Singh, Rajiv K. and Kumar, Jitendra and Kumar, Amit and Kumar, Vikram and Kant, Rama and Singh, Ramadhar (2010) Poly(3-hexylthiophene): Functionalized single-walled carbon nanotubes: (6,6)-phenyl-C61-butyric acid methyl ester composites for photovoltaic cell at ambient condition. Solar Energy Materials and Solar Cells , 94 (12). pp. 2386-2394. ISSN 0927-0248

Kumar, Dinesh and Srivastava, Sanjay K. and Singh , P. K. and Husain, M. and Kumar, Vikram (2010) Fabrication of silicon nanowire arrays based solar cell with improved performance. Solar Energy Materials and Solar Cells , 95 (1). pp. 215-218. ISSN 0927-0248

Srivastava, Sanjay K. and Kumar, Dinesh and Singh , P. K. and Kar, M. and Kumar, Vikram and Husain, M. (2010) Excellent antireflection properties of vertical silicon nanowire arrays. Solar Energy Materials and Solar Cells , 94 (9). pp. 1506-1511. ISSN 0927-0248

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

Jain, Anubha and Kumar, Pankaj and Jain, S. C. and Muralidharan, R. and Chand, Suresh and Kumar, Vikram (2009) J–V characteristics of GaN containing traps at several discrete energy levels. Solid-State Electronics, 54 (3). pp. 288-293. ISSN 0038-1101

Kumari, Kusum and Chanda, Suresh and Vankar, V. D. and Kumar, Vikram (2009) Enhancement in hole current density on polarization in poly(3-hexylthiophene):cadmium selenide quantum dot nanocomposite thin films. Applied Physics Letters, 94 (21). 213503-1-213503-3. ISSN 1077-3118

Kumar, Pankaj and Jain, S. C. and Kumar, Vikram and Chand, Suresh and Tandon, R. P. (2009) A model for the J-V characteristics of P3HT:PCBM solar cells. Journal of Applied Physics, 105 (10). pp. 104507-1. ISSN 1089-7550

Kumar, Hemant and Kumar, Pankaj and Bhardwaj, Ramil and Sharma, G. D. and Chanda, Suresh and Jain, S. C. and Kumar, Vikram (2009) Broad spectral sensitivity and improved efficiency in CuPc/Sub-Pc organic photovoltaic devices. Journal of Physics D: Applied Physics, 42 (1). 015103-1-015103-6. ISSN 1361-6463

Kumar, Hemant and Kumar, Pankaj and Chaudhary, Neeraj and Bhardwaj, Ramil and Chanda, Suresh and Jain, S. C. and Kumar, Vikram (2009) Effect of temperature on the performance of CuPc/C60 photovoltaic device. Journal of Physics D: Applied Physics, 42 (1). pp. 1-6. ISSN 1361-6463

Kumar, Vikram and Chawla, Santa (2009) Preface: “International Conference on Luminescence and its Applications — ICLA-2008”. In: FEB 13-16, 2008 , FEB 13-16, 2008, Natl Phys Lab, New Delhi, INDIA.

Kumar, Pankaj and Jain, S. C. and Kumar, Vikram and Chanda, Suresh and Tandon, R. P. (2008) A model for the current-voltage characteristics of organic bulk heterojunction solar cells. Journal of Physics D: Applied Physics, 42 (5). 055102-1-055102-8. ISSN 1361-6463

Kumari, Kusum and Kumar, Umesh and Sharma, Shailesh N. and Chand, Suresh and Kakkar, Rita and Vankar, V. D. and Kumar, Vikram (2008) Effect of surface passivating ligand on structural and optoelectronic properties of polymer : CdSe quantum dot composites. Journal of Physics D: Applied Physics, 41 (23). 235409 -1-235409-9. ISSN 1361-6463

-, Rashmi and Kapoor, Ashok K. and Annapoorni, S. and Kumar, Vikram (2008) Conduction mechanisms in poly(3-hexylthiophene) thin-film sandwiched structures. Semiconductor Science and Technology, 23 (3). pp. 1-8. ISSN 0268-1242

Srivastava, Sanjay Kumar and Vankar, Vasant D. and Kumar, Vikram (2008) Excellent field emission properties of short conical carbon nanotubes prepared by microwave plasma enhanced CVD process. Nanoscale Research Letters , 3 (1). pp. 25-30. ISSN 1931-7573

Kumari, Kusum and Chanda, Suresh and Kumar, Pankaj and Sharma, Shailesh N. and Vankar, V. D. and Kumar, Vikram (2008) Effect of CdSe quantum dots on hole transport in poly(3-hexylthiophene) thin films. Applied Physics Letters, 92 (26). 263504-1-263504-3. ISSN 1077-3118

Kumar, Pankaj and Jain, S. C. and Kumar, Vikram and Chand, Suresh and Tandon, R. P. (2008) Trap filled limit and high current-voltage characteristics of organic diodes with non-zero Schottky barrier. Journal of Physics D: Applied Physics, 41 (15). pp. 155108-1. ISSN 1361-6463

Srivastava, Sanjay K. and Vankar, V. D. and Rao, D. V. Sridhar and Kumar, Vikram (2006) Enhanced field emission characteristics of nitrogen-doped carbon nanotube films grown by microwave plasma enhanced chemical vapor deposition process. Thin Solid Films, 515 (4). pp. 1851-1856. ISSN 0040-6090

Bhagwat, Vinay and Xiao, Yegao and Bhat, Ishwara and Dutta, Partha and Refaat, Tamer F. and Nurul, Abedin M. and Kumar, Vikram (2006) Analysis of leakage currents in MOCVD grown GaInAsSb based photodetectors operating at 2 mu m. Journal of Electronic Materials , 35 (8). pp. 1613-1617. ISSN 0361-5235

Singh, Rajiv K. and Kumar, Jitendra and Singh, Ramadhar and Kant, Rama and Rastogi, R. C. and Chand, Suresh and Kumar, Vikram (2006) Structure-conductivity correlation in ferric chloride-doped poly(3-hexylthiophene). New Journal of Physics, 8 (112). ISSN 1367-2630

Singh, Ramadhar and Kumar, Jitendra and Singh, Rajiv K. and Chand, Suresh and Kumar, Vikram and Rastogi, R. C. (2006) Mechanism of charge transport in poly(3-octylthiophene). Journal of Applied Physics , 100 (1). 01610-1-01610-3. ISSN 0021-8979

Srivastava, Sanjay K and Vankar, V. D. and Kumar, Vikram and Singh, V. N. (2008) Effect of Substrate Morphology on Growth and Field Emission Properties of Carbon Nanotube Films. Nanoscale Research Letters , 3 (6). 205 -212 . ISSN 1931-7573

Kumar, Pankaj and Kumar, Hemant and Jain, S. C. and Venkatesu, P. and Chanda, Suresh and Kumar, Vikram (2009) Effect of Active Layer Thickness on Open Circuit Voltage in Organic Photovoltaic Devices. Japanese Journal of Applied Physics , 48 (12). 121501-1 . ISSN 1347-4065

Kumar, Pankaj and Kumar, Hemant and Chanda, Suresh and Jain, S. C. and Kumar, Vikram and Kumar, Vinod and Pant, R. P. and Tandon, R. P. (2008) Effect of CoFe magnetic nanoparticles on the hole transport in poly(2-methoxy, 5-(2-ethylhexiloxy) 1,4-phenylenevinylene). Journal of Physics D: Applied Physics, 41 (18). pp. 185104-1. ISSN 1361-6463

Kumar, Jitendra and Singh, Rajiv K. and Singh, Ramadhar and Rastogi, R.C. and Kumar, Vikram (2008) Effect of FeCl3 on the stability of π-conjugation of electronic polymer. Corrosion Science , 50 (02). pp. 301-308. ISSN 1879-0496

Kumar, Pankaj and Jain, S. C. and Kumar, Hemant and Chanda, Suresh and Kumar , Vikram (2009) Effect of illumination intensity and temperature on open circuit voltage in organic solar cells. Applied Physics Letters, 94 (18). 183505-1-183505-3. ISSN 1077-3118

Kumar, Pankaj and Jain, S. C. and Kumar, Vikram and Chanda, Suresh and Tandon, R. P. (2008) Effect of illumination on the space charge limited current in organic bulk heterojunction diodes. Applied Physics A: Materials Science and Processing , 94 (2). pp. 281-286. ISSN 1432-0630

Kumar, Pankaj and Jain, S. C. and Kumar, Vikram and Chanda, Suresh and Tandon, R. P. (2008) Effect of non-zero Schottky barrier on the J-V characteristics of organic diodes. European Physical Journal E , 28 (4). pp. 361-368. ISSN 1292-895X

Kumar, Dinesh and Srivastava, Sanjay K. and Singh, P. K. and Husain, M. and Kumar, Vikram (2010) Fabrication of silicon nanowire arrays based solar cell with improved performance. Solar Energy Materials and Solar Cells , 95 (1). pp. 215-218. ISSN 0927-0248

Srivastava, Sanjay K. and Singh , P. K. and Singh, V. N. and Sood, K. N. and Haranath, D. and Kumar, Vikram (2009) Large-scale synthesis, characterization and photoluminescence properties of amorphous silica nanowires by thermal evaporation of silicon monoxide. Physica E: Low-dimensional Systems and Nanostructures , 41 (8). pp. 1545-1549. ISSN 1386-9477

Singh, Ramadhar and Singh, Rajiv K. and Kumar, Jitendra and Kant, Rama and Kumar, Vikram (2010) The origin of DC electrical conduction and dielectric relaxation in pristine and doped poly(3-hexylthiophene) films. Journal of Polymer Science Part B: Polymer Physics , 48 (10). pp. 1047-1053. ISSN 1099-0488