Biddut K Sarker University of Central Florida, Nanoscience Technology Center and Department of Physics 12424 Research Pkwy Suite 400, Orlando, FL 32826 Email: bksarker@gmail.com; www.bksarker@weebly.com Phone: 407-227-4209 Education -- Ph.D. in Physics : University of Central Florida, USA. GPA = 3.91/4.00 Specialization : Nanoelectronics and Semiconductor Device Physics. Dissertation : Electronic and optoelectronic transport properties of solution processed carbon nanotube and carbon nanotube/organic semiconductor devices. M.S. in Physics : University of Central Florida, USA (Dec. 2010). GPA = 3.89/4.00 M.S. in Physics : University of Dhaka, Bangladesh (Aug. 2005). GPA= 4.00/4.00 B.S. in Physics : University of Dhaka, Bangladesh (Aug. 2003). GPA= 3.80/4.00 Research Interest ------------------------------------------------------------------------------------------------------------------------------------- Nanoscience and Technology, Nanofabrication, Nanoelectronics and optoelectronics devices, Organic electronics, Thin Films, Charge injection and transport mechanism, Carbon Nanotube, Nanowires, Graphene, Nanomaterials. Research Experience ------------------------------------------------------------------------------------------------------------------------------------ Graduate Research Assistant Aug 2008 - Present Nanoscience Technology Center and Department of Physics, University of Central Florida PhD Thesis Advisor: Dr. Saiful I. Khondaker Developed techniques for carbon nanotube aligned array electrodes fabrication using electron beam lithography (EBL) and plasma etching. Fabricated high-performance organic semiconductor thin film transistors using nanotube electrodes by different methods such as direct growth, spin coating, drop casting, thermal deposition. Investigated room temperature and low temperature transport properties of the nanoelectronics devices fabricated using different semiconductor materials, organic nanowires, carbon nanotubes. Determined barrier height and fundamental charge transport mechanisms at carbon nanotube-organic semiconductor interface. Performed the assembly and transport properties of semiconducting carbon nanotubes. Investigated the optoelectronics properties of the carbon nanotubes, graphene and carbon nanotube/polymer composite films. Trained and managed several graduate and one undergraduate student s research projects. Assisted advisor in writing funded research proposals (NSF proposal). Graduate Researcher Aug 2003 - Aug 2005 Department of Physics, University of Dhaka M.S. Thesis: Optical and dielectric properties of PVC, PVA and their blends. Fabricated thin film devices using vacuum coating method. Investigated optical and electrical of the polymer thin films. Performed temperature and frequency dependent dielectric properties of the polymer thin films.
Teaching Experience ------------------------------------------------------------------------------------------------------------------------------------- Graduate Teaching Assistant (GTA) Aug 2008 - Dec 2008 Department of Physics, University of Central Florida, USA Instructed students for performing experiments in lab. Assisted faculties in their teaching responsibilities. Proctored examinations, grading the quizzes, and lab reports Lecturer Nov 2006 - Aug 2008 Department of Physics, University of Dhaka, Bangladesh Aug.2007-July 2008: Electrodynamics Tutorial; 4 th year B.S. in Physics Programming and Scientific Computing; 3 rd year B.S. in Physics Electricity and Magnetism, 2 nd year B.S. in Chemistry Physics Laboratory; 2 nd year B.S. in Chemistry Computer Fundamental, 1 st year B.S. in Physics Nov. 2006-July 2007: Physics Laboratory; M.S. in Physics Waves and Oscillation; 2 nd year B.S. in Physics Physics Laboratory; 2 nd year B.S. in Chemistry Computer Fundamental; 1 st year B.S. in Physics Lecturer April 2005- Oct 2006 Ahasanullah University of Science and Technology, Bangladesh Jan 2006- Oct 2006: Optics, Waves and Thermodynamics, 1 st year B.S. in EE. Physics Laboratory, 1 st year B.S. in Computer Science and Architect Eng. April 2005-Dec2005: Modern Physics, 1 st year B.S. in Civil Engineering Physics Laboratory, 1 st year B.S. in Civil Eng., and Textile Eng. Skills Nano-fabrication and micro-fabrication: - Electron beam lithography (EBL), E- beam deposition, Thermal evaporator, plasma etching, chip and wire bonding. Scanning electron microscopy (Zeiss Ultra-55), Atomic force microscopy (Veeco Dimension 3100), UVspectroscopy. Thin-film deposition techniques: Direct growth, spin coating, drop casting, thermal disposition of organic semiconductors, Dielectrophoresis assembly of nanomaterials. Expert in carbon nanotubes electrode fabrications for high-performance nanoelectronics devices. Hands-on experience in fabrication and characterization of nano-electronics devices fabricated from organic semiconductors, carbon nanotubes, graphene, nanotube/polymer composite. Electrical transport measurement of nanoscale electronic devices, metal/organic interface at room and low temperatures. Strong background on the semiconductor device physics and nanoelectronics. Software: Proficient at Origin, Endnote, Quick-field, and DesignCAD, Microsoft Word, Excel, PowerPoint. Experience in C++, Mathematica, LabView. Excellent writing and oral communication skills (delivered 9 peer reviewed articles in high quality journal such as ACS Nano, Carbon, Applied Physics Letter, and gave more than 20 presentations at international conferences). Experience in NSF proposal writing.
Academic Honors and Awards Best Poster Award, Graduate Research Forum, University of Central Florida, USA (2012) Poster Award in Material science category at Florida Ch. of AVS Sci. &Tech. Society, USA (2012) Grand Poster Award in Material processing category at Florida Ch. of AVS Sci. &Tech. Society, USA (2012). Graduate Travel Fellowship Award, University of Central Florida, Orlando, USA( 2012) Graduate Travel Fellowship Award, University of Central Florida, Orlando, USA( 2011) GSA Travel Expense Award, University of Central Florida, USA, (two times) ( 2011) Graduate Travel Fellowship Award, University of Central Florida, Orlando, USA( 2010) GSA Travel Expense Award, University of Central Florida, USA ( 2010) Best Poster Award in NanoPhotonics and Nanoelectronics category at NanoFlorida, USA (2009) Honorable Mention for poster presentation at Florida Chapter of Vacuum Society, USA (2009) GSA Travel Expense Award, University of Central Florida, USA ( 2009) Graduate Travel Fellowship Award, University of Central Florida, USA (2009) Selected to attend Structure and Dynamics of Biomolecules conference, ICTP, Italy (2007) Selected to attend X-Ray Emission Techniques for Forensic Appl. conference ICTP, Italy (2007 ) Best Student Award for Academic Excellence, University of Dhaka (2003) Placed 1 st position in M.S Exam out of 26 graduate students, University of Dhaka (2005) Placed 3 rd position in B.S. exam out of 75 undergraduate students, University of Dhaka (2003) Journal Publications ------------------------------------------------------------------------------------------------------------------------------------- 9. Biddut K. Sarker, and Saiful Khondaker. Thermionic Emission and Tunneling at Carbon Nanotube-Organic Semiconductor Interface. ACS Nano, ASAP Article (2012) 8. Biddut K. Sarker, and Saiful Khondaker. High Performance Short Channel Organic Transistors using Densely Aligned Carbon Nanotube Array Electrodes. Appl. Phys. Lett. 100, 023301 ( 2012) 7. Biddut K. Sarker, Shashank Shekhar, and Saiful Khondaker. Semiconducting Enriched Carbon Nanotube Aligned Arrays of Tunable Density and Their Electrical Transport Properties. ACS Nano 5, 6297 (2011) 6. Biddut K. Sarker, Jianhua Liu, Lei Zhai, and Saiful Khondaker. Fabrication of Organic Field Effect Transistor by Directly Grown Poly(3 Hexylthiophene) Crystalline Nanowires on Carbon Nanotube Aligned Array Electrode. ACS Appl. Mater. Interfaces, 3,1180 ( 2011) 5. Biddut K. Sarker, Muhammad R. Islam, Feras Alzubi, and Saiful I. Khondaker. Fabrication of Aligned Carbon Nanotube Array Electrodes for Organic Electronics Devices. Materials Express, 1,80 (2011) 4. Surajit Ghosh, Biddut K. Sarker, Anindarupa Chunder, Lei Zhai, and Saiful I. Khondaker. Position dependent photodetector from large area reduced graphene oxide thin films. Appl. Phys. Lett. 96, 163109 (2010) 3. Biddut K. Sarker, M. Arif, and Saiful I. Khondaker. Near-infrared photoresponse in single walled carbon nanotube/polymer composite films. Carbon, 48, 1539 (2009) 2. Biddut K. Sarker, M. Arif, Paul Stokes and Saiful I. Khondaker. Diffusion mediated photoconduction in multi-walled carbon nanotube films. J. Appl. Phys. 106, 074307(2009) 1. B. K. Sarker, A.B.M.O. Islam, F. Ahmed and A.H. Bhuiyan. Optical and dielectric properties of PVC, PVA and their blends. Polymers & Polymer Composites, 14, 741 (2006)
Presentations: 23. (Invited) Biddut K. Sarker, and Saiful Khondaker. Charge Injection Mechanism at Carbon Nanotube- Organic Semiconductor Interface. 221st ECS Meeting - Seattle, Washington, USA (2012). 22. Biddut K. Sarker, Saiful Khondaker. Charge Injection Mechanism at Carbon Nanotube-Organic Semiconductor Interface. APS March Meeting, Boston, USA, (2012). 21. Saiful Khondaker, Biddut K. Sarker. Semiconducting Enriched Carbon Nanotube Aligned Arrays of Tunable Density and Their Electrical Transport Properties. APS March Meeting, Boston, USA, (2012). 20. Narae Kang, Biddut K. Sarker, Saiful Khondaker. Does Organic Field Effect Transistors (OFETs) Device Performance using Single-walled Carbon Nanotubes (SWNTs) Depend on the Density of SWNT in the Electrode? APS March Meeting, Boston, USA, (2012). 19. Edwards G. Jimenez, Biddut K. Sarker, Saiful Khondaker. N-type Organic Field Effect Transistor Using Densely Aligned Carbon Nanotube Array Electrodes. APS March Meeting, Boston, USA, (2012). 18. Biddut K. Sarker, Saiful Khondaker. Charge Injection Mechanism at Carbon Nanotube-Organic Semiconductor Interface. Florida Chapter of AVS Science and Technology Society (FLAVS),USA, March 2012. 17. Narae Kang, Biddut K. Sarker, Saiful Khondaker. Does Organic Field Effect Transistors (OFETs) Device Performance using Single-walled Carbon Nanotubes (SWNTs) Depend on the Density of SWNT in the Electrode? Florida Chapter of AVS Science and Technology Society(FLAVS), USA, March 2012. 16. Edwards G. Jimenez, Biddut K. Sarker, Saiful Khondaker. N-type Organic Field Effect Transistor Using Densely Aligned Carbon Nanotube Array Electrodes. Florida Chapter of AVS Science and Technology Society(FLAVS), USA, March 2012. 15. Biddut K. Sarker, Jianhua Liu, Lei Zhai, Saiful Khondaker; Organic field effect transistor fabricated by directly grown poly (3 hexylthiophene) crystalline nanowires on solution processed carbon nanotube aligned array electrodes; MRS Fall Meeting, Boston, USA, 2011. 14. Biddut K. Sarker, Jianhua Liu, Lei Zhai, Saiful Khondaker; Organic field effect transistor fabricated by directly grown poly (3 hexylthiophene) crystalline nanowires on solution processed carbon nanotube aligned array electrodes; APS March Meeting, Dallas, Texas, USA, 2011. 13. Biddut K. Sarker, Jianhua Liu, Lei Zhai * and Saiful I. Khondaker; Organic Transistor Fabricated by Directly Grown Poly (3-hexylthiophene) Crystalline Nanowires on Carbon Nanotube Electrodes; Florida Chapter of AVS Science and Technology Society (FLAVS), Orlando, Florida, March 2011 12. Biddut K. Sarker, and Saiful I. Khondaker; Solution processed carbon nanotube aligned array electrodes for organic thin film transistor; NanoFlorida, University of Central Florida, U.S.A, August 2010 11. Biddut K. Sarker, and Saiful I. Khondaker; Solution processed carbon nanotubes electrodes for organic thin film transistors; Graduate Research Forum, University of Central Florida, USA, April 2010 10. Biddut K. Sarker, M. Arif, and Saiful I. Khondaker; Near-infrared photoresponse in single walled carbon nanotube/polymer composite films; APS March Meeting, Portland, USA, 2010
9. Surajit Ghosh, Biddut K. Sarker, Anindarupa Chunder, Lei Zhai, and Saiful I Khondaker; Photoresponse in reduced graphene oxide thin films; APS March Meeting, Portland, USA, 2010 8. Biddut K. Sarker, M. Arif, Lei Zhai and Saiful I. Khondaker Near-infrared photoresponse in single walled carbon nanotube /polymer composite film; The third international Conference on vibrations at surfaces Orlando, U.S.A, March 2010 7. Surajit Ghosh, Biddut K. Sarker, Anindarupa Chunder, Lei Zhai, and Saiful I Khondaker; Position dependent photocurrent generation in large area reduced graphene oxide thin films; The third international conference on vibrations at surfaces Orlando, U.S.A, March, 2010 6. Biddut K. Sarker, M. Arif, Lei Zhai and Saiful I. Khondaker; Near-infrared photoresponse in single walled carbon nanotube /polymer composite films NanoFlorida-2009, University of Central Florida, Orlando, Florida, U.S.A, August,2009 5. Biddut K. Sarker, M. Arif, Paul Stokes and Saiful I. Khondaker; Near infrared photoresponse study of large area multi-walled carbon nanotube film with different electrode spacing ; Graduate Research Forum, University of Central Florida, April 2009 4. Biddut K. Sarker, M. Arif, Paul Stokes and Saiful I. Khondaker; Near infrared photoresponse study of large area multi-walled carbon nanotube film with different electrode spacing APS March Meeting, Pittsburgh, USA, 2009 3. Biddut K. Sarker, M. Arif, Paul Stokes and Saiful I. Khondaker; Photoresponse study in multi-walled carbon nanotube film with different electrode spacing ; Florida Chapter of AVS Science and Technology Society(FLAVS), Orlando, Florida, March 2009. 2. Biddut K. Sarker, A.B.M.O. Islam, F. Ahmed and A.H. Bhuiyan; Optical and dielectric properties of PVC, PVA and their blends ; Annual conference of Bangladesh Physics Society, Bangladesh University of Engineering Technology (BUET), Bangladesh, May 2007 1. Biddut K. Sarker, A.B.M.O. Islam, F. Ahmed and A.H. Bhuiyan; Optical and dielectric properties of PVC, PVA and their blends ;9 th International Conference on Mathematical Physics & 7 th International Conference on Chemical Physics; University of Chittagong, Bangladesh, March 2007 Professional Development and Outreach Advance Lithography Workshop, University of Florida, Gainesville, Florida, USA (2011). Preparing Future Faculty program (Twelve-week), UCF s Faculty Center for Teaching and Learning, Florida, USA (2011). Nanoscience Student Body lead for preparation of NanoFlorida (2009). Two days Training on Graduate Teaching Assistant (GTA), UCF, USA (2008). Assistant House Tutor (administration position), Jagannath Hall, University of Dhaka, 04/2006 to 07/2008. Member, Graduate Society of Physics Students (GSPS) Since 2010. Member, Material Research Society (MRS) since 2011. Member, American Physical Society (APS) since 2009. Life member, Bangladesh Physical Society (BPS) since 2007.
References - Dr. Saiful I. Khondaker Nanoscience Technology Center and Dept. of Physics University of Central Florida 12424 Research Pkwy Suite 400; Orlando, FL 32826 Tel: (407) 864-5054; Fax: (407) 882-2819 Email: saiful@ucf.edu Dr. Lei Zhai Nanoscience Technology Center and Dept. of Chemistry University of Central Florida 12424 Research Pkwy Suite 400; Orlando, FL 32826 Tel: (407) 882-2847; Fax: (407) 882-2819 Email: lzhai@ucf.edu Dr. Sergei Stolbov Department of Physics, University of Central Florida 4000 Central Florida Blvd / Building 121 PS 309; Orlando, FL 32816 Tel: (407) 823-1528; Fax: 407-823-5112 Email: sstolbov@physics.ucf.edu