Dr. Akash Roy

Dr. Akash Roy

Akash.roy@hetc.ac.in

Assistant Professor

Basic Science & Humanities

Teaching Experience :

6.5 years

Research Experience :

9 years

Research Publications:

International Journal: 11, National Journal: 1,  International conferences: 21, National Conferences: 35

International Journal Publications:

International Journal

 1. N.K. Pandey, Anupam Tripathi, Karunesh Tiwari, Akash Roy, Amit Rai, Priyanka Awasthi, Aradhana Mishra, Alok Kumar, “Morphological and Humidity Sensing Studies Of WO3 Mixed With ZnO And TiO2 Powders”, Sensors and Transducers Journal, Vol 96, Issue 9,  pp.42-46, Sept 2008.

2. N.K. Pandey, A. Tripathi, K.  Tiwari, A. Roy, “Relative Humidity Sensing Studies of WO3-ZnO   nanocomposite”, Advance Materials Research Vol 79-82 pp.365-368, 2009.

3. N. K. Pandey, Akash Roy, Alok Kumar, “Characterization of WO3-SnO2 Nanocomposites  and Application in Humidity Sensing”, Sensors & Transducers Journal, Vol. 125, Issue 2, pp. 89-99, February 2011.

4. N.K. Pandey, Karunesh  Tiwari, Akash Roy, “Moisture Sensing Application of Cu2O Doped ZnO Nanocomposites”, IEEE Sensors Journal, Volume: 11 Issue 9 pp.2142 – 2148, September 2011.

5. Narendra Kumar Pandey, Karunesh Tiwari, Akash Roy, “Characterization and Humidity Sensing Application of ZnO-TiO2 Nanocomposite”, Advanced Materials Research Vol. 304 (2011) pp 48-52.

6. N K Pandey, Karunesh Tiwari, Akash Roy, Synthesis and characterization of WO3 nanomaterials, J Biomed Nanotechnol. 2011 Feb, 7 (1), 156-7,  21485849. 

7. N.K. Pandey, Karunesh  Tiwari, Akash Roy, Ag Doped WO3 Nanomaterials as Relative Humidity Sensor, IEEE Sensors Journal, Volume: 11 Issue 11 pp.2911 – 2918, September 2011.

8. “Ag Loaded WO3 Ceramic Nanomaterials; Characterization and moisture Sensing Studies”, Narendra Kumar Pandey, Karunesh Tiwari, Akash Roy, and Aradhana Mishra, Anil Govindan, Int. J. Appl. Ceram. Technol., 1–10 (2012).

9.  “Humidity Sensor Based on Synthesized WO3–SnO2 Nanocomposites”, Akash Roy, N. K. Pandey, Vandana Shakya, Alok Kumar, American Scientific Publishers, Energy Environ. Focus Vol. 2, No. 2, pp. 126-132, June 2013.

10. “Application of Undoped and Al2O3-Doped ZnO Nanomaterials as Solid-State Humidity Sensor and Its Characterization Studies”, Misra S.K., Pandey, N.K.,Shakya, V., Roy, A., IEEE Sensors Journal, Vol. 15, Issue 6, Pages 3582 – 3589, 2015.

11. “Characterization of Synthesised and Unsynthesised WO3-SnO2 Nanocomposites”, Akash Roy, N.K. Pandey , Vandna Shakya , Suneet Kumar Misra , Sanchita Singh , Anoop Kumar and Alok Kumar, J. Sci. and Tech. Res., Vol.3, No.2, Dec. 2013 (4-7) ISSN No. 2278-3350.

National Journal

1. “ZnO-TiO2 Nanocomposite; Characterization and moisture Sensing Studies”, N.K. Pandey, Karunesh Tiwari, Akash Roy, Bull. Mater. Sci., Vol. 35, No. 3, June 2012, pp. 347–352.

Citations: 61

Membership: Member of Applied Physics Society (APS) of “IACSIT”, Singapore.

Collaboration:  Dr. Alok Kumar, Director, Mineral Physics Division, Geological Survey of India, NR, Lucknow, U.P., India

Reviewer of several International Journals and reviewed several research papers of international Journals.

Conference Publications:

International Conferences 

1.  "Characterization of Nanocomposites of WO3-SnO2 and its Application as a Moisture Sensor" Akash Roy, N.K. Pandey, Vandna Shakya, Suneet Misra, Sanchita Singh, Anoop Kumar, Alok Kumar, The First International Conference on Emerging Materials: Characterization & Application, organized by CGCRI, Kolkata, 4-6 Dec, 2014, page-87.

2. “Characteristics of SnO2 doped WO3 nanomaterials as a Solid-State Humidity Sensor”, N.K. Pandey, Vandna Shakya, Suneet Kumar Misra, Akash Roy, International Conference on Nanoscience & Nanotechnology (ICNN-2013), 18-20 November, 2013, Organized by Department of Applied Physics, School for Physical Sciences, BBAU, Lucknow , pp-211.

3. “Humidity Sensor Based on Synthesized Pure WO3 and WO3-SnO2 Nanocomposite”, N. K.  Pandey,  Akash Roy, K. Tiwari, A. Mishra, A. Rai, S. Jayaswal, Rashmi, Madhvendra, A. Govindan, Paper No.67, p. 185-186, Ist International Symposium on Physics and Technology of Sensors (ISPTS-1), 8-10 March, 2012, Pune, India.

4. “NO2 sensing studies of WO3 and Ag doped WO3 prepared through sol-gel route”, N. K. Pandey,  Akash Roy, K. Tiwari, A. Mishra, A. Rai, S. Jayaswal, Rashmi, Madhvendra, A. Govindan, Paper No.189, p. 305-307, Ist International Symposium on Physics and Technology of Sensors (ISPTS-1), 8-10 March, 2012, Pune, India.

 5. “Moisture Sensing  Studies of WO3-SnO2 Nanocomposites”, N.K. Pandey, A. Roy, A. Tripathi,  K. Tiwari, A. Rai, P. Awasthi, A. Mishra, Alok Kumar, International Conference on Nanotechnology and Biosensors, 20-21, Raghu Engineering College, Visakhapatnem, A.P., p.41, January, 2010.

6. “Humidity Sensor based on Pure ZnO Nanomaterials”, N.K. Pandey, K. Tiwari, A. Rai, A. Roy, A. Mishra,  P. Awasthi, International Conference on Nanotechnology and Biosensors, 20-21, Raghu Engineering College, Visakhapatnem, A.P., p.161, January, 2010.

7. “Morphological and Humidity Sensing Studies of WO3 mixed with Silver Powder”, N.K. Pandey, A. Mishra, K. Tiwari, A. Rai, A. Roy, P. Awasthi, International Conference on Nanotechnology and Biosensors, 20-21, Raghu Engineering College, Visakhapatnem, A.P., p.167, January, 2010.

 8. “Study of SnO2 doped TiO2 as Humidity sensor”, N.K. Pandey, Rai Amit, Tiwari Karunesh, Roy Akash, Mishra Aradhana, Awasthi Priyanka, Proc. International Conference on Nanoscience and Nanotechnology (ICONN 2010) SRM University, Chennai, India, 2010, pp.147-148, 24-26 February 2010.

9. “Humidity Sensor Based on WO3-SnO2 Nanocomposite”, N.K. Pandey, Roy Akash, Tiwari Karunesh, Rai Amit,  Awasthi Priyanka, Mishra Aradhana, Proc. International Conference on Nanoscience and Nanotechnology (ICONN 2010) SRM University, Chennai, India, 2010, pp.228-229, 24-26 February.

10. “Application of SnO2 Doped WO3 Nanocomposites for Humidity Sensing”, N.K. Pandey, A. Roy, 4th International Conference on Sensor Technology ICST, Lecce, Italy, 03-05 June, 2010.

11. “Comparative Study of Moisture   Sensing Properties of WO3-SnO2 Nanocomposites”, N.K. Pandey, Akash Roy, Karunesh Tiwari, Alok Kumar, S.S.A. Rasool,  International Conference on Nanoscience, Nanotechnology and Advanced Materials (NANOS 2010), Gitam University, Visakhapatnam, India, 17-19, pp. 181,. Dec. 2010

12. “Relative Humidity Sensing Properties of Cu2O mixed ZnO Nanocomposite”, Pandey N.K., Karunesh Tiwari,   Anupam Tripathi, Akash Roy, Amit Rai, Prianka Awasthi,  Intenational Conf. on Transport and Optical Properties of  Nanomaterials, , Allahabad University, India, PO-TU 59, pp.11, January 5-8, 2009.

13. “Study of TiO2 doped SnO2 for gas Sensor Application, International Conference on Active/Smart Materials”, N. K. Pandey, Prianaka Awasthi, Karunesh Tiwari, Anupam Tripathi, Akash Roy, Amit Rai and Aradhana Mishra, ICASM 2009, Thiagarajar college of engineering, Madurai, India, January 7-9, 2009.

14. “Humidity Sensing Apllication of Cu2O mixed ZnO Nanocomposite”, Pandey N.K., Karunesh Tiwari, Anupam  Tripathi, Akash Roy, Amit Rai, Prianka Awasthi, Conf. on Mesogenic and Ferroic Materials (CMFM09), Banaras Hindu University, Varanasi-221005, CPP-25, pp.98, 9-11 January, 2009.

15. “Relative Humidity Sensing Properties of Cu2O doped ZnO Nanocomposite”, N.K. Pandey, K. Tiwari, A. Tripathi,  A. Roy, A Rai, P Awasthi, 1147 AIP  Proc. ;  ISBN 978-0-7354-0684-1, Issue 1, pp.463-466, July 2009.

16. “Relative Humidity Sensing Studies of WO3-ZnO Nanocomposite, N.K Pandey”, A. Tripathi, K.  Tiwari, A. Roy, 2nd International Conference on Multi-functional Materials, MF-373, 9-12, Qingdao, China, October, 2009.

17. “Cu2O Doped ZnO as Moisture Sensor”, N.K. Pandey ,  K. Tiwari, A. Roy,  (paper number 5387), The 8th Annual IEEE Conference on Sensors, IEEE SENSORS 2009 Conference, Christ Church, New Zealand, 25-28 October, 2009.

18. “Humidity Sensing Studies of SnO2-WO3 Nanocomposites”, N.K. Pandey, A. Roy, A. Tripathi,  K. Tiwari, A. Rai, P. Awasthi, A. Mishra, International Conference on Advanced Nanomaterials and Nanotechnology, 9-11, Centre for nanotechnology, Indian Institute of Technology, Guwahati, E-126, p.351, 8- 10, December, 2009.

 19. “Moisture Sensor based on TiO2 doped SnO2”, N.K. Pandey, Awasthi Priyanka, Tiwari Karunesh,  Roy Akash, Rai Amit,  Mishra Aradhana, International Conference on Electroceramics (ICE 2010), University of Delhi, India, LC-194, pp.303, 13-17, December, 2009.

20. Analysis of activation Energy and Humidity Sensing Studies of Al2O3-ZnO nanomaterials, Suneet Kumar Mista, Abhishek Panwar, Anoop Kumar Gautam, Vijaya Bharti Rajput, Sanchita Singh, Akash Roy, Vandna Shukla, Narendra Kumar Pandey,2nd International Symposium on Physics and Technology of Sensors, 8-10 March, 2015, C-MET Pune, India, page.180-81.

21. Relative Humidity Sensing Properties of V2O5 Doped ZnO Nanocomposite, Abhiskek Panwar,  Anoop Kumar Gautam, Vijaya Bharti Rajput, Sanchita Singh, Suneet Kumar Mista, Vandna Shukla, Akash Roy, Vikas Kumar Verma, Narendra Kumar Pandey, 2nd International Symposium on Physics and Technology of Sensors, 8-10 March, 2015,C-MET Pune, India, page.182-3.

National Conferences

1. Humidity Sensing Investigation of Nanostructured pure and Silver doped Titanium oxide, Anoop Kumar Gautam, Sanchita singh, Abhishek Pawar, Vikas Kumar Verma, Vijaya Bharti Rajput, Suneet Kumar Misra, Vandana Shakya, Akash Roy, N.K. Pandey, 5th National Conference on Nanotechnology and Materials Science (NATCON NAMTECH), Department of Physics, University of Lucknow, p.p. 76-79, 21-23 Dec. 2013.

2. Nanocomposites  SnO2 Doped WO3 as Resistive Humidity Sensor, Vandana Shakya, N.K. Pandey, Suneet Kumar Misra, Akash Roy, Abhishek Pawar, Anoop Kumar Gautam, Sanchita singh, Vijaya Bharti Rajput, Vikas Kumar Verma, 5th National Conference on Nanotechnology and Materials Science (NATCON NAMTECH), Department of Physics, University of Lucknow, p.p.255-260, 21-23 Dec. 2013.

3. Characterization of Synthesised and Unsynthesised WO3-SnO2 Nanocomposites, Akash Roy, N.K. Pandey , Vandna Shakya , Suneet Kumar Misra , Sanchita Singh , Anoop Kumar and Alok Kumar, 5th National Conference on Nanotechnology and Materials Science (NATCON NAMTECH), Department of Physics, University of Lucknow, p.p. 51-55, 21-23 Dec. 2013.

4. Morphological and Moisture Sensing Studies of Synthesized SnO2 Loaded WO3 Nanomaterials; N.K. Pandey, Vandna Shakya and Akash Roy, 7th National Conference on Thermophysical Properties (NCTP-2013), Organized by Deptt. of Physics, Christ Church College, C.S.J.M University, Kanpur & Thermo Physical Society of India (TPSI),17-19 Oct 2013, pp-49.

5. Humidity Sensor Based on Synthesized WO3-SnO2 Nanocomposites, Akash Roy, N.K. Pandey, Alok Kumar, Proc. 17th National Seminar on Physics and Technology of Sensors, CIRBSc, Jamia Millia Islamia, New Delhi, pp. 137, 11-13 March 2013.

6. Humidity Sensor Based on Synthesised Nanomaterial, Akash Roy, Pandey N.K., Rai Amit, Tiwari Karunesh and Mishra Aradhana, 4th National Conference On Nanomaterials And Nanotechnology –2011, Department of Physics, University of Lucknow, p.p. 126-129, 21-23 Dec 2011.

7. Study of SnO2 Doped TiO2 as a Humidity Sensor, Rai Amit, Pandey N.K., Tiwari karunesh, Roy Akash, Mishra Aradhana, 4th National Conference On Nanomaterials And Nanotechnology –2011, Department of Physics, University of Lucknow, p.p. 104-109, 21-23 Dec 2011.

8. Humidity Sensing Application of WO3-Cu2O nanocomposite, aradhana Mishra, N. K. Pandey, Karunesh  Tiwari, Akash Roy, Amit Rai, S. Jaiswal and Rashmi, 4th National Conference On Nanomaterials And Nanotechnology –2011, Department of Physics, University of Lucknow, p.p. 65-73, 21-23 Dec 2011.

9. Humidity Sensing Behavior of Nanocrystalline WO3 Pellets, N.K. Pandey, Akash Roy, Karunesh Tiwari, Alok Kumar, S.S.A. Rasool, Proc. 16th National Seminar on   Physics and Technology of Sensors, University of Lucknow , Lucknow, p.p. 142-146,  ISSN: 0974-8121, Feb 11-13, 2011.

10. Air Moisture Sensing Properties of Pure WO3 and Cu2+-doped WO3 Nanomaterial, N.K. Pandey, Karunesh Tiwari, Akash Roy, Amit Srivastava, Alok Kumar, Vachaspati Srivastava, Proc. 16th National Seminar on   Physics and Technology of Sensors, University of Lucknow , Lucknow, p.p. 83-86,  ISSN: 0974-8121, Feb 11-13, 2011.

11. "Ag Loaded WO3 Nanomaterials for Moisture Sensing Appliocation", N K Pandey, Karunesh Tiwari, Akash Roy, Proc. 11th National Conference on Sensors and Actuators: Science to Technology, CGCRI Kolkata, pp.36, 11-12 March, 2011.

12. Humidity sensing properties of Cu2+- doped WO3 nanomaterial, N.K. Pandey, K. Tiwari, A. Roy, A. Shukla, A. Kumar, S.A.S. Rasool, 3rd National Conference on Nanomaterials and Nanotechnology, Amity University, Lucknow campus, Lucknow, p-40, 21-23 December, 2010.

13. Moisture Sensing Properties of Pure WO3 nanomaterial and WO3-SnO2 Nanomcomposite, N.K. Pandey, A. Roy, K. Tiwari, A. Kumar, S.S.A. Rasool, 3rd National Conference on Nanomaterials and Nanotechnology, Amity University, Lucknow campus, Lucknow, p-42, 21-23 December, 2010.

14. Zinc (II) Oxide – Titanium (II) Oxide Nanocomposites Humidity Sensor, Pandey N.K., Tiwari Karunesh, Rai Amit, Roy Akash, Awasthi Prianka, Mishra Aradahana, Proc. 15th National Seminar on Physics and Technology of Sensors, Pune, C-21-1,  March 4-6, 2010.

15. Study of SnO2 doped TiO2 as a Humidity Sensor, Pandey N.K., Rai Amit, Tiwari Karunesh, Roy Akash, Mishra Aradahana, Awasthi Prianka and Srivastava Vachaspati, Proc. 15th National Seminar on Physics and Technology of Sensors, Pune, C-33-1, March 4-6, 2010.

16. Humidity sensing studies of Silver doped Tungsten Oxide, Pandey N.K., Mishra Aradahana, Tiwari Karunesh, Rai Amit, Roy Akash, Awasthi Prianka, Srivastava Vachaspati, Proc. 15th National Seminar on Physics and Technology of Sensors, , Pune,C-36-1,  March 4-6, 2010.

17. Comparative Study of Resistive Type Humidity Sensors Based on WO3 and SnO2 Doped WO3, Pandey N.K., Roy A., Tiwari K., Rai A., Awasthi P., Mishra A., Kumar A., Chakraborty S. and S.S.A. Rasool, Proc. 15th National Seminar on Physics and Technology of Sensors, Pune, C-35-1,  March 4-6, 2010.

18. “Humidity Sensing Properties of Cu2O Doped SnO2”, N.K. Pandey, P. Awasthi, K. Tiwari, A. Roy, A. Rai, A. Mishra, 2nd National Conference on Nanomaterials and Nanotechnology, Department of  Physics, University of Lucknow,  p.183-185, 21-23 December, 2009.

19.  “Study of Humidity Sensing Properties of WO3-SnO2 Nanocomposite”, N.K. Pandey, A. Roy, A. Tripathi,  K. Tiwari, A. Rai, P. Awasthi, A. Mishra, Alok Kumar, Sujata Chakraborti, 2nd National Conference on Nanomaterials and Nanotechnology, Department of  Physics, University of Lucknow, p.119-121, 21-23 December, 2009.

20.  “Moisture Sensor Based on Ag Doped WO3”, N.K. Pandey, A. Mishra, K. Tiwari, A. Rai, A. Roy, P. Awasthi, 2nd National Conference on Nanomaterials and Nanotechnology, Department of  Physics, University of Lucknow, p.111-113, 21-23 December, 2009.

21.  “Studies on SnO2 Doped TiO2 as Humidity Sensor”, N.K. Pandey, A. Rai, K. Tiwari, A. Roy, A. Mishra, P. Awasthi, 2nd National Conference on Nanomaterials and Nanotechnology, Department of  Physics, University of Lucknow, p.63-65, 21-23 December, 2009.

22.  “WO3 Doped ZnO as Moisture Sensor”, N.K. Pandey, K. Tiwari, A. Tripathi,  A. Roy, A. Rai, P. Awasthi, A. Mishra, 2nd National Conference on Nanomaterials and Nanotechnology, Department of  Physics, University of Lucknow, p.59-62, 21-23 December, 2009.

23. “Mathematical Formulation for Temperature Mapping”, Pandey N.K., Tripathi Anupam, Tiwari Karunesh, Roy Akash,  Fiber Bragg Grating Sensors, Proc. of XXXIII OSI Symposium on Optics and optoelectronics, Tejpur University, Assam, 2007.

24. “Humidity Sensing Application of Al2O3-WO3 Composite Pellet”, N.K. Pandey, Akash Roy, Amit Rai, Karunesh Tiwari, Anupam Tripathi, Proc. UGC Sponsored National Seminar on Applications of  Nanoscience and Nanotechnology, Women’s College, Patna, p.57, 12 Sept, 2008.

25. “Study of ZnO Doped Al2O3 Material as a Humidity Sensor”, N.K. Pandey, Amit Rai, Akash Roy, Karunesh Tiwari, Anupam Tripathi, Proc. UGC Sponsored National Seminar on Applications of  Nanoscience and Nanotechnology, Women’s College, Patna, p.47, 12 Sept, 2008.

26. “Humidity Sensing Application of Cu2O mixed ZnO Composite”, N.K. Pandey, Karunesh Tiwari, Anupam Tripathi, Amit Rai, Akash Roy,  Proc. UGC Sponsored National Seminar on Applications of  Nanoscience and Nanotechnology, Women’s College, Patna, p.22,  12 Sept, 2008.

27. “Relative Humidity Sensing Studies of ZnO: WO3 Composite Powder Pellet”, N.K. Pandey, Karunesh Tiwari, Anupam Tripathi, Akash Roy, Amit Rai, Prianka Awasthi, National Conference on Relevance and Dimensions of Nanoscience and Nanotechnology, B.S. College, Patna, 19-21 April, 2008.

28. “Humidity Sensing Studies of WO3-ZnO Composite Powder”,  N.K. Pandey, Anupam Tripathi, Karunesh Tiwari, Akash Roy, Amit Rai, Prianka Awasthi, National Conference on Relevance and Dimensions of Nanoscience and Nanotechnology, B.S. College, Patna, 19-21 April, 2008.

29. “Study of TiO2 Doped Zinc Oxide (ZnO) Material As a Humidity Sensor”, N.K. Pandey, Karunesh Tiwari, Anupam Tripathi, Akash Roy, Priyanka Awasthi, National Conf. on Nanomaterials and Nanotechnology, Univ. of Lucknow, p.113, 2007.

30. “ZnO Doped WO3 as Humidity Sensors”, N.K. Pandey, Anupam Tripathi,  Karunesh Tiwari, Akash Roy, Priyanka Awasthi, National Conf. on Nanomaterials and Nanotechnology, Univ. of Lucknow, p.107, 2007.

31. “Structural And Electrical Properties Of CuO Doped Zinc Oxide (ZnO) Humidity Sensor”, N.K. Pandey, Karunesh Tiwari, Mahendra Kumar, Anupam Tripathi, Akash Roy, Priyanka Awasthi, National Conf. on Nanomaterials and Nanotechnology, Univ. of Lucknow p.107, 2007.

32. “Humidity Sensing Properties Of Zinc Oxide (ZnO) Nanomaterial Prepared Through Hydroxide Route By Drop Wise Addition Method”, N.K. Pandey, Karunesh Tiwari, Anupam Tripathi,  Akash Roy, Priyanka Awasthi, National Conf. on Nanomaterials and Nanotechnology, Univ. of Lucknow,  p.115, 2007 .

33. “Zinc Stannate Nanomaterial as Moisture Sensor”, N.K. Pandey, Karunesh Tiwari, Akash Roy, Amit Rai, Priyanka Awasthi, Proc. 14th National Seminar on Physics and Technology of Sensors, Gwalior, p.9,  March, 1-3, 2009.

34. “Proc., Relative Humidity Sensing Studies of WO3:ZnO Composite”, N.K. Pandey, Karunesh Tiwari, Anupam  Tripathi, Akash Roy, Amit Rai, Priyanka Awasthi, Aradhana Shukla, 13th National Seminar on Physics and Technology of Sensors, Pune, P-8-1,  March 3-5,  2008.

35. “Humidity Sensing Studies Of WO3 Mixed With ZnO and TiO2 Powders”, N.K. Pandey, Anupam Tripathi, Karunesh Tiwari, Akash Roy, Amit Rai, Priyanka Awasthi, Aradhana Mishra, Proc. 13th National Seminar on Physics and Technology of Sensors, Pune, C-30-1,  March 3-5,  2008.