Article

Mohammad, Tauheed and Kumar, Vinod and Kumar, Mahesh and Upadhyaya, Hari M. and Dutta, Viresh (2020) Forster resonance energy transfer in organic photovoltaics devices fabricated by electric field assisted spray technique. Solar Energy, 209. pp. 379-386. ISSN 0038-092X

Sharma, Prince and Sharma, M. M. and Kumar, Mahesh and Awana, V. P. S. (2020) Metal doping in topological insulators- a key for tunable generation of terahertz. Solid State Communications, 319. pp. 114005-114009. ISSN 0038-1098

Kumar, Virendra and Nagal, Vandana and Kumar, Rahul and Srivastava, Shubhda and Gupta, Bipin Kumar and Kumar, Mahesh and Hafiz, Aurangzeb Khurram and Singh, Kedar (2020) Influence of the rate of radiation energy on the charge-carrier kinetics application of all-inorganic CsPbBr3 perovskite nanocrystal. RSC Advances , 10 (57). pp. 34651-34657. ISSN 2046-2069

Kumari, Manju and Vijayan, N. and Nayak, Debabrata and Kumar, Mahesh and Gupta, Govind and Pant, R. P. (2020) Assessment of optical, mechanical and nonlinear properties of potassium acid phthalate single crystal: a potential candidate for optoelectronic applications. Materials Research Express, 7 (1). 015705-015717. ISSN 2053-1591

Gambhir, Kaweri and Sharma, Parag and Sharma, Chhavi and Kumar, Mahesh and Mehrotra, Ranjana (2019) Morphology induced plasmonic-excitonic interaction revealed by pump-probe spectroscopy. Optics and Laser Technology , 119. pp. 105674-105681. ISSN 0030-3992

Naqvi, Samya and Vasistha, Nikita and Kumar, Mahesh and Kumar, Rachana (2019) Electron transport and ultrafast spectroscopic studies of new methanofullerenes bearing a heteroatom in the exohedral chain. New Journal of Chemistry, 43 (39). pp. 15626-15635. ISSN 1144-0546

Goel, Neeraj and Kumar, Rahul and Jain, Shubhendra Kumar and Rajamani, Saravanan and Roul, Basanta and Gupta, Govind and Kumar, Mahesh and Krupanidhi, S. B. (2019) A high-performance hydrogen sensor based on a reverse-biased MoS2/GaN heterojunction. Nanotechnology, 30 (31). pp. 314001-314011. ISSN 0957-4484

Kumar, Rahul and Kulriya, Pawan K. and Mishra, Monu and Singh, Fouran and Gupta, Govind and Kumar, Mahesh (2018) Highly selective and reversible NO2 gas sensor using vertically aligned MoS2 flake networks. Nanotechnology, 29 (46). pp. 464001-464010. ISSN 0957-4484

Sharma, Ramakant and Gupta, Vinay and Lee, Hyunwoo and Borse, Kunal and Datt, Ram and Sharma, Chhavi and Kumar, Mahesh and Yoo, Seunghyup and Gupta, Dipti (2018) Charge carrier dynamics in PffBT4T-2OD: PCBM organic solar cells. Organic Electronics, 62. pp. 441-447. ISSN 1566-1199

Kalimuthu, Vijayarangamuthu and Kumar, Praveen and Kumar, Mahesh and Rath, Shyama (2018) Growth mechanism and optical properties of Ge nanocrystals embedded in a GeO (x) matrix. Applied Physics A: Materials Science and Processing , 124 (10). pp. 712-719. ISSN 0947-8396

Goel, Neeraj and Kumar, Rahul and Mishra, Monu and Gupta, Govind and Kumar, Mahesh (2018) Determination of band alignment at two-dimensional MoS2/Si van der Waals heterojunction. Journal of Applied Physics , 123 (22). pp. 225301-225308. ISSN 0021-8979

Singh, Akanksha and Sharma, Chavvi and Kumar, Mahesh and Kumari, Reena and Srivastava, Ritu and Sharma, Shailesh Narain (2018) Enhanced luminescence efficiency of wet chemical route synthesized InP-based quantum dots by a novel method: Probing the humidity sensing properties. Journal of Luminescence , 198. pp. 108-116. ISSN 0022-2313

Kumar, Rahul and Goel, Neeraj and Mishra, Monu and Gupta, Govind and Fanetti, Mattia and Valant, Matjaz and Kumar, Mahesh (2018) Growth of MoS2-MoO3 Hybrid Microflowers via Controlled Vapor Transport Process for Efficient Gas Sensing at Room Temperature. Advanced Materials Interfaces , 5 (10). pp. 1800071-1800079. ISSN 2196-7350

Kumar, Praveen and Devi, Pooja and Soto Rodriguez, P. E. D. and Jain, Rishabh and Jaggi, Neena and Sinha, R. K. and Kumar, Mahesh (2018) Structural, optical and Carrier dynamics of self-assembled InGaN nanocolumns on Si(111). Superlattices and Microstructures , 117. pp. 25-30. ISSN 0749-6036

Kumar, Praveen and Devi, Pooja and Rodriguez, P. E. D. S. and Kumar, Manish and Shivling, V. D. and Noetzel, Richard and Sharma, Chhavi and Sinha, R. K. and Kumar, Mahesh (2018) Ultrafast Carrier dynamics of In(x)Ga1(-x)N nanostructures grown directly on Si (111). Optical Materials, 79. pp. 475-479. ISSN 0925-3467

Rana, Aniket and Sharma, Chhavi and Prabhu, Deepak D. and Kumar, Mahesh and Karuvath, Yoosaf and Das, Suresh and Chand, Suresh and Singh, Rajiv K. (2018) Revealing charge carrier dynamics in squaraine: [6,6]-phenyl-C 71-butyric acid methyl ester based organic solar cells. AIP Advances, 8 (4). 045302-045311. ISSN 2158-3226

Gupta, Neha and Sharma, Chhavi and Kumar, Mahesh and Kumar, Rachana (2017) Synthesis and comparative charge transfer studies in porphyrin-fullerene dyads: mode of attachment effect. New Journal of Chemistry, 41. pp. 13276-13286. ISSN 1144-0546

Sharma, Alka and Sharma, Chhavi and Bhattacharyya, Biplab and Gambhir, Kaweri and Kumar, Mahesh and Chand, Suresh and Mehrotra, Ranjana and Husale, Sudhir (2017) Plasmon induced ultrafast injection of hot electrons in Au nanoislands grown on a CdS film. Journal of Materials Chemistry C, 5. pp. 618-626. ISSN 2050-7526

Devi, Pooja and Sharma, Chhavi and Kumar, Praveen and Kumar, Mahesh and Bansod, Baban K. S. and Nayak, Manoj K. and Singla, Madan L. (2017) Selective electrochemical sensing for arsenite using rGO/Fe3O4 nanocomposites. Journal of Hazardous Materials, 322. 85-94 . ISSN 0304-3894

Devi, Pooja and Kumar, Praveen and Sharma, Chhavi and Sharma, Chhavi and Kumar, Mahesh and Nayak, Manoj (2016) Structural and ultrafast charge carrier dynamics of in-situ synthesized rGO/Fe3O4 nanocomposite. Materials Letters , 181. 99-102. ISSN 0167-577X

Kumar, Rachana and Khan, Saba and Gupta, Neha and Naqvi, Samya and Gaurav, Kumar and Sharma, Chhavi and Kumar, Mahesh and Kumar, Pramod and Chand, Suresh (2016) Fullerene grafted graphene oxide with effective charge transfer interactions. Carbon, 107. 765-773 . ISSN 0008-6223

Sharma, Ramakant and Lee, Hyunwoo and Gupta, Vinay and Kim, Hoyeon and Kumar, Mahesh and Sharma, Chhavi and Chand, Suresh and Yoo, Seunghyup and Gupta, Dipti (2016) Photo-physics of PTB7, PCBM and ICBA based ternary solar cells. Organic Electronics, 34. pp. 111-117. ISSN 1566-1199

Kumar, Mahesh and Kumar, Praveen and Shivaprasad, S. M. (2016) Formation of low-dimensional GaN on trenched Si(5 5 12), probed by STM and XPS. Materials Research Express, 3 (3). ISSN 2053-1591

Kumara, Praveen and Devi, Pooja and Kumar, Mahesh and Shivaprasad, S. M. (2016) Optimization of energy and fluence of N-2(+) ions in the conversion of Al2O3 surface into AIN at room temperature. Applied Surface Science, 361. pp. 265-268. ISSN 0169-4332

Gupta, Vinay and Bharti, Vishal and Kumar, Mahesh and Chand, Suresh and Heeger, Alan J. (2015) Polymer-Polymer Forster Resonance Energy Transfer Significantly Boosts the Power Conversion Efficiency of Bulk-Heterojunction Solar Cells. Advanced Materials, 27 (30). 4398-4404 . ISSN 0935-9648

Rawal, Ishpal and Panwar, Omvir Singh and Tripathi, Ravi Kant and Srivastava, Avanish Kumar and Kumar, Mahesh and Chockalingam, Sreekumar (2015) Structural and nanomechanical properties of nanocrystalline carbon thin films for photodetection. Journal of Vacuum Science and Technology A, 33 (3). ISSN 0734-2101

Panwar, O. S. and Rawal, Ishpal and Tripathi, R. K. and Srivastava, A. K. and Kumar, Mahesh (2015) 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. 135-145 . ISSN 0925-8388

Dugar, Palak and Kumar, Mahesh and T. C, Shibin Krishna and Aggarwal, Neha and Gupta, Govind (2015) Carrier relaxation dynamics in defect states of epitaxial GaN/AlN/Si using ultrafast transient absorption spectroscopy. RSC Advances, 5 (102). pp. 83969-83975. ISSN 2046-2069

Krishna, T. C. Shibin and Aggarwal, Neha and Reddy, G. Anurag and Dugar, Palak and Mishra, Monu and Goswami, Lalit and Dilawar, Nita and Kumar, Mahesh and Maurya, K. K. and Gupta, Govind (2015) Probing the correlation between structure, carrier dynamics and defect states of epitaxial GaN film on (11(2)over-bar0) sapphire grown by rf-molecular beam epitaxy. RSC Advances, 5 (89). pp. 73261-73267. ISSN 2046-2069

Kumar, Praveen and Kumar, Mahesh and Nötzel, R. and Shivaprasad, S. M. (2014) Nitrogen ion induced nitridation of Si(111) surface: Energy and fluence dependence. Materials Chemistry and Physics, 145 (3). 274-277 . ISSN 0254-0584

Verma, Daisy and Sharma, Shailesh N. and Kharkwal, Aneeta and Bhagavannarayana, G. and Kumar, Mahesh and Singh, Shiv Nath and Singh, Parakram Kumar and Mehdib, Syed Sazad and Husain, Mushahid (2013) Role of nanocrystalline ZnO coating on the stability of porous silicon formed on textured (1 0 0) Si. Applied Surface Science, 285. 564-571. ISSN 0169-4332

Kumar, Praveen and Kumar, Mahesh and Shivaprasad, S. M. (2013) Residual thermal desorption studies of Ga adatoms on trenched Si(5512) surface. Applied Surface Science, 282. 348-350. ISSN 0169-4332

Kumar, Praveen and Kumar, Mahesh and Shivaprasad, S. M. (2012) Ga induced 2D superstructural phase diagram on trenched Si(5512) surface. Surface Science, 606 (13-14). pp. 1045-1049. ISSN 0039-6028

Panwar, O. S. and -, Ishpal and Tripathi, R. K and Srivastava, A. K. and Kumar, Mahesh and Kumar, Sushi (2012) Effect of substrate bias in hydrogenated amorphous carbon films having embedded nanocrystallites deposited by cathodic jet carbon arc technique. Diamond and Related Materials, 25. pp. 63-72. ISSN 0925-9635

Singh, Rajiv K. and Kumar, Amit and Agarwal, Khushboo and Kumar, Mahesh and Singh, H. K. and Srivastava, Pankaj and Singh, Ramadhar (2012) Dc electrical conduction and morphological behavior of counter anion-governed genesis of electrochemically synthesized polypyrrole films. Journal of Polymer Science Part B: Polymer Physics, 50 (5). pp. 347-360. ISSN 0887-6266

Kumar , Praveen and Kuyyalil, Jithesh and Kumar, Mahesh and Shivaprasad, S. M. (2011) A superstructural 2D-phase diagram for Ga on the Si(111)-7x7 system. Solid State Communications, 151 (23). pp. 1758-1762. ISSN 0038-1098

Sharma, Bhupendra K. and Khare, Neeraj and Kumar, Mahesh and Kumar, Praveen (2011) Study of intermediate states in shape transition of ZnO nanostructures from nanoparticles to nanorods. Chemical Physics Letters, 515 (1-3). pp. 62-67. ISSN 0009-2614

Kumar, Praveen and Kumar, Mahesh and Mehta, B. R. and Shivaprasad , S. M. (2011) Ga-induced restructuring of Si(5 5 12) − 2 × 1 reconstructed surface at room temperature. Surface Science, 605 (15-16). pp. 1426-1430. ISSN 0039-6028

Sharma, Bhupendra K. and Khare, Neeraj and Kumar, Mahesh (2010) Stress Dependent Band Gap Shift and Valence Band Studies in ZnO Nanorods. Journal of Nanoscience and Nanotechnology, 10 (12). pp. 8424-8431. ISSN 1533-4880

Jain, Vipin Kumar and Kumar, Praveen and Kumar, Mahesh and Jain, Praveen and Bhandari, Deepika and Vijay, Y. K. (2010) Study of post annealing influence on structural, chemical and electrical properties of ZTO thin films. Journal of Alloys and Compounds, 509 (8). pp. 3541-3546. ISSN 0925-8388

Kumar, Praveen and Kumar, Mahesh and Shivaprasad, S. M. (2010) (7X7) reconstruction as barrier for Schottky-barrier formation at the Ga/Si (111) interface. Applied Physics Letters, 97 (12). ISSN 1077-3118

Vats , Tanvi and Sharma, Shailesh N. and Kumar, Mahesh and Kar, M. and Jain, Kiran and Singh, V. N. and Mehta , B. R. and Narula , A. K. (2010) Comparison of photostability, optical and structural properties of Ti02/conjugated polymer hybrid composites prepared via different methods. Thin Solid Films, 519 (3). pp. 1100-1105. ISSN 0040-6090

Kuyyalil, Jithesh and -, Govind and Kumar, Mahesh and S. M. , Shivaprasad (2010) Clustering and layering of In adatoms on low and high index silicon surfaces: A comparative study. Surface Science, 604 (21-22). pp. 1972-1977. ISSN 0039-6028

Maheshwari, Nidhi and Kottantharayil, Anil and Kumar, Mahesh and Mukherji, Soumyo (2010) Long term hydrophilic coating on poly(dimethylsiloxane) substrates for microfluidic applications. Applied Surface Science, 257 (2). pp. 451-457. ISSN 0169-4332

Puri, Vibha and Dantuluri, Ajay K. and Kumar, Mahesh and Karar, N. and Bansal, Arvind K. (2010) Wettability and surface chemistry of crystalline and amorphous forms of a poorly water soluble drug. European Journal of Pharmaceutical Sciences , 40 (2). pp. 84-93. ISSN 0928-0987

Kumar, Umesh and Kumari, Kusum and Sharma, Shailesh N. and Kumar, Mahesh and Vankar, V. D. and Kakkar , Rita and Kumar, Vikram (2010) Role of surface modification of colloidal CdSe quantum dots on the properties of hybrid organic–inorganic nanocomposites. Colloid and Polymer Science, 288 (8). pp. 841-849. ISSN 1435-1536

Das, Kajari and Sharma, Shailesh N. and Kumar, Mahesh and De, S. K. (2009) Luminescence properties of the solvothermally synthesized blue light emitting Mn doped Cu2O nanoparticles. Journal of Applied Physics, 107 (2). 024316-1. ISSN 1089-7550

Kumar, Mahesh and Shivaprasad, S. M. (2009) Magnesium Induced Superstructural Changes in High Index Si (5512) Surface: Formation of Quasi One Dimensional Structures. Journal of Nanoscience and Nanotechnology, 9 (9). pp. 5637-5641. ISSN 1533-4880

Panwar, Omvir Singh and Khan, Mohd. Alim and Kumar, Mahesh and Sonnada , Math Shivaprasad and Bukinakere , Subbakrihniah Satyanarayana and Dixit, Prakash Narain and Bhattacharyya, Raghunath (2009) Characterization of Boron- and Phosphorous-Incorporated Tetrahedral Amorphous Carbon Films Deposited by the Filtered Cathodic Vacuum Arc Process. Japanese Journal of Applied Physics , 48 (6). 065501-1- 065501-8. ISSN 1347-4065

-, Govind and Jithesh, K. and Kumar, Mahesh and Shivaprasad, S. M. (2009) Formation of In-Induced Superstructural Phases on Si(111)7 × 7 Reconstructed Surface. Journal of Nanoscience and Nanotechnology, 9 (9). pp. 5417-5420. ISSN 1533-4880

Das, Kajari and Sharma, Shailesh N. and Kumar, Mahesh and De, S. K. (2009) Morphology Dependent Luminescence Properties of Co Doped TiO2 Nanostructures. Journal of Physical Chemistry C , 113 (33). pp. 14783-14792. ISSN 1932-7455

Kumar, Praveen and Kumar, Mahesh and -, Govind and Mehta , B. R. and Shivaprasad , S. M. (2009) XPS investigation of ion beam induced conversion of GaAs(0 0 1) surface into GaN overlayer. Applied Surface Science, 256 (2). pp. 517-520. ISSN 0169-4332

Dilawar, Nita and Varandan, Deepak and Pandey, V. P. and Kumar, Mahesh and Shivaprasad, S. M. and Sharma, P. K. and Bandyopadhyay, A. K. (2006) Structural transition in nanostructured Eu2O3 under high pressures. Journal of Nanoscience and Nanotechnology, 6. pp. 1-9. ISSN 1533-4880

-, Ishpal and Panwar, O. S. and Kumar, Mahesh and Kumar, Sushil (2010) X-ray photoelectron spectroscopic study of nitrogen incorporated amorphous carbon films embedded with nanoparticles. Applied Surface Science, 256 (24). pp. 7371-7376. ISSN 0169-4332

Kesaria, Manoj and Kumar, Mahesh and -, Govind and Shivaprasad , S. M. (2009) Effect of Pb adatom flux rate on adlayer coverage for Stranski–Krastanov growth mode on Si(1 1 1)7 × 7 surface. Applied Surface Science, 256 (2). pp. 576-579. ISSN 0169-4332

-, Ishpal and Panwar, O. S. and Kumar, Mahesh and Kumar, Sushil (2010) Effect of ambient gaseous environment on the properties of amorphous carbon thin films. Materials Chemistry and Physics, 125 (3). pp. 558-567. ISSN 0254-0584

Panwar, O. S. and Khan, Mohd. Alim and Kumar, Mahesh and Shivaprasad , S. M. and Satyanarayana, B. S. and Dixit, P. N. and Bhattacharyya, R. and Khan, M. Y. (2008) Effect of high substrate bias and hydrogen and nitrogen incorporation on filtered cathodic vacuum arc deposited tetrahedral amorphous carbon films. Thin Solid Films, 516 (8). pp. 2331-2340. ISSN 0040-6090

-, Ishpal and Panwar, O. S. and Srivastava, A. K. and Kumar, Sushil and Tripathi, R. K. and Kumar, Mahesh and Singh, Sandeep (2011) Effect of substrate bias in amorphous carbon films having embedded nanocrystallites. Surface & Coatings Technology, 206 (1). pp. 155-164. ISSN 0257-8972