Publications

List of Papers Published in International Refereed Journals 

1. Ishpal Rawal, Lalit Kumar, Ravi Kant Tripathi, and Omvir Singh Panwar, Surface Structure-Dependent Low Turn-On Electron Field Emission from Polypyrrole/Tin Oxide Hybrid Cathodes, ACS Omega 2 ( 2017) 7515−7524

   1. Neeraj Dwivedi, Chetna Dhand, Ishpal Rawal, Sushil Kumar,  Hitendra K. Malik, Anomalous Electron Transport in Metal/Carbon Multijunction Devices by Engineering of the Carbon Thickness and Selecting Metal Layer, Journal of Applied Physics, 121, (2017) 225101-1-8, ISSN: 0021-8979.

2. Ishpal Rawal, Neeraj Dwivedi, Ravi Kant Tripathi, O.S. Panwar, Hitendra K. Malik, Organic-inorganic hybrid nanomaterials for advanced light dependent resistors, Materials Chemistry and Physics 202 (2017) 169-176.

• 1. Karmvir Singh, Ishpal Rawal, Rajesh Punia, and Rakesh Dhar, X-ray photoelectron spectroscopy investigations of band offsets in Ga0.02Zn0.98O/ZnO heterojunction for UV photodetectors, Journal of Applied Physics 122, (2017) 155301-1-13

  2. Lalit Kumar, Ishpal Rawal,  Amarjeet Kaur  and S. Annapoorni, Flexible Room Temperature Ammonia Sensor based on Polyaniline film, Sensors and Actuators B: Chemical – Sensors and Actuators B 240 (2017) 408–416.

3. Ishpal Rawal, J. David Carey, O.S. Panwar, Ravi Kant Tripathi, Organic-inorganic hybrid cathodes: Facile synthesis of polypyrrole/zinc oxide nanofibers for low turn-on electron field emitters, RSC Advances 6 (2016) 46372-46379. Impact factor-3.289.

4. Ishpal Rawal, Ravi K Tripathi, OS Panwar, Easy synthesis of organic–inorganic hybrid nanomaterials: study of DC conduction mechanism for light dependent resistors, RSC Advances 6 (2016) 31540-31550. Impact factor-3.289.

5. Ishpal Rawal, Facial synthesis of hexagonal metal oxide nanoparticles for low temperature ammonia gas sensing applications, (RSC Advances 5 (2015) 4135-4142)Impact factor-3.289.

6. Ishpal Rawal, Amarjeet Kaur, Low frequency and temperature dependent dielectric spectroscopic studies of polypyrrole nanoparticles, Philosophical Magazine 95 (2015)1399-1413. ISSN:1478-6435 Impact factor-1.632

7. Ishpal Rawal, O.S. Panwar, R.K. Tripathi, A.P. Singh, S.K. Dhawan, A.K. Srivastava, Effect of helium gas pressure on dc conduction mechanism and EMI shielding properties of nanocrystalline carbon thin films, Material Chemistry and Physics 158 (2015) 10-17. ISSN: 0254-0584 Impact factor-2.101

8. Ishpal Rawal, O. S. Panwar,  R. K. Tripathi, A. K. Srivastava, Mahesh Kumar, Sreekumar Chockalingam, Structural and nanomechanical properties of nanocrystalline carbon thin films for photodetection, Journal of Vacuum Science Technology A 33 (2015) 031501. ISSN: 0734-2101 Impact factor-1.7

• 1. O. S. Panwar, Ishpal Rawal, R. K. Tripathi, A. K. Srivastava, Mahesh Kumar, Structural, nanomechanical and variable range hopping conduction behavior of nanocrystalline carbon thin films deposited by the ambient environment assisted filtered cathodic jet carbon arc technique, Journal of Alloys and Compounds –628 (2015) 135-145, ISSN: 0925-8388. Impact factor -3.014

  2. Atul Bisht, S. Chockalingam, O. S. Panwar, A. K. Kesarwani, Ishpal Rawal, B. P. Singh, V. N. Singh, Structural, field emission and ammonia gas sensing properties of multiwalled carbon nanotube-graphene like hybrid films deposited by microwave plasma enhanced chemical vapor deposition technique, Science of Advanced Materials 1 (2015) 1424-1434, ISSN: 1947-2935 impact factor-2.598.

9. Ishpal Rawal, Kiran Sehrawat, Amarjeet Kaur, Vibration spectroscopy for the investigation of ammonia gas sensing mechanism in polypyrrole nanostructures (Vibrational Spectroscopy- 74 (2014) 64–74), ISSN: 0924-2031, 08/08/2014. Impact factor -1.682

10. Ishpal Rawal and Amarjeet Kaur, Effect of anionic surfactant concentration on the variable range hopping conduction in polypyrrole nanoparticles, (Journal of Applied Physics 115 (2014) 043717-1-6) ISSN: 0021-8979. 29/01/2014, Impact factor - 2.101.

11. R. K. Tripathi,   O. S. Panwar,   A. K. Kesarwani,  Ishpal Rawal,   B. P. Singh,   M. K. Dalai and   S. Chockalingam, Investigations n phosphorous doped hydrogenated amorphous silicon carbide thin films deposited by filtered cathodic vacuum arc technique for photo detecting application, (RSC Advances4 (2014) 54388-54397), 16/10/2014, Impact factor-3.289.

• 1. Neeraj Dwivedi, S. Kumar, Ishpal Rawal, H. Malik, Influence of consumed power on deposition of nano-structured diamond-like carbon thin films and its spectroscopic and nano-mechanical investigations –(Applied Surface Science 300 (2014) 141-148) ISSN: 0169-4332. 17/02/2014, Impact factor -3.15

  2. Vinod Kumar, Sunny, Ishpal Rawal,  V.N. Mishra, R. Dwivedi, R.R. Das, Fabrication and Characterization of Grided Pt/SiO2/Si MOS Structure for Hydrogen and Hydrogen Sulphide Sensing (Material Chemistry and Physics 146 (2014) 418-424), ISSN: 0254-0584. Dated 23/03/2014, Impact factor -2.101

  3. R. K. Tripathi, O. S. Panwar, A. K. Srivastava, Ishpal Rawal and Sreekumar Chockalingam,  Structural, nanomechanical, field emission and ammonia gas sensing properties of nitrogenated amorphous carbon films deposited by filtered anodic jet carbon arc technique, (Talanta 125 (2014) 276-283), 19/03/2014, ISSN: 0039-9140, Impact factor 4.035

12. Ishpal Rawal and A. Kaur, Synthesis of mesoporous polypyrrole nanotubes/ nanoparticles for ammonia gas sensing application (Sensors and Actuators A: Physical 203 (2013) 92-102) ISSN: 0924-4247,  19/08/2013 Impact factor -2.201,

13. Ishpal and A. Kaur, Spectroscopic and electrical sensing mechanism in Oxidant mediated polypyrrole nanofibers/nanoparticles for ammonia gas (Journal of Nanoparticle Research 15 (2013) 1637-1-14) ISSN: 1572-896X 04/04/2013 Impact factor -2.101.

14. Ishpal and A. Kaur, Spectroscopic investigation of ammonia gas sensing mechanism in polypyrrole nanotubes/nanorods (Journal of Applied Physics-113 (2013) 094504-1-11), ISSN: 0021-8979., 05/03/2013, Impact factor -2.101.

• 1. R. K. Tripathi, O. S. Panwar, A. K. Srivastava, Ishpal, M.Kumar and S. Chockalingam, Structural, nanomechanical and field emission properties of amorphous carbon films having embedded nanocrystallites deposited by filtered anodic jet carbon arc technique, (Journal of Nanoscience- 2013 (2013) 401710-1-11), 22/07/ 2013

  2. R. Dhar, Ishpal, P. Kumar, Deepika, D. Mohan, Synthesis of Reliable Food Grade packaging Materials, International Journal of Printing, Packaging and Allied Sciences 1 (2013) 26-29, ISSN 2320-4389. 23/02/2013

15. Ishpal, S. Kumar, N. Dwivedi and C.M.S. Rauthan, Investigation of radio frequency plasma for the growth of diamond like carbon films (Physics of Plasma 19 (2012) 033515-1-14), ISSN: 1070-664X, 29/03/2012, Impact factor -2.14

• 1. A. Kaur, Ishpal and S. K. Dhawan, Tuning of EMI shielding properties of polypyrrole nanoparticles with surfactant concentration (Synthetic Metals 162 (2012) 1471–1477), ISSN: 0379-6779.11/11/2012, Impact factor -2.299

  2. O.S. Panwar, Ishpal, R.K. Tripathi,  Effect of substrate bias in hydrogenated amorphous carbon films having embedded nanocrystallites deposited by cathodic jet carbon arc technique (Diamond and Related Materials 25(2012) 67-72), ISSN: 0925-9635. 16/02/2012, Impact factor -1.125.

16. Ishpal, O.S. Panwar, M. Kumar and S. Kumar, Effect of ambient gaseous environment on the properties of amorphous carbon thin films (Materials Chemistry and Physics 125 (2011) 558–67), ISSN: 0254-0584. 15/02/2011, Impact factor -2.101.

17. Ishpal, O.S. Panwar, A.K. Srivastava, S. Kumar, R.K. Tripathi, M. Kumar, S. Singh, Effect of substrate bias in amorphous carbon films having embedded nanocrystallites(Surface & Coatings Technology 206 (2011) 155–64), ISSN: 0257-8972. Dated 08/07/2011, impact factor:-2.139

• 1. O.S. Panwar, S. Kumar, Ishpal, A.K. Srivastava, A. Chouksey, R.K. Tripathi and A. Basu, Effect of substrate bias in nitrogen incorporated amorphous carbon films with embedded nanoparticles deposited by filtered cathodic jet carbon arc technique (Materials Chemistry and Physics 132 (2011) 659-666), ISSN: 0254-0584. 30/11/2011, Impact factor -2.101.

  2. N. Dwivedi, S. Kumar, Ishpal, S. Dayal, Govind, C.M.S. Rauthan and  O.S. Panwar, Studies of nanostructured copper/hydrogenated amorphous carbon multilayer films (Journal of Alloys and Compounds 509 (2011) 1285–93), ISSN: 0925-8388. 28/01/2011, Impact factor -3.014

18. Ishpal, O.S. Panwar, M. Kumar and S. Kumar, X-ray photoelectron spectroscopic study of nitrogen incorporated amorphous carbon films embedded with nanoparticles (Applied Surface Science 256 (2010) 7371–76), ISSN: 0169-4332. 27/03/2010, Impact factor -3.15

• 1. O.S. Panwar, M. A. Khan, B.S. Satyanarayana, S. Kumar, Ishpal, Properties of boron and phosphorous incorporated tetrahedral amorphous carbon films grown using filtered cathodic vacuum arc process (Applied Surface Science 256 (2010) 4383–90), ISSN: 0169-4332. 18/02/2010, Impact factor -3.15

  2. O.S. Panwar, M. A. Khan, S. Kumar, A. Basu, B.R. Mehta, S. Kumar and Ishpal, Effect of high substrate bias and hydrogen and nitrogen incorporation on spectroscopic ellipsometric and atomic force microscopic studies of tetrahedral amorphous carbon films (Surface & Coatings Technology 205 (2010) 2126–33), ISSN: 0257-8972. 28/08/2010, Impact factor:- 2.139

  3. O.S. Panwar, M. A. Khan, B.S. Satyanarayana, R. Bhattacharyya, B.R. Mehta, S. Kumar and Ishpal, Effect of high substrate bias and hydrogen and nitrogen incorporation on density of states and field emission threshold in tetrahedral amorphous carbon films (J. Vacuum Sci. Technology B-28 (2010) 411-22), ISSN: 2166-2746. 31/03/2010. Impact factor:-1.398

  4. O. S. Panwar, Ishpal, R.K. Tripathi, A.K. Srivastva and S. Kumar, Hydrogenated amorphous carbon films having embedded nanoparticles deposited by cathodic jet carbon arc technique, Proc. SPIE 8549, 16th International Workshop on Physics of Semiconductor Devices, (2012) 85491M-85491M-6; doi:10.1117/12.924629, ISSN · 0277-786X.  15/10/ 2012

19. R. K. Tripathi, O. S. Panwar, Ishpal, Sreekumar Chockalingam, Growth and Characterization of Nitrogen Incorporated Amorphous Carbon Films Having Embedded Nanocrystallites, Physics of Semiconductor Devices (2014) 685-688, DOI: 10.1007/978-3-319-03002-9_176. Book Chapter: Series ISSN 1863-5520, Online ISBN: 978-3-319-03002-9. Dated 2014, Springer International Publishing Switzerland.

20.  List of papers presented in national/international conferences

21. Ishpal Rawal and Amarjeet Kaur, Growth of polypyrrole nanoparticles for gas sensing applications, National Conference on Synthesis, Characterization and Applications of Advance Nanomaterials (NCSCAAN 2014), at Hindustan College Science and Technology, Mathura, U.P during 17th – 19th Jan. 2014. 

22. Ishpal and Amarjeet Kaur, Understanding of ammonia gas sensing mechanism in polypyrrole nanofibers, poster presentation in “The 2nd International conference on advanced materials, energy and environments (ICMEE’ 13) at Kanto Gakuin University, Yokohama, Japan during 8-9 Aug., 2013. 

23. Amarjeet Kaur and Ishpal, Growth of polypyrrole nanospheres for EMI shielding applications, poster presentation in “The 2nd International conference on advanced advanced materials, energy and environments (ICMEE’ 13) at Kanto Gakuin University, Yokohama, Japan during 8-9 Aug., 2013. 

24.  Ishpal and Amarjeet Kaur, Spectroscopic and electrical ammonia gas sensing mechanism in oxidant mediated polypyrrole nanoparticles nanofibers Poster presented in XIth International Conference On Nanostructured materials (NANO2012) at Rodos, Greece during 26-31 Aug., 2012. 

25.  Ishpal and Amarjeet Kaur, Surfactant mediated Synthesis of polypyrrole nanoparticles for gas sensing application, poster presentation in international conference of nanoscience and nanotechnology (NanoSciTech-2012) at Panjab University, Chandigarh during Feb. 16-18, 2012.

26.  Ishpal and Amarjeet Kaur,  Effect of acidic doping on the gas sensing properties of Polypyrrole nanoparticles Oral presentation in International Conference on Nanomaterials and Nanotechnology (ICNANO-11) at University of Delhi, Delhi during Dec. 19-21, 2011.

27.   Ishpal and Amarjeet Kaur, Experimental investigation of polypyrrole nanostructures for sensors for monitoring environmentally hazards gases, Oral presentation in International Conference on Frontiers of Polymers and Advanced Materials (Macro-2010) at IIT, Delhi during Dec. 15-17, 2010.

28.  Ishpal and Amarjeet Kaur, Surfactant directed synthesis of polypyrrole nanorods via reverse microemulsion method, Poster presented in Indraprastha International Conclave on Nano Science & Technology (NanoConclave-10) at G. G. S. Inderparastha University, Delhi during Nov 16-17, 2010.

29. Sushil Kumar, Ishpal and Neeraj Dwivedi, Correlation of plasma parameters with diamond like carbon films properties, Oral presentation in National conference on Recent Advances in Surface Engineering (RASE-09) at National Aerospace Laboratory, Bangalore during Feb. 26-27, 2009.

    Co-author of Paper presented in International conferences/workshops

• 1.    Ishpal Rawal, R. K. Tripathi, O.S. Panwar, Synthesis of Polypyrrole/SnO2 Nanoneedles for White Light Detectors, National   Seminar on Recent Trends in Physics and Chemistry (NSRTPC-15),on 25 March, 2015 at S.A Jain(PG) College, Ambala City, Haryana

  2. .   Ishpal Rawal, R. K. Tripathi, O.S. Panwar, Growth of Polypyrrole/ZnO Nanoribbons for Photo Dependent Resistors, National Seminar on Recent Developments & Future Trends in Physical Sciences (RDFTPS-2015) during 28 Feb-1 March (2015), Department of Physics, Marwar Business School, Gorakhpur University, Gorakhpur, UP.

  3. .    R. K. Tripathi, O.S. Panwar, Ishpal Rawal, Amorphous carbon thin films for photo detection application, National Seminar on Recent Trends in Physics and Chemistry (NSRTPC-15), on 25 March, 2015 at S.A Jain(PG) College, Ambala City, Haryana. 

1.     R. K. Tripathi, O. S. Panwar, Ishpal Rawal, A. K. Srivastava, Improved nanomechanical and field emission properties of nanocrystalline carbon films deposited by cathodic jet carbon arc technique, 26th Annual General Meeting of Materials Research Society of India, During 9-11 Feb, 2015, University of Rajasthan, Jaipur.    

    Workshops/learning program attended

1. Ishpal, International workshop on “Advanced Materials Challenges for Alternative Energy Solutions (AMAES 2013)” at hotel Le Meridien, New Delhi during Sep. 16-18, 2013.

   1. Indo-German Workshop on Advanced Materials for Future Energy Requirements (WAMFER2012) University of Delhi, Delhi during 29-30 Nov., 2012

   2. Experiments and research Applications with National Instruments LABVIEW, Bhaskaracharya College of Applied Physics, University of Delhi, Delhi during 2-3 Feb. 2012.