RAJENDRA R KHANAL, PhD

**** *** **** **., *** #**9, Toledo, OH, 43614, 419-***-****, accae6@r.postjobfree.com

OBJECTIVE

W ork in a position utilizing thin film process development and characterization experience. Conduct

research on the structure and properties of nano-materials to develop new products or enhance existing

ones. Determine the ways to strengthen or combine materials to develop nano -composites required for

specific applications. Implement different device testing methods to evaluate the effects of various

conditions on particular materials. Work on successfully optimized laboratory techniques to volume and

scalable manufacturing processes.

EDUCATION

University of Toledo, Toledo OH

Ph.D., Physics Spring 2014 (Expected)

University of Akron, Akron OH

MS Physics (course work), August, 2006 – 2008

Tribhuvan University, Kathmandu Nepal

Msc., Physics, August, 2002

CORE COMPETENCIES

Thin film deposition

RF/DC Sputtering, Thermal Evaporation, Spin Coat, Dip Coat, Spray coat, Membrane Transfer,

Plasma Enhanced Chemical Vapor Deposition (PECVD), Chemical Bath Deposition (CBD)

Material Characterization

Raman Spectroscopy (RAMAN), X-ray Diffraction (XRD), Spectro-photometer (Reflectance,

Transmittance, Absorbance), Fourier Transform Infra-red (FT-IR)), FT-PLE, FT- Raman, XPS,

Auger spectroscopy, Scanning Electron Microscope (SEM), Energy-Dispersive X-ray

Spectroscopy (EDX)), Transmission Electron Spectroscopy (TEM), Atomic F orce Microscopy

(AFM), Optical Microscopy, Thermo -gravity Analysis (TGA)

Device Characterization

Current-Voltage (I-V), Two (Four)-Point Probe Method, Hall Measurement, Temperature-

Resistance (T-R), Spectral Response and Photoluminescence (PL) Spectra, Laser Beam Induced

Current (LBIC), Laser Beam Induced Voltage Measurement (LBIV), Dektak Profilometer

Design and Fabrication

Device Fabrication (Clean Room Facility Experience, Photo-Lithography and Lift-off Process,

Chemical / Oxygen-plasma Etching, Mask Aligner, Patterned Electrode Structures)

Design (Photo-Detectors, Photo-Voltaic Cells (PVC), Hall Effect Measurement Device, Anti-

Reflection Coating System)

Process Monitoring and Control

In-situ and Post-experiment Analysis (Structural, Chemical, Physical and Optical Properties)

Quality Control (Process Monitoring and Control, Statistical Quality Control,

Repeatability/Reliability Issues, Failure Analysis)

Software

(ORIGIN, EXCEL, Igor pro), Microsoft Office, LATEX, Labview

Scientific Accomplishments

Two peer review publications, four in preparation, four conference proceeding s, five conference

presentations, one international patent

Society

Members of APS, MRS, ACS, IEEE, NPS

RESEARCH EXPERIENCE

Wright Centre of Photovoltaic, Innovations and Commercialization (PVIC), Department of

Physics and Astronomy, the University of Toledo, Toledo, OH

Research Assistant, May, 2009 - present

Synthesis, Characterization and Device Fabrication of Carbon nanotube

Investigated different methods for the successful synthesis of large area high quality carbon

nanotubes (Laser vaporization synthesis of SWNTs, spray technology and vacuum -transferred

method)

Developed the methods of purification of carbon nanotube

Designed and fabricated thin film solar cell of different types such as CIGS, a -Si, CdTe/CdS with

SWNTs films

Investigated the SWNTs film used as a front electrode/back electrode in solar cell technology

Determined the ways to enhance the conductivity behavior of SWNT with different doping

materials (nitric acid, oxygen, nitrogen, PEDOT, DMSO)

Fabricated the CdTe solar cell with SWNTs film as a back contact in superstrate and substrate

configuration

Fabricated and investigated the opto-electronic properties of SWNTs/Semiconducting materials

such as a-Si, ITO, CdS, CdTe, Zn3P2 and SWNT/metal hybrid thin films deposited on carbon

nanotubes

August, 2008– May 2009

Teaching Assistant

Taught undergraduate physics laboratory courses

Department of Physics, University of Akron, Akron OH

August, 2006–August, 2008

Teaching/Research Assistant,

Taught undergraduate physics laboratory courses

Studied the surface composition of bio-materials, metal nitride and oxide films using XPS

Characterized Mo thin films deposited at different substrates

Department of Physics, Tribhuvan University, Kathmandu Nepal

August, 2002 –July, 2006

Undergraduate Lecturer

Instructed undergraduate Physics courses offered by the college (Thermo- I, Thermo - II,

Mechanics-I)

Guided and motivated students for their academic achievements

August, 1998 –July, 2002

Research/Teaching Assistant,

Measured the dielectric constant and dielectric loss of the organic solvent/polymer solution

Studied the effects of temperature on the dielectric parameters

Designed and tested electronic circuit systems with transistors, amplifiers, diodes etc

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