Appointements (Total ~ 14 Years Post-Ph.D):

Visit our Lab Webpage (Nanostructred Optically Active Materials and Devices-NOMAD Lab)

• Nanotechnology
• Nano-optics
• Experimental Condensed Matter Physics
• Quantum Materials and Devices
• Raman and Photoluminescences Spectroscopy

• Inspire Faculty Award (Physical Science), Department of Science and Technology (DST), Govt. of India (2013).
• Brain-Korea 21 Post-Doctoral Fellowship, Nano-Optics Group, Department of Physics and Astronomy, Seoul National University, Korea. June, 2011-Feb, 2013.
• Senior Research Fellowship, Council for Scientific and Industrial Research (CSIR), Govt. of India. October 2008 - September 2010,
• Senior Research Fellowship, MHRD Govt. of India.  July 2007- September 2008.
• Junior Research Fellowship, MHRD Govt. of India. July 2005- June 2007.

Publications:  (h-Index: 18,  i10 index: 27)

[50]      Pranjal Pandey, Rakesh K. Prasad, Dilip K. Singh*

Real time big-data processing and monitoring tool for object detection using Gaussian mixture model with improved noise reduction. 

Pattern Recognition Letters (2024  Under review)

DOI: 10.21203/rs.3.rs-4104551/v1 *Corresponding author    

[49]      Saurav K. Dubey, Rakesh K. Prasad, Dilip K. Singh*,

Detection of Narcoleptic and Veer tendencies using Machine learning and Sensors

Machine Vision and Applications 2024 (Under review)   *Corresponding author

[48]      Ashish Gaurav, Deepali Sinha, Rakesh K. Prasad, Dilip K. Singh,

Single step synthesis of size-controlled carbon quantum dots using electrochemical etching of graphite.  arXiv:2011.03217v1 [physics.app-ph]

J. of Nanoscience & Nanotech (2024, Under revision) *Corresponding author         

[47]      Shilpi Kumari, Jiwajyoti Mahanta, Manish K. Singh, Ameer Sohail, N. R. Peela, Dipankar Bandyopadhyay, Dilip K. Singh*,

Graphitic carbon nitride-based Lipase Sensor

ACS Applied Materials and Interfaces 2025 (Submitted)   *Corresponding author    

[46]      Rakesh K. Prasad, Dilip K. Singh*,

Melamine-based graphitic-C₃N₄ / p-Silicon heterostructure photo-detector: Effect of g-C3N4 growth time on performance

Journal of Electronic Materials 2025 (In Press)*Corresponding author    

[45]      Shilpi Kumari, Jiwajyoti Mahanta, Manish K. Singh, Ameer Sohail, N. R. Peela, Dipankar Bandyopadhyay, Dilip K. Singh*,

Graphitic carbon nitride-based high-performance Organic Field Effect Transistor

ACS Applied Engineering Materials 2025 (Under review)   *Corresponding author    

[44]      Manish K. Singh, Dilip K. Singh*,

Synthesis and Characterization of Calcium stannate (CaSnO₃) using biological waste mussel shell for optical and electrical device application

Materials Chemistry and Physics: Sustainability and Energy 2025 (In Press)   *Corresponding author  

[43]      Riya Malik; Ankur Rana; Megha Rana; Dilip Kumar Singh; Ritu Srivastava, Dilip K. Singh, C K Suman

Synergistic effects of liquid phase exfoliated molybdenum based 2D nanosheets and MWCNT for high performance supercapacitors

Journal of Energy Storage 2025 (In Press)   

[42]      Manisha Kumari, Rakesh K. Prasad, Manish K. Singh, Parameswar K. Iyer, Dilip K. Singh*,

Piezoresistive/Piezoelectric Pressure Sensor Based on CVD-Grown ZnO Nanowires on Polyethylene Terephthalate Substrate

ACS Applied Electronic Materials  6, 8, 6165–6173, 2024 *Corresponding author    

ACS Applied Electronic Materials 2023, 5, 7, 3634-3640    [arXiv:2303.15289]

*Corresponding author 

*Corresponding author 

[39]      Rakesh K. Prasad, Dilip K. Singh,

Kinetics and Parameters of Epitaxial Monolayered Continuous large area Molybdenum disulfide Growth. 

ACS Omega 2023, 8, 12, 10930–10940         [arXiv:2022. 4327977]

*Corresponding author  

[38]      Ravi Kumar, Dilip K. Singh, Prashant Kumar, Cong T. Trinh, K.-G. Lee, Raj Kumar, and S. R. Dhakate.

High ensemble concentration of photo-stable NV centers in Type Ib nanodiamonds by               thermal assisted migration of native vacancies.

Diamond and Related Materials 114, 108337 (2021)

[37]      Rakesh K Prasad and Dilip K Singh

Low cost electrical probe station using etched tungsten nanoprobes: role of cathode geometry    arXiv:2006.09971 [physics.ins-det]

Nano Express (IOP) 1, 2 (2020)     *Corresponding author    

[36]      Ravi Kumar, Prabir Pal, S. R. Dhakate, Raj Kumar, Devesh K. Avasthi, Dilip K. Singh*

Creation of uniformly dispersed nitrogen-vacancy centers in Nano-diamonds by low energy ion-irradiation

Material Research Express 6, 115097 (2019) *Corresponding author    

[35]      Ravi Kumar, Dilip K. Singh, Prashant Kumar, Raj Kumar, S. R. Dhakate

Influence of degree of air oxidation and functionality on ensemble emission from nitrogen vacancy centers in nano-diamonds.

Diamond and Related Materials 97, 107431 (2019)

[34]      Ravi Kumar, Priyanka Pandit, Prabir Pal, S. R. Dhakate, R. P. Pant, Raj Kumar, Devesh K. Avasthi, Dilip K. Singh*

Bright Fluorescent Nano-diamonds through Optimized Engineering of Nitrogen-vacancy (NV) Centers.

AIP Advances 8, 085023 (2018) *Corresponding author  

[33]      A. Barvat, N. Prakash, G. Kumar, Dilip K. Singh, A. Dogra, S. Khanna, P. Pal

Electronic structure of the PLD grown mixed phase MoS2/GaN interface and its thermal annealing effect.

Current Applied Physics 18, 170–177 (2018)

[32]      A. Barvat, N. Prakash, S. Singha, G. Kumar, Dilip K. Singh, A. Dogra, S. Khanna, A. Singha, and P. Pal.

Emerging photoluminescence from bilayer 2H-MoS₂ films grown by pulsed laser deposition on different substrates.

Journal of Applied Physics 122, 015304 (2017)

[31]      Ashish Gupta, Sanjay R. Dhakate, Prabir Pal, Anamika Dey, Parameswar K. Iyer, Dilip K.  Singh

Spectroscopic Study of Effect of Graphitization Temperature on Crystallinity and Electrical Conductivity of Poly-acrylonitrile based Carbon Nano-fibers.

Diamond and Related Materials 78, 31-38 (2017).     *Corresponding author

[30]     Munu Borah, Abhishek K Pathak, Dilip K Singh, Prabir Pal and Sanjay R Dhakate

Role of limited hydrogen and flow interval on the growth of single crystal to continuous graphene by low-pressure chemical vapor deposition.

Nanotechnology 28(7), 075602 (2017). 

 [29]     Ravi Kumar, S. J. Yoon, K. G. Lee, Prabir Pal, R. P. Pant, C. K. Suman, S. R. Dhakate, Raj Kumar, Devesh K. Avasthi, Dilip K. Singh*

Purification Method Dependent Fluorescence from Nitrogen-vacancy (NV) Centers of Nano-diamonds.

RSC Advances 6 (52), 47164-47173 (2016). *Corresponding author

[28]     Nisha Prakash, Kritika Anand, Arun Barvat, Prabir Pal, Dilip K. Singh, Mukesh Jewariya, Srinivasa Ragam, Sonachand Adhikari, Kamlesh K. Maurya, Suraj P. Khanna

The impact of RF-plasma power in carrier relaxation dynamics of unintentional doped GaN epitaxial layers grown by MBE.

Optical Materials 54, 26-31 (2016).

[27]     Dilip K. Singh, Jae Sung Ahn, Sukmo Koo, Taehee Kang, Joonyeon Kim, Sukho Lee, Namkyoo Park and Dai-Sik Kim

Selective Electric and Magnetic Sensitivity of Aperture Probes.

                     Opt. Express 23, 20820 (2015).

[26]     Jae Sung Ahn, Taehee Kang, Dilip K. Singh, Young-Mi Bahk, Hyunhwa Lee, Soo Bong                 Choi and Dai-Sik Kim

Optical field enhancement of nanometer-sized gaps at near-infrared frequencies.

         Optics Express 23, 4897 (2015).

[25]     Munu Boraha, Dilip K. Singh, Kiran M. Subhedar and Sanjay R. Dhakatea,

Role of Substrate Purity and its Crystallographic Orientation on the Defect Density of Chemical Vapor Deposition Grown Monolayer Graphene.

            RSC Advances 5, 69110 (2015). 

[24]     S. S. Kushvaha, M. Senthil Kumar, A. K. Shukla, B. S. Yadav, Dilip K. Singh, M. Jewariya, S. R. Ragam and K. K. Maurya 

Structural, optical and electronic properties of homoepitaxial GaN nanowalls grown on GaN template by laser molecular beam epitaxy.

RSC Adv. 5, 87818 (2015).

[23]     Manish Verma, Dilip K. Singh*, P. Senthilkumaran, Joby Joseph, H. C. Kandpal, Ultrasensitive and fast detection of denaturation of milk by Coherent backscattering of light.

Scientific Reports, 4, 7257 (2014).      *Corresponding author

[22]     Dilip K. Singh, Q. H. Kihm, H. W. Kihm, and Dai-Sik Kim, “Optical Magnetic Field Analyzer” Quantum Electronics and Laser Science Conference, San Jose, California United States, May 6-11, 2012, ISBN: 978-1-55752-943-5

Chiral and Complex Plasmonics (QTh4F)

http://dx.doi.org/10.1364/QELS.2012.QTh4F.7

[21]     S. Vilain, H. W. Khim, Dilip K. Singh and D. S. Kim, “Mapping |E_x|², |E_z|² and |H_y|² for one-dimensional surface plasmon polaritons” Quantum Electronics and Laser Science Conference, San Jose, California United States, May 6-11, 2012, ISBN: 978-1-55752-943-5, Plasmonic Imaging (QTh3F)

http://dx.doi.org/10.1364/QELS.2012.QTh3F.3

[20]     Dilip K. Singh, Parameswar K. Iyer, P. K. Giri,

Distinguishing defect induced intermediate frequency modes from combination modes in the Raman spectrum of single walled carbon nanotubes.

J. Appl. Phys. 111, 064304 (2012).

[19]     Dilip K. Singh, Parameswar K. Iyer, and P. K. Giri,

Role of molecular interactions and structural defects in the efficient fluorescence                quenching by carbon nanotubes.

Carbon 50, 4495 (2012).

[18]      P. K. Giri, S. Bhattacharya, B. Chetia, Satchi Kumari, Dilip K. Singh, P. K. Iyer,

High yield chemical synthesis of hexagonal ZnO nanoparticles and nanorods with excellent optical properties

J. Nanosci. Nanotechnol. 12, 201 (2012).

[17]     Prasanta J. Goutam, Dilip K. Singh, and Parameswar K. Iyer,

Photoluminescence quenching of poly(3-hexylthiophene) by carbon nanotubes.

J. Phy. Chem. C 115 (49), 24067 (2012).

[16]     Dilip K. Singh, Parameswar .K. Iyer, and P. K. Giri,

Defect evolution and structural improvement in low energy ion irradiated carbon nanotubes: Microscopic and spectroscopic studies.

Int. J. Nanosci. 10, 49 (2011). 

[15]     Dilip K. Singh, P. K. Giri and Parameswar K. Iyer

Evidence for Defect-Enhanced Photoluminescence Quenching of Fluorescein by Carbon Nanotubes.

J. Phy. Chem. C 116 (14), 8196-8201 (2011).

[14]     Dilip K. Singh, Parameswar K. Iyer and P. K. Giri,

Improved chemical synthesis of graphene using a safer solvothermal route.

Int. J. Nanosci. 10, 39 (2011).  

[13]      Prasanta J. Goutam, Dilip K. Singh, P. K. Giri, Parameswar K. Iyer,

Enhancing the Photo Stability of Poly-(3-Hexylthiophene) by Preparing composites with Multiwalled Carbon Nanotubes.

J. Phy. Chem. B 115, 919 (2011).

[12]     Dilip K.Singh, Parameswar .K. Iyer, and P. K. Giri,

Diameter dependent oxidative stability of multiwalled carbon nanotubes: Role of defects and effect of vacuum annealing.

J.  Appl. Phys. 108, 084313 (2010).   

                            (Also appeared in Virtual Jr. of Nanoscale Science & Technology, November 1, 2010)

[11]     Dilip K. Singh, Parameswar .K. Iyer, and P. K. Giri,

Diameter dependence of interwall separation and strain in multiwalled carbon nanotubes probed by X-ray diffraction and Raman scattering studies

Diamond and Related Materials 19, 1281 (2010).

[10]     Dilip K. Singh, P. K. Iyer, and P. K. Giri,

Optical Signature of Structural Defects in Single Walled and Multiwalled CNTs.

J. Nanosci. Nanotechnol. 9, 5396 (2009).

[9]       Dilip K. Singh, Parameswar .K. Iyer, and P.K.Giri,

Quantitative analysis of diameter dependent properties of multi-walled carbon nantoubes.

AIP Conference Proceedings 1147, 450 (2009).

[8]         Satchi Kumari, Dilip K. Singh, and P. K. Giri,

Strain Anisotropy in Freestanding Germanium Nanoparticles Synthesized by Ball Milling.

J. Nanosci. Nanotechnol. 9, 5231 (2009).

[7]         P. K. Reddy, P. J. Goutam, Diilp K. Singh, A. K. Ghoshal,; P. K. Iyer,

Poly(3-hexylthiphene) to fullerenes. Kinetic modeling and analysis of thermal degradation  pathway.

Polymer degradation and stability 94, 1839 (2009).

[6]       Dilip K. Singh, P. K. Iyer, and P. K. Giri,

Functionalization of Carbon nanotubes and study of its optical and structural properties.

Nano Trends, A Journal of Nanotechnology and Its Applications 4, 55 (2008).

[5]       Dilip K. Singh, P. K. Iyer, and P. K. Giri,

Study of fluorescence quenching effect of Carbon Nanotubes.

Proc. 52nd DAE Solid State Physics Symposium 52, 347 (2007).

[4]         P. K. Giri and Dilip K. Singh,

Possible role of defects in the Visible Photoluminescence from Single Walled and   Multiwalled Carbon Nanotubes.

Mater. Res. Soc. Symp. Proc. Vol. 1018, EE07-03 (2007).

[3]         Prabhakar P. Palni, Satchi Kumari, Neeraj Garg Baruah, Dilip K. Singh, P. K. Giri,

Effect of annealing on high quality Zinc Oxide Nanowires synthesized by catalytic vapor-deposition.

Nano Trends 3 (2007) 1–6.

[2]         P. K. Giri, P. K. Patel, C. J. Panchal, S. Bhattacharyya, Satchi Kumari, Dilip K. Singh, V. A. Kheraj, N. M. Shah.

Studies on Zinc Oxide Nanorods Grown Electron Beam Evaporation Technique.

Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry 37, 437 (2007).

[1]         P. K. Giri, S. Bhattacharyya, Dilip K. Singh, R. Kesavamoorthy, B. K. Panigrahi, and K.G. M. Nair,

Correlation between microstructure and optical properties of ZnO nanoparticles  synthesized by ball milling.

J. Appl. Phys. 102, 093515 (2007).      

1. American Physical Society (APS) – Annual member

2. Indian Carbon Society – Life member

3. Material Research Society of India (MRSI)- Life member

3. Electron Microscope Society of India – Life member

4. Plasma Science Society of India (PSSI)- Life member

5. Ion-beam society of India (IBS) – Life Member

[1]      Title: “Nanoparticle based Colorimetric Method for Detection of Adulteration in Honey”

Inventors: Dilip Kumar Singh, Ashish Gaurav, Deepali Sinha,

Applicant: BIRLA INSTITUTE OF TECHNOLOGY, MESRA.

Indian Patent Application 

[2]     Title: Graphitic carbon nitride-based high-performance Organic Field Effect Transistor

Inventors: Shilpi Kumari, Jiwajyoti Mahanta, Manish K. Singh, Pranjoli Das, Dilip K. Singh,

Indian patent application 

[3]     Title: Enhanced Biosensing Capabilities of Graphitic Carbon Nitride-Based Organic Field Effect Transistors for Lipase Detection

Inventors: Shilpi Kumari, Jiwajyoti Mahanta, Manish K. Singh, Pranjoli Das, Dilip K. Singh,

Indian patent application

1. DST-Inspire Faculty (Physical Science), CSIR-National Physical Laboratory New Delhi 2014-2017.

2. Brain-Korea 21 Post-Doctoral Fellow, Frontier Physics Division, Seoul National University, Korea. 2011-2013.