transistors with Molybdenum contacts is accepted in Physica Status Solidi (pss a)!
Welcome to Summer 2020!
Welcome to Spring 2020 semester!
Starting from January 2020, Prof. Das leads a new NSF-UKRI research grant on Signal in the Soil (SitS), with an international team of five other research groups (at University of Texas San Antonio, University of Alabama Huntsville, and the University of Sheffield, UK). We are looking forward to working with the graduate students, undergraduate researchers, and postdoctoral researchers in this exciting project based on graphene soil-phosphate sensors! The award is highlighted by NSF in 2020 AAAS annual meeting at Seattle. Also, it is highlighted by the United Kingdom Research and Innovation.
Prof. Das, with two other research teams in grain science department at K-State, has won a one-year seed grant from Global Food Systems to work on E. Coli bacteria sensing using graphene.
Micro/Nano group welcomes our undergraduate student and undergraduate researcher Thiba Nagaraja to join our research group as PhD student (direct PhD admission in Industrial Engineering) in Spring 2020. Welcome Thiba!
Congratulations to our PhD student Pingping Chen for presenting her research at Materials Research Society Fall meeting in Boston, MA on December 6, 2019.
Congratulations to Prof. Das for being awarded a named faculty position (David and Lynda Dawson — Carl and Mary Ice Keystone Research Scholar)
Our group welcomes 2 new members in Fall 2019- graduate student Samuel Oxandale and postdoctoral research associate Dr. Anand P.S. Gaur!
Welcome to Fall 2019 semester at K-State!
Pingping Chen's abstract on our Carbon Nanotube Research has been accepted for oral presentation in MRS (Materials Research Society) Fall 2019 meeting in December 2019 at Boston, MA. We are excited to talk about this in Boston!
Our paper on transient evaporation of water over nanostructured graphene is accepted in Applied Surface Science! This work was in collaboration with colleagues at Lehigh University and Argonne National Lab.
Prof. Das co-chaired a session on Electronic Materials for Bio in 61st Annual Electronic Materials Conference (EMC), held at University of Michigan, Ann Arbor (June 23 - 26, 2019).
Our group presented graphene electrochemical sensing work in 61st Annual Electronic Materials Conference (EMC), held at University of Michigan, Ann Arbor (June 23 - 26, 2019). Congrats WenJun for your work!
Our work on engineered graphene surface for frost delaying and thermal management is now published in Applied Thermal Engineering!
Welcome to our 2019 summer intern in the group, Ryan Harlan, from Dodge City community college. He is sponsored by Kansas State's KS-LSAMP program, a pathway to STEM program by National Science Foundation.
Our APL paper on 2D Skyrmions has been selected as an Editor's Pick/Featured article in June 10, 2019 issue of Applied Physics Letters!
Our paper on 2D Skyrmions is appeared as a Front Cover Article in June 10, 2019 issue of Applied Physics Letters (APL)!
Our work on Skyrmions in 2D Ferromagnetic monolayer has been accepted in Applied Physics Letters. Many congrats to Aroop and colleague from Rice Univ./NIST.
Prof. Das is invited to give a seminar on 2D Materials at the Physics Department of University of Oslo and SINTEF, Norway on May 21, 2019.
Good luck for our undergraduate researchers Mithulan and Thiba for presenting their research poster in the undergraduate showcase (04/25/2019).
Our new work on magnetic skyrmions for spintronics, involving ferromagnetic monolayer chromium iodide, is now on arXiv and is under review in Applied Physics Letters!
Our recent MoS2 FET noise work is now published in Applied Physics Letters!
Congrats Aroop Behera for his upcoming APS March Annual Meeting (Boston, Massachusetts) presentation on skyrmions in 2D-magnets.
Prof. Das is co-organizing "Transparent Conductors" and "Printable Electronics" sessions in 61st Electronic Materials Conference (EMC), to be held on June 26-28, 2019 at University of Michigan, Ann Arbor. See you, the participants, in Ann Arbor.
Welcome to Spring 2019 semester at K-State!
Prof. Das gave an invited talk on "Printable Electronics" at the National Sensor Workshop in January 2019 at Bharathiar University, Coimbatore, India.
Prof. Das gave an invited talk on "Electrons in Flatland" in the Physics Department in January 2019 at National Institute of Scientific and Education Research (NISER), India.
Our recent Phys. Rev. Applied paper is highlighted in number of news media: Sciencedaily, EurekAlert, PhysOrg, nanowerk, and many others!
October 3, 2018: Great job by our research team, demonstrating some of the coolest fun nano-based activities in GROW (Girls Researching Our World) 'Science Behind the News' workshop. Attendees were Kansas middle school girls. Big thanks to the attendees, KAWSE (Kansas State office for the advancement of women in science and engineering) coordinators as well.
Our paper on Molybdenum Diselenide Field Effect Transistors is accepted for publiction in Physical Review Applied (October 2018)!
Micro/Nano-Device manufacturing group welcomes our new graduate student Aroop Behera from India (Fall 2018)!
Our KS-LSAMP summer intern, Yonatal Garcia, successfully presented his research poster at K-State Union (07/24/2018). Great job, Yoni!!
Prof. Das presented our work on printed graphene in 60th Electronic Materials Conference held at University of California, Santa Barbara, June 27- 29, 2018.
Prof. Das co-chaired a session on Nanomagnetics and Spintronics in 60th Electronic Materials Conference held at University of California, Santa Barbara, June 27- 29, 2018.
Micro/Nano-Device manufacturing group showcased their research work at 2018 annual K-State Research showcase held at K-State Olathe campus!
Prof. Das is awarded K-State Mentoring Fellowship by president Richard B. Myers! (May 02, 2018)
Our work on printed graphene is accepted for oral presentation in 60th Electronic Materials Conference at University of California at Santa Barbara to be held on June 27-29, 2018.
Our work on water condensation on graphene is accepted for oral presentation in International Conference on Nanochannels, Microchannels, and Minichannels in Dubrovnik, Croatia on June 10-13, 2018.
Group welcomes members Pingping, WenJun, Andres, Thiba, and Jacob!
Prof. Das is invited to give a talk in MRSEC planning group, at Department of Physics, Kansas State University.
Prof. Das is invited for a graduate seminar at Electrical Engineering Department, Kansas State University.
Micro/Nano Device Manufacturing group is formed in Fall 2017!
Congratulations to PhD student Pingping Chen for receiving 2021-2022 Robert I-Jen and Sophia Shui-Kan Jung Graduate Scholarship in Engineering!
Congratulations to PhD student Aroop Behera for receiving outstanding graduate research assistant in IMSE Department.
Welcome Shiseido Robinson (IMSE senior) to our group as new undergraduate researcher.
Past Guest Editor
*We invite authors to contribute to the special issue of Micromachines (MDPI) on Flexible and Printable Graphene Electronics. For more details follow the LINK
We are always looking for highly motivated students to join our group for PhD. Students already at K-State, please meet Prof. Das to discuss about the opportunity. Students elsewhere, please send an email in srdas@ksu.edu with your CV and research statement.
Postdoctoral positions may be available, depending on funding situation. For postdoc position please contact Prof. Das (srdas@ksu.edu) with your full CV with publications, expertise and future interest/vision in your research statement.
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