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    Peer-reviewed Journals


    2017

  1. Functionalized 2D-MoS2 Incorporated Polymer Ternary Solar Cells: Role of Nanosheets Induced Long range Ordering of Polymer Chains on Charge Transport
    R. Ahmad, R. Srivastava, S. Yadav, S. Chand, S. Sapra
    ACS Appl. Mater. Interfaces (2017).


  2. Nanocrystal-Dye interactions: Studying the feasibility of co-sensitization of dyes with semiconductor nanocrystals
    M. Mittal, S. Sapra
    ChemPhysChem 18, 2509 (2017).


  3. Coalesced nanomorphology, in situ, and ex situ applications of self assembled Gallium droplets grown by metal organic chemical vapor deposition
    J. Lohani, R. K. Bag, M. V. G. Padmavati, S. Sapra, R. Tyagi
    Chem. Phys. 493, 175 (2017).


  4. Quantum dots in visible light photoredox catalysis: Reductive dehalogenations and C-H arylation reactions using aryl bromides
    A. Pal, I. Ghosh, S. Sapra, B. Koenig
    Chem. Mater. 29, 5225 (2017).


  5. Efficient Charge Extraction from CdSe/ZnSe Dots-on-Plates Nanoheterostructures
    S. Yadav, B. Adhikary, P. Tripathy, S. Sapra
    ACS Omega 2, 2231 (2017).


  6. Functionalized MoS2 Nanosheets for 0D-2D Hybrid Nanostructure: Photoinduced Charge Transfer and Enhanced Photoresponse
    R. Ahmad, R. Srivastava, S. Yadav, D. Singh, G. Gupta, S. Chand, S. Sapra
    J. Phys. Chem. Lett. 8,1729 (2017).


  7. Solvent-free, mechanochemical syntheses of bulk trihalide perovskites and their nanoparticles
    A. Jana, M. Mittal, A. Singla, S. Sapra
    Chem. Commun. 53, 3046 (2017).


  8. Synthesis of trap emission free CdS quantum dots: Role of Phosphonic acids and halide ions
    V. Arora, U. Soni, M. Mittal, S. Yadav, S. Sapra
    J. Colloid Interface Sci. 491, 329 (2017).

    2016

  9. Size of the Organic Cation Tunes the Band Gap of Colloidal Organolead Bromide Perovskite Nanocrystals
    M. Mittal, A. Jana, S. Sarkar, P. Mahadevan, S. Sapra
    J. Phys. Chem. Lett. 7, 3270 (2016).


  10. Type-I/Type-II emissionThickness dependent charge carrier dynamics in CdSe/ZnSe/CdS core/barrier/shell nanoheterostructures
    S. Yadav, A. Chowdhury, S. Sapra
    ChemPhysChem 17, 692 (2016).
    (Back Cover Illustration)

    2015

  11. Probing the Mechanism of Fluorescence Quenching of QDs by Co(III)-Complexes: Size of QD and Nature of the Complex, Both Dictate Energy and Electron Transfer Processes
    A. Pal, S. Srivastava, P. Saini, S. Raina, P. Ingole, R. Gupta, S. Sapra
    J. Phys. Chem. C 119, 22690 (2015).


  12. Narrowing the size distribution of CdTe nanocrystals using digestive ripening
    M. Mittal and S. Sapra
    Pramana - J. Phys. 84, 1049 (2015).


  13. Localization and Dynamics of Long-Lived Excitations in Colloidal Semiconductor Nanocrystals with Dual Quantum Confinement
    S. Liu, N. Borys, S. Sapra, A. Eychmüller, J. Lupton
    ChemPhysChem 16, 1663 (2015).


  14. Electrically-driven Assembly of CdTe Quantum Dots into Photoconductive Microwires
    G. Maheshwari, M. Mittal, S. Sapra, S. Gupta
    J. Mater. Chem. C 3, 1645 (2015).


  15. Cancer Cell Targeting Using Folic Acid/Anti-HER2 Antibody Conjugated Fluorescent CdSe/CdS/ZnS-MPA and CdTe-MSA Quantum Dots
    G. Singh, M. Kumar, U. Soni, V. Arora, V. Bansal, D. Gupta, M. Bhat, A. K. Dinda, S. Sapra, H. Singh
    J. Nanosci. Nanotechnol. 15, 9382 (2015).

    2014

  16. Intracellular delivery of peptide cargos using iron oxide based nanoparticles: studies on antitumor efficacy of BCL-2 converting peptide, NuBCP-9
    M. Kumar, G. Singh, S. Sharma, D. Gupta, V. Bansal, V. Arora, M. Bhat, S. K. Srivastava, S. Sapra, S. Kharbanda, A. K. Dinda, H. Singh
    Nanoscale 6, 14473 (2014).


  17. Photocatalysis from Fluorescence-Quenched CdSe/Au Nanoheterostructures: A Size-Dependent Study
    U. Soni, P. Tripathy, S. Sapra
    J. Phys. Chem. Lett. 5, 1909 (2014).


  18. Investigation of the Photophysical and Electrical Characteristics of CuInS2 QDs / SWCNT Hybrid Nanostructure
    R. Ahmad, U. Soni, R. Srivastave, V. Singh, S. Chand, S. Sapra
    J. Phys. Chem. C 118, 11409 (2014).


  19. Simultaneous Type-I/Type-II Emission from CdSe/CdS/ZnSe Nano-Heterostructures
    U. Soni, A. Pal, S. Singh, M. Mittal, S. Yadav, R. Elangovan, S. Sapra
    ACS Nano 8, 113 (2014).

    2013

  20. Electron transfer from CdSe/ZnS core shell quantum dots to Cobalt(III) complexes
    A. Pal, S. Srivastava, R. Gupta, S. Sapra
    Phys. Chem. Chem. Phys. 15, 15888 (2013).


  21. Quantum Dots Self Assembly Based Interface for Blood Cancer Detection
    A. Sharma, G. Sumana, S. Sapra, B. D. Malhotra
    Langmuir 29, 8753 (2013).


  22. Wurtzite or Zinc Blende? Surface decides the crystal structure of nanocrystals
    U. Soni, V. Arora, S. Sapra
    CrystEngComm 15, 5458 (2013).


  23. Enhanced performance of organic photovoltaic device by incorporation of tetrapod shaped CdSe nanocrystals in polymer-fullerene system
    R. Ahmad, V. Arora, R. Srivastava, S. Sapra, M. N. Kamalasanan
    Phys. Stat. Sol. A 210, 785 (2013).

    2012

  24. Cellular interaction of folic acid conjugated superparamagnetic iron oxide nanoparticles and its use as contrast agent for targeted magnetic imaging of tumor cells
    M. Kumar, G. Singh, V. Arora, S. Mewar, U. Sharma, N. R. Jagannathan, S. Sapra, A. K. Dinda, S. Kharbanda, H. Singh
    Int. J. Nanomed. 7, 3503 (2012).


  25. Chitosan encapsulated quantum dots platform for leukemia detection
    A. Sharma, C. M. Pandey, S. Gajjala, U. Soni, S. Sapra, A. K. Srivastava, T. Chatterjee, B. D. Malhotra
    Biosensors and Bioelectronics 38, 107 (2012).


  26. Surface Plasmon Resonance Based Fiber Optic Sensor Utilizing Metal Nanoparticles: Influence of Ambient Temperature
    S. K. Srivastava, V. Arora, S. Sapra and B. D. Gupta
    Sensors & Transducers Journal 139, 95 (2012).


  27. Nanopatterned Cadmium Selenide Langmuir–Blodgett Platform for Leukemia Detection
    A. Sharma, C. Pandey, Z. Mathuru, U. Soni, S. Sapra, S. Gajjala, M. Pandey, T. Chatterjee, B. D. Malhotra
    Anal. Chem. 84, 3082 (2012).
    Highlighted in Nature India. doi:10.1038/nindia.2012.60


  28. Localized surface plasmon resonance-based fiber optic U-shaped biosensor for the detection of blood glucose
    S. K. Srivastava, V. Arora, S. Sapra, B. D. Gupta
    Plasmonics 7, 261 (2012).

    2011

  29. Selective capturing and detection of Salmonella typhi on polycarbonate membrane using bioconjugated quantum dots
    R. Jackeray, C.K.V. Zainul Abid, G. Singh, S. Jain, S. Chattopadhyaya, S. Sapra, T.G. Shrivastav, H. Singh
    Talanta 84, 952 (2011).


  30. Detection of Bioconjugated Quantum Dots Passivated with Different Ligands for Bio-Applications
    G. Singh, N. H. Zaidi, U. Soni, M. Gautam, R. Jackeray, H. Singh, S. Sapra
    J. Nanosci. Nanotechnol. 11, 3834 (2011).

    2010

  31. The importance of surface in core-shell semiconductor nanocrystals
    U. Soni, S. Sapra
    J. Phys. Chem. C 114, 22514 (2010).


  32. Origin of the Enhanced Photoluminescence from Semiconductor CdSeS Nanocrystals
    D. D. Sarma, A. Nag, P. Santra, A. Kumar, S. Sapra, P. Mahadevan
    J. Phys. Chem. Lett. 1, 2149 (2010).


  33. Growth mechanism of cadmium sulfide nanocrystals
    R. Viswanatha, H. Amenitsch, S. R. Santra, S. Sapra, S. S. Datar, Y. Zhou, S. K. Nayak, S. K. Kumar, D. D. Sarma
    J. Phys. Chem. Lett. 1, 304 (2010).

    2009

  34. Real-time magnetic resonance imaging and quantification of lipoprotein metabolism in vivo using nanocrystals
    O. T. Bruns, H. Ittrich, K. Peldschus, M. G. Kaul, U. I. Tromsdorf, J. Lauterwasser, M. S. Nikolic, B. Mollwitz, M. Merkel, N. C. Bigall, S. Sapra, R. Reimer, H. Hohenberg, H. Weller, A. Eychmüller, G. Adam, U. Beisiegel, J. Heeren
    Nature Nanotechnology 4, 193 (2009).

    2008

  35. Selective enhancement of surface-state emission and simultaneous quenching of interband transition in white-luminophor CdS nanocrystals using localized plasmon coupling
    T. Özel, M. Soganci, S. Nizamoglu, I. O. Huyal, E Mutlugun, S. Sapra,N. Gaponik, A. Eychmüller
    New J. Phys. 10, 083035 (2008).


  36. Tuning shades of white light with multi-color quantum-dot-quantum-well emitters based on onion-like CdSe-ZnS heteronanocrystals
    S. Nizamoglu, E Mutlugun, T. Özel, H. V. Demir, S. Sapra, N. Gaponik and A. Eychmüller
    Nanotechnology 19, 335203 (2008).


  37. Dual-color emitting quantum dot quantum well CdSe-ZnS hetero-nanocrystals hybridized on InGaN/GaN light emitting diodes for high-quality white light generation
    S. Nizamoglu, E Mutlugun, T. Özel, H. V. Demir, S. Sapra, N. Gaponik and A. Eychmüller
    Appl. Phys. Lett. 92, 113110 (2008).


  38. White emitting CdS quantum dot nanoluminophores hybridized on near-ultraviolet LEDs for high-quality white light generation and tuning
    S. Nizamoglu, E Mutlugun, O. Akyuz, N. K. Perkgoz, H. V. Demir, L. Liebscher, S. Sapra, N. Gaponik and A. Eychmüller
    New J. Phys. 10, 023026 (2008).
    Highlighted in IOP Select.


  39. Decorated wires as a reaction product of the microwave assisted synthesis of CdSe in the presence of glycine
    A. Y. Rakovich, V. Stockhausen, A. S. Susha, S. Sapra, and A. L. Rogach
    Coll. Surf. A 317, 737 (2008).

  40. 2007

  41. CdTe Nanowire Networks: Fast Self-Assembly in Solution, Internal Structure, and Optical Properties
    Y. P. Rakovich, Y. Volkov, S. Sapra, S. Susha, M. Doblinger, J. F. Donegan and A. L. Rogach
    J. Phys. Chem. C 111, 18927 (2007).


  42. A rational approach towards CdSe nanorod synthesis
    S. Sapra, J. Poppe and A. Eychmüller
    Small 3, 1886 (2007).


  43. Temperature dependence of exciton transfer in hybrid quantum well/nanocrystal heterostructures
    S. Rohrmoser, J. Baldauf, R. T. Harley, P. G. Lagoudakis, S. Sapra, A. Eychmüller and I. M. Watson
    Appl. Phys. Lett. 91, 092126 (2007).


  44. A study of Mn2+ doping in CdS nanocrystals
    A. Nag, S. Sapra, C. Nagamani, A. Sharma, N. Pradhan, S. V. Bhat and D. D. Sarma
    Chem. Mater. 19, 3252 (2007).


  45. White light emission from a blend of CdSeS nanocrystals of different Se:S ratio
    M. Ali, S. Chattopadhyay, A. Nag, A. Kumar, S. Sapra, S. Chakraborty and D. D. Sarma
    Nanotechnology 18, 075401 (2007).


  46. White light emission Bright white light emission from semiconductor nanocrystals: by chance and by design
    S. Sapra, S. Mayilo, A. L. Rogach and J. Feldmann
    Adv. Mater. 19, 569 (2007).
    Cover page illustration

  47. 2006

  48. Phosphine free synthesis of monodispersed CdSe nanocrystals in olive oil
    S. Sapra, A. L. Rogach and J. Feldmann
    J. Mater. Chem. 16, 3391 (2006).
    Highlighted in Chem. Sci. 3, C69 (2006).
    Highlighted in News Ticker: Eur. J. Lipid Sci. Technol. 108, 1070 (2006).


  49. Unravelling internal structures of highly luminescent PbSe nanocrystallites using variable-energy synchrotron radiation photoelectron spectroscopy
    S. Sapra, J. Nanda, J. M. Pietryga, J. A. Hollingsworth, and D. D. Sarma
    J. Phys. Chem. B 110, 15244 (2006) Highlighted in Elettra Highlights 2005-2006 (pp 54-56).


  50. Fluorescent stimuli-responsive grafted composite layers of polymers and semiconductor nanocrystals as environmental sensors
    L. Ionov, S. Sapra, A. Synytska, A. L. Rogach, M. Stamm, S. Diez
    Adv. Mater. 18, 1453 (2006).

  51. 2005

  52. Electronic structure of and quantum size effects in III-V and II-VI semiconducting nanocrystals using a realistic tight binding approach
    R. Viswanatha, S. Sapra, T. Saha-Dasgupta and D. D. Sarma
    Phys. Rev. B 72, 045333 (2005).


  53. Magnetic properties of doped II-VI Nanocrystals
    D. D. Sarma, R. Viswanatha, S. Sapra, A. Prakash and M. Garcia-Hernandez
    J. Nanosci. Nanotechnol. 5, 1503 (2005).


  54. Emission properties of Mn doped ZnS nanocrystals
    S. Sapra, A. Prakash, A. Ghanghrekar, N. Periasamy and D. D. Sarma
    J. Phys. Chem. B 109, 1663 (2005).

  55. 2004

  56. Synthesis and characterization of Mn doped ZnO nanocrystals
    R. Viswanatha, S. Sapra, S. Sen Gupta, B. Satpati, P. V. Satyam, B. N. Dev and D. D. Sarma
    J. Phys. Chem. B 108, 6303 (2004).


  57. Evolution of the electronic structure with size in II-VI semiconductor nanocrystals
    S. Sapra and D. D. Sarma
    Phys. Rev. B 69, 125304 (2004).


  58. Understanding the quantum size effects in ZnO nanocrystals
    R. Viswanatha, S. Sapra, B. Satpati, P. V. Satyam, B. N. Dev and D. D. Sarma
    J. Mater. Chem. 14, 661 (2004).

  59. 2003

  60. An accurate description of quantum size effects in InP nanocrystallites over a wide range of sizes
    S. Sapra, R. Viswanatha and D. D. Sarma
    J. Phys. D: Appl. Phys. 36, 1595 (2003).


  61. Optical and magnetic properties of manganese doped zinc sulfide nanoclusters
    S. Sapra, J. Nanda, A. Anand, S. V. Bhat and D. D. Sarma
    J. Nanosci. Nanotechnol. 3, 392(2003).

  62. 2002

  63. Realistic tight binding model for the electronic structure of II-VI semiconductors
    S. Sapra , N. Shanthi and D. D. Sarma
    Phys. Rev. B 66, 205202 (2002).


  64. Influence of quantum confinement on the electronic and magnetic properties of (Ga,Mn)As diluted magnetic semiconductors
    S. Sapra, D. D. Sarma, S. Sanvito and N. A. Hill
    Nano Lett. 2, 605 (2002).

  65. 2001

  66. Blue emission from cysteine ester passivated cadmium sulfide nanoclusters
    S. Sapra, J. Nanda, D. D. Sarma, F. Abed El-Al and G. Hodes
    Chem. Comm. pp 2188, issue 21, (2001).

  67. 2000

  68. Size selected zinc sulfide nanocrystallites: synthesis, structure and optical studies
    J. Nanda, S. Sapra, D. D. Sarma, N. Chandrasekharan and G. Hodes
    Chem.Mater. 12, 1018 (2000).


  69. Conference Proceedings



  70. Synthesis of Core–Shell Quantum Dots and Their Potential Application
    Proceedings of ICANN-2009, Guwahati
    U. Soni, V. Arora, G. Singh, M. Hussain, S. Sapra
    P. K. Giri et al. (eds.), Advanced Nanomaterials and Nanotechnology, Springer Proceedings in Physics 143, 85 (2013).

  71. Bioconjugated quantum dots based rapid detection of pathogenic bacteria from water samples
    Proceedings of ICANN-2009, Guwahati
    R. Jackeray, G. Singh, S. Jain, C. K. V. Zainul-Abid, H. Singh, N. H. Zaidi, U. Soni, S. Sapra and T. G. Shrivastav
    Int. J. Nanosci. 10, 199 (2011).

  72. Luminescence in Mn-doped CdS nanocrystals
    Proceedings of the ‘National Review and Coordination Meeting on Nanoscience and Nanotechnology’, Hyderabad, 2007
    A. Nag, S. Sapra, S. Sen Gupta, A. Prakash, A. Ghangrekar, N. Periasamy and D. D. Sarma
    Bulletin of Mater. Sci.31, 561 (2008).

  73. White light emitting nanostructures
    S. Sapra, S. Mayilo, T. Klar, A. L. Rogach and J. Feldmann
    Physics, Chemistry and Applications of Nanostructures: Reviews and Short Notes to Nanomeeting 2007, May 22-25.

  74. Decorated nanowires as a product of microwave synthesis of CdSe in presence of glycine
    A. S. Susha, A. Yu Rakovich, S. Sapra, A. L. Rogach and J. Feldmann
    Physics, Chemistry and Applications of Nanostructures: Reviews and Short Notes to Nanomeeting 2007, May 22-25.

  75. Growth of semiconducting nanocrystals of CdS and ZnS
    Proceedings of ICONSAT 2006
    R. Viswanatha, S. Sapra, H. Amenitsch, B. Sartori and D. D. Sarma
    J. Nanosci. Nanotechnol. 7, 1726 (2007).

  76. Synthesis of CdSe nanocrystals in a noncoordinating solvent: effect of reaction temperature on size and optical properties
    Proceedings of ICONSAT 2006
    A. Nag, S. Sapra, S. Chakraborty, S. Basu and D. D. Sarma
    J. Nanosci. Nanotechnol. 7, 1 (2007).

  77. Electronic structure of semiconductor nanocrystals: an accurate tight-binding description
    Proceedings of ICONSAT 2003: Special Issue in IJN Guest Edited by Prof. M. K. Sanyal et al.
    S. Sapra, R. Viswanatha and D. D. Sarma
    Int. J. Nanosci. 4, 893 (2005).

  78. Simultaneous control of nanocrystal size and nanocrsytal-nanocrystal separation in CdS nanocrystal assembly
    Proceedings of the National Conference on Nanoscience and Technology, March
    S. Sapra and D. D. Sarma
    Pramana 65, 565 (2005).

  79. Optical properties of manganese doped zinc Sulfide and zinc oxide nanoclusters
    S. Sapra, R. Viswanatha, Jagjit Nanda and D. D. Sarma
    Recent Advances in Inorganic Materials, Ed. D. Bahadur, Narosa Publishers pp 452-457 (2003).

  80. Semiconducting nanoparticles
    S. Sapra, J. Nanda and D. D. Sarma
    Proceedings of the plenary: 90th session of Indian Science Congress Bangalore, 2003, pp 3.4, (2003).

  81. Electronic structure of semiconducting nanocrystallites
    S. Sapra and D. D. Sarma
    Proceedings of the 3rd Japan-Korea Joint Workshop on First-Principles Electronic Structure Calculations, Oct.-Nov. 2001, pp 105 Tsukuba, Japan (2002).


    Book Chapters

  82. Conjugated-Polymer/Quantum-Confined Nanomaterials Hybrids for Optoelectronic Applications
    A. Pal, P. Saini and S. Sapra
    in Fundamentals of Conjugated Polymer Blends, Copolymers and Composites: Synthesis, Properties, and Applications, Scrivener Publishing LLC Ed: P. Saini
    pp 163-228 (2015).

  83. Electronic Structure and Spectroscopy of Semiconductor Nanocrystals
    S. Sapra and D. D. Sarma
    in Chemistry of Nanomaterials: Synthesis, Properties and Applications, Wiley-VCH, Eds: C. N. R. Rao, A. Muller, A. K. Cheetham, Weinheim
    Ch. 11, pp 371-404 (2004).

  84. Electronic Structure of Semiconducting Nanoparticles
    S. Sapra, J. Nanda and D. D. Sarma
    in Encyclopedia of Nanoscience and Nanotechnology, Ed. H. S. Nalwa, American Scientific Publishers
    Vol. 3, pp 181-192 (2004).

  85. X-ray Photoelectron Spectroscopy of Nanostructured Materials
    J. Nanda, S. Sapra and D. D. Sarma
    in Encyclopedia of Nanoscience and Nanotechnology, Ed. H. S. Nalwa, American Scientific Publishers
    Vol. 10, pp 711-724 (2004).

Department of Chemistry, IIT Delhi