Publications

    2022

  1. Electronic Structure and Chemical Bonding in Methylammonium Lead Triiodide and Its Precursor Methylammonium Iodide Cody M Sterling, Chinnathambi Kamal, Alberto García-Fernández, Gabriel J Man, Sebastian Svanstrom,Pabitra K Nayak, Sergei M Butorin, Håkan Rensmo, Ute B Cappel, Michael Odelius The Journal of Physical Chemistry C 126 (47), 20143-20154

  2. Excitons at the phase transition of 2D hybrid perovskites Jonas D Ziegler, Kai-Qiang Lin, Barbara Meisinger, Xiangzhou Zhu, Manuel Kober-Czerny,Pabitra K Nayak, Cecilia Vona, Takashi Taniguchi, Kenji Watanabe, Claudia Draxl, Henry J Snaith, John M Lupton, David A Egger, Alexey Chernikov ACS Photonics 9 (11), 3609-3616

  3. In Operando, Photovoltaic, and Microscopic Evaluation of Recombination Centers in Halide Perovskite-Based Solar Cells Arava Zohar, Michael Kulbak, Silver H Turren-Cruz, Pabitra K Nayak, Adi Kama, Anders Hagfeldt, Henry J Snaith, Gary Hodes, David CahenACS applied materials & interfaces14 (30), 34171-34179

  4. A-site cation influence on the conduction band of lead bromide perovskites Gabriel J Man, Chinnathambi Kamal, Aleksandr Kalinko, Dibya Phuyal, Joydev Acharya, Soham Mukherjee, Pabitra K Nayak, Håkan Rensmo, Michael Odelius, Sergei M Butorin Nature Communications13 (1), 3839

  5. Diverging expressions of anharmonicity in halide perovskites Adi Cohen, Thomas M Brenner, Johan Klarbring, Rituraj Sharma, Douglas H Fabini, Roman Korobko,Pabitra K Nayak, Olle Hellman, Omer YaffeAdvanced Materials34 (14),2107932

    6. 2021

  6. 2D position-sensitive hybrid-perovskite detectors N. Ganesh, K. Schutt,P. K. Nayak,H. Snaith and K. Narayan;ACS Applied Materials & Interfaces2021, (13) 54527

  7. Electronic coupling between the unoccupied states of the organic and inorganic sublattices of methylammonium lead iodide: A hybrid organic-inorganic perovskite single crystal G. Man, C. Sterling, C. Kamal, K. Simonov, S. Svanström, J. Acharya, F. Johansson, E. Giangrisostomi, R.Ovsyannikov, T. Huthwelker, S. Butorin,P. K. Nayak, M. Odelius and H. Rensmo;Physical Review B2021, (104) L041302

  8. Adduct-based p-doping of Organic Semiconductors N. Sakai, R. Warren, F. Zhang, S. Nayak, J. Liu, S. V. Kesava, Y. Lin, H. S. Biswal, Xin Lin, C. Grovenor, T. Malinauskas, A. Basu, T. D. Anthopoulos, V. Getautis, A. Kahn, M. Riede, P. K. Nayak * , H. J. Snaith;
    Nature Materials, 2021 DOI:10.1038/ s41563-021-00980-x

  9. Sensitivity of Nitrogen K-edge X-ray Absorption to Halide Substitution and Thermal Fluctuations in Methylammonium Lead Halide Perovskites C. Sterling, C. Kamal, G. Man, P K. Nayak, K. Simonov, K; S. Svanstrom, A. García-Fernández, T. Huthwelker, U. Cappel, S. Butorin, H. Rensmo, M. Odelius;
    Journal of Physical Chemistry C DOI : 10.1021/acs.jpcc.1c02017

  10. Research Highlights: Perovskite
    P K. Nayak;
    MRS Bulletin , 2021 (46) 93

    11. 2020

  11. Organic-Inorganic Hybrid and Inorganic Halide Perovskites: Structural and Chemical Engineering, Interfaces and Optoelectronic Properties
    S. Krishnamurthy, P. Pandey, J. Kaur, S. Chakraborty, P. K. Nayak *, A. Sadhanala, S. B. Ogale;
    Journal of Physics D: Applied Physics DOI: 10.1088/1361-6463/abd0ad

  12. Research Highlights: Perovskite
    P K. Nayak;
    MRS Bulletin , 2020 (45) 790

  13. Photoinduced Vibrations Drive Ultrafast Structural Distortion in Lead Halide Perovskite
     H. Duan, V. Tiwari, A. Jha, G. R. Berdiyorov, A. Akimov, O. Vendrell, P. K. Nayak , H. J. Snaith, M. Thorwart, Z. Li, M. E. Madjet, R. J. D Miller; Journal of American Chemical Society, 2020 (142) 16569

  14. Intermolecular vibrations mediate ultrafast singlet fission
     H. Duan, A. Jha, X. Li, V. Tiwari, H. Ye, P. K. Nayak , X. Zhu, Z. Li, T. J. Martinez, M. Thorwart, RJ D. MillerScience advances, 2020 (6), eabb0052

  15. Research Highlights: Perovskite
    P. K. Nayak* ; MRS Bulletin , 2020 (45) 515

  16. Vacancy-Ordered Double Perovskite Cs2TeI6 Thin Films for Optoelectronics
     I. Vázquez-Fernández, S. Mariotti, O. S. Hutter, M. Birkett, T. D. Veal, T. DC Hobson, L. J. Phillips, L. Danos, P. K. Nayak , H. J. Snaith, W. Xie, M. P. Sherburne, M. Asta, K. Durose
    Chemistry of Materials,2020 (32) 6676

  17. A piperidinium salt stabilizes efficient metal-halide perovskite solar cells
    Y. Lin, N. Sakai, P. Da, J. Wu, H. C. Sansom, A. J. Ramadan, S. Mahesh, J. Liu, R. DJ Oliver, J. Lim, L. Aspitarte, K. Sharma, P. K. Madhu, A. B. Morales‐Vilches, P. K. Nayak , S. Bai, F. Gao, C. RM Grovenor, M. B. Johnston, J. G. Labram, J. R. Durrant, J. M. Ball, B. Wenger, B. Stannowski, H. J. Snaith
    Science45, 2020 (369) 96

  18. Understanding the Performance Limiting Factors of Cs2AgBiBr6 Double-Perovskite Solar Cells
    G. Longo, S. Mahesh, L. RV Buizza, A. D Wright, A. J Ramadan, M. Abdi-Jalebi, P. K. Nayak , L. M. Herz, H. J. Snaith;
    ACS Energy Letters, 2020 (5) 2200

  19. Direct Silicon Heterostructures With Methylammonium Lead Iodide Perovskite for Photovoltaic Applications.
    S. Mariotti, M. Al Turkestani, O. S. Hutter, G. Papageorgiou, J. D. Major, J. Swallow, P. K. Nayak , H. J. Snaith, V. R. Dhanak, K. Durose;
    IEEE Journal of Photovoltaics, 2020 DOI: 10.1109/JPHOTOV.2020.2981805

  20. Research highlights: Perovskites
    P. Patel, P. K. Nayak *,
    MRS Bulletin , 2020 (45) 253

  21. Isotype heterojunction solar cells using n-type Sb2Se3 thin films
    T. DC Hobson, L. J. Phillips, O. S. Hutter, H. Shiel, J. EN Swallow, C. N Savory, P. K. Nayak , S. Mariotti, B. Das, L. Bowen, L. AH Jones, T. J. Featherstone, M. J. Smiles, M. A Farnworth, G. Zoppi, P. K. Thakur, T. Lee, H. J. Snaith, C. Leighton, D. O Scanlon, V. R. Dhanak, K. Durose, T. D Veal, J. D. Major;
    Chemistry of Materials, 2020 (32), 2621

  22. Research highlights: Perovskites
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2020 (45) 11

  23. Revealing the origin of voltage loss in mixed-halide perovskite solar cells
    S. Mahesh, J. M. Ball, R. DJ Oliver, D. P. McMeekin, P. K. Nayak *, M. B. Johnston, H. J. Snaith;
    Energy & Environmental Science 2020 (13) 258

    24. 2019

  24. Research highlights: Perovskites
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2019 (44) 742

  25. Giant Fine Structure Splitting of the Bright Exciton in a Bulk MAPbBr3 Single Crystal
    M. Baranowski, K. Galkowski, A. Surrente, J. Urban, Ł. Kłopotowski, S. Mackowski, D. K. Maude, R. B. Aich, K. Boujdaria, M. Chamarro, C. Testelin, P. K. Nayak , M. Dollmann, H. J. Snaith, R. J. Nicholas, P. Plochocka;
    Nano letters 2019 (19) 7054

  26. Research highlights: Perovskites
    P. Patel, P. K. Nayak *,
    MRS Bulletin , 2019 (44) 673

  27. Overcoming Zinc Oxide Interface Instability with a Methylammonium-free Perovskite for High Performance Solar Cells
    K. Schutt, P. K. Nayak , A. Ramadan, B. Wenger, Y. Lin and H. J. Snaith
    Advanced Functional Materials 2019 (29) 1900466

  28. Revealing the nature of photoluminescence emission in the metal-halide double perovskite Cs2AgBiBr
    S. J. Zelewski, J. M. Urban, A. Surrente, D. K. Maude, A. Kuc, L. Schade, R. D. Johnson, M. Dollmann, P. K. Nayak , H. J. Snaith, P. Radaelli, R. Kudrawiec, R. J. Nicholas, P. Plochocka, M. Baranowski;
    Journal of Materials Chemistry C 2019 (27) 8350

  29. Research highlights: Perovskites
    P. Patel, P. K. Nayak *
    MRS Bulletin , 2019 (44) 423

  30. Photovoltaic solar cell technologies: analysing the state of the art
    P. K. Nayak *; S. Mahesh, H. J. Snaith and D. Cahen;
    Nature Reviews Materials, 2019 (4) 269

  31. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2019 (44) 149

  32. Structural and Optical Properties of Cs2AgBiBr6 Double Perovskite
    L. Schade, A. D Wright, R. D Johnson, M. Dollmann, B. Wenger, P. K. Nayak , D. Prabhakaran, L. M Herz, R. Nicholas, H. J Snaith, P.G Radaelli,
    ACS Energy Lett., 2019, (4) 299

    33. 2018

  33. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2018 (43) 645

  34. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2018 (43) 397

  35. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2018 (43) 162

  36. The Effect of Ionic Composition on Acoustic Phonon Speeds in Hybrid Perovskites from Brillouin Spectroscopy and Density Functional Theory
    I. V. Kabakova, I. Azuri, Z. Chen, P. K. Nayak , H. J. Snaith, L. Kronik, C. Paterson, A. A. Bakulin, and D. A. Egger;
    Journal of Materials Chemistry C , 2018 (6)

  37. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2018 (43) 7

  38. The impact of Bi3+ heterovalent doping in organic-inorganic metal halide perovskite crystals
    P. K. Nayak , M. Sendner, B. Wenger, Z. Wang, K. Sharma, A. J Ramadan, R. Lovrincic, A. Pucci, P. K. Madhu, H. J. Snaith;
    Journal of American Chemical Society, 2018, (140), 574

    39. 2018

  39. Role of colloids and solvent chemistry in metal halide perovskites thin film and crystal formation.
    P. K. Nayak *;
    Society for Materials Chemistry Bulletin, 2018.

    40. 2017

  40. Direct Observation of the Ultrafast Exciton Dissociation in Lead-iodide Perovskite by 2D Electronic Spectroscopy
    A. Jha, H. Duan, V. Tiwari, P. K. Nayak , H. J. Snaith, M. Thorwart, and R. J. D. Miller;
    ACS Photonics 2017, DOI: 10.1021/acsphotonics.7b01025

  41. Insights In to the Microscopic and Degradation Processes in Hybrid Perovskite Solar Cells Using Noise Spectroscopy.
    A. Singh, P. K. Nayak , S. Banerjee, Z. Wang, J. Wang, H. J. Snaith, K.S. Narayan;
    RRL Solar, 2017 DOI: 10.1002/solr.201700173

  42. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2017 (42) 694

  43. Consolidation of the optoelectronic properties of organic-inorganic lead halide perovskite single crystals;
    B. Wenger, P. K. Nayak , X.Wen, S. V. Kesava, N. K. Noel and H. J. Snaith;
    Nature Communications, 2017, ( DOI:10.1038/s41467-017-00567-8)

  44. Synthesis, photophysical, electrochemical and electroluminescence studies of red emitting phosphorescent Ir (III) heteroleptic complexes.
    F. Ali, P. K. Nayak , N. Periasamy, N. Agarwal;
    J. Chem. Sci., 2017, (129) 391

  45. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2017 (42) 478

  46. How to Avoid Artifacts in Surface Photovoltage Measurements: A Case Study with Halide Perovskites
    Igal Levine, Gary Hodes, Henry J. Snaith and P. K. Nayak *;
    J. Phys. Chem. Lett. 2017 (8) 2941

  47. Solution-processed Cesium Hexabromopalladate(Ⅳ) for Optoelectronic Applications.
    N. Sakai; A. A. Haghighirad, M. Filip, P.K. Nayak, S. Nayak, A. Ramadan, Z. Wang, F. Giustino, H. J. Snaith;
    Journal of American Chemical Society, 017 (DOI: 10.1021/jacs.6b13258)

  48. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2017 (42) 175

    49. 2016

  49. Optical phonons in methylammonium lead halide perovskites and implications for charge transport
    M. Sendner, P. K. Nayak , D. A. Egger, S. Beck, C. Muller, B. Epding, W. Kowalsky, L. Kronik, H. J. Snaith, A. Pucci and R. Lovrincic ;
    Materials Horizon, 2016 (3) 613

  50. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin 2016, (41) 939 (IF = 5.19)

  51. Mechanism for rapid growth of organic-inorganic halide perovskite crystals
    P. K. Nayak , D. T. Moore, B. Wenger, S. Nayak, A. A. Haghighirad, A. Fineberg, N. K. Noel, O. G. Reid, G. Rumbles, P. Kukura, K. A. Vincent, H. J. Snaith;
    Nature Communications 2016, ( DOI: 10.1038/ncomms13303)

  52. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2016 (41) 645

  53. Efficient perovskite solar cells by metal ion doping
    J. Wang, Z. Wang, S. Pathak, W. Zhang, F. Rivarola, J. Huang, P. K. Nayak , J. B. Patel,H. A. Mohd Yusof, Y. Vaynzof, R. Zhu, I. Ramirez, J. Zhang, C. Ducati, C. Grovenor, M. B. Johnston, D. S. Ginger, R. J. Nicholas, H. J. Snaith;
    Energy Environmental Science 2016, (9), 2892

  54. Interface-Dependent Ion Migration/Accumulation Controls Hysteresis in MAPbI3 Solar Cells
    I. Levine, P. K. Nayak , J. Wang, N. Sakai, S. Van Reenen, T. M. Brenner, S. Mukhopadhyay, H. J. Snaith, G. Hodes, D. Cahen;
    J. Phys. Chem. C 2016, 120 (30), 16399.

  55. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2016 (41) 421

  56. Shunt-Blocking Layers for Semitransparent Perovskite Solar Cells
    M.T. Hörantner#, P. K. Nayak #, S. Mukhopadhyay, K. Wojciechowski, C. Beck, D. McMeekin, B. Kamino, G. E. Eperon and H. J. Snaith;
    Advanced Materials Interfaces 2016, doi: 10.1002/admi.201500837

  57. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2016 (41) 175

  58. Structured Organic–Inorganic Perovskite toward a Distributed Feedback Laser
    M. Saliba, S. M. Wood, J. B. Patel, P. K. Nayak , J. Huang, J. A. Alexander-Webber, B. Wenger, S. D. Stranks, M. T. Hörantner, J. T. Wang, R. J. Nicholas, L. M. Herz, M. B. Johnston, S. M Morris, Henry J. Snaith, Moritz K. Riede;
    Advanced Materials 2016, (28) 923

    59. 2015

  59. Enhanced optoelectronic quality of perovskite thin films with hypophosphorous acid for planar heterojunction solar cells
    W. Zhang, S. Pathak, N. Sakai, T. Stergiopoulos, P. K. Nayak , N. K. Noel, A. A. Haghighirad, V. M. Burlakov, D. W. deQuilettes, A. Sadhanala, W. Li, L. Wang, D. S. Ginger, R. H. Friend and H. J. Snaith;
    Nature Communications 2015, doi:10.1038/ncomms10030

  60. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2015, (40) 896

  61. Mode-selective vibrational modulation of charge transport in organic electronic devices
    A. A Bakulin, R. Lovrincic, X. Yu, O. Selig, H. J Bakker, Y. LA Rezus, P. K. Nayak , A. Fonari, V. Coropceanu, J. Brédas, D. Cahen;
    Nature Communications 2015, doi: 10.1038/ncomms8880

  62. Research Highlights Perovskites,
    P. Patel, P. K. Nayak *;
    MRS Bulletin , 2015, (40) 621

  63. Formation of Thin Films of Organic–Inorganic Perovskites for High‐Efficiency Solar Cells
    S. D Stranks, P. K. Nayak , W. Zhang, T. Stergiopoulos, H. J. Snaith;
    Angewandte Chemie International Edition 2015, (54) 3240

    64. 2014

  64. Enhancing the Tunability of the Open-Circuit Voltage of Hybrid Photovoltaics with Mixed Molecular Monolayers
    L. Barnea-Nehoshtan#, P. K. Nayak #, T. Bendikov, A. Shu, A. Kahn and D. Cahen;
    ACS Applied Materials & Interfaces 2014, (6) 2317

  65. Updated Assessment of Possibilities & Limits for Solar Cells
    P. K. Nayak and D. Cahen;
    Advanced Materials 2014, (26) 1622

    66. 2013

  66. The effect of structural order on photovoltaic parameters as illustrated in a SiC-organic junction model
    P. K. Nayak #, L. Barnea-Nehoshtan, R. S. Kim, A. Shu, G. Man, A. Kahn, D. Lederman, Y. Feldman and D. Cahen;
    Energy Environmental Science 2013, (6) 3272

  67. Separating Charges at Organic Interfaces: Effects of Disorder, Hot States and Electric Field
    P. K. Nayak *, K. L. Narasimhan and D. Cahen;
    J. Phys. Chem. Lett. 2013, (4) 1707

  68. Exciton Binding Energy in small organic conjugated molecule
    P. K. Nayak *;
    Synthetic Metals 2013, (174) 42 (Cover page article)

  69. O2 and organic semiconductors: Electronic effects
    P. K. Nayak *, R. Rosenberg, L. Barnea and D. Cahen;
    Organic Electronics 2013, (14) 966

    70. 2012

  70. Photovoltaic Efficiency Limits and Material Disorder
    P. K. Nayak , G. Garcia-Belmonte, A. Kahn, J. Bisquert and D. Cahen;
    Energy Environmental Science 2012, (5) 6022

  71. Synthesis, photophysical, electrochemical and thermal studies on carbazole-based acceptor molecules for heterojunction solar cell
    S. Banerjee, F. Ali, P. K. Nayak * and N. Agarwal;
    Thin Solid Films 2012, (520) 2644

    72. 2011

  72. Assessing Possibilities and Limits for Solar Cells
    P. K. Nayak , J. Bisquert and D. Cahen;
    Advanced Materials 2011, (23) 2870

  73. Tuning of HOMO levels of carbazole derivatives: Blue emitters and hole transporting materials for OLEDs
    N. Agarwal, P. K. Nayak , M. P. Patankar, K. L. Narasimhan and N. Periasamy;
    Synthetic Metals 2011, (161) 466

    74. 2010

  74. Blue and white light electroluminescence in a multilayer OLED using new Aluminium complex
    P. K. Nayak , N. Agarwal, N. Periasamy, M. P. Patankar and K. L. Narasimhan;
    J. Chem. Sci. 2010, (122) 847

  75. Synthesis and photophysical studies of new 2,8-diaryldibenzothiophene derivatives
    P. K. Nayak , N. Agarwal and N. Periasamy;
    J. Chem. Sci. 2010, (122) 119 (IF = 1.23)

  76. Excited state complex and electroluminescence in TPD based single layer device
    P. K. Nayak , M. P. Patankar, K. L. Narasimhan and N. Periasamy;
    Journal of Luminescence 2010, (130) 1174

  77. Pure Exciplex Electroluminescence in blended film of small organic molecules
    P. K. Nayak , N. Agarwal, N. Periasamy, M. P. Patankar and K. L. Narasimhan;
    Synthetic Metals 2010, (160) 722

    78. 2009

  78. Characterisation of Different Polymorphs of Tris(8- Hydroxyquinolinato) Aluminium(lll) Using Solid-State NMR and DFT Calculations
    M. Goswami#, P. K. Nayak #, N. Periasamy and P. K. Madhu;
    Chemistry Central Journal 2009, 3:15 doi:10.1186/1752-153X-3-15

  79. On the chemical route to the formation of graphene
    F. Ali, N. Agarwal, P. K. Nayak , R. Das and N. Periasamy;
    Current Science 2009, (97) 683

  80. Calculation of electron affinity, ionization potential, transport gap, optical band gap and exciton binding energy of organic solids using 'solvation' model and DFT
    P. K. Nayak and N. Periasamy;
    Organic Electronics 2009, (10) 1396

  81. Calculation of ionization potential of amorphous organic thin-films using solvation model and DFT
    P. K. Nayak and N. Periasamy;
    Organic Electronics 2009, (10) 532

    82. 2008

  82. Secondary emissions from spectrofluorimeters
    P K. Nayak*;
    Current Science 2008, (94) 559

  83. Generic synthesis of a variety of nanocrystalline metal oxides at room temperature
    Y. S. Chaudhary, D. Chinthalapelly, U. M. Bhat, P. K. Nayak and D. Khushalani;
    Journal of Materials Chemistry 2008, (18) 3636

  84. Synthesis, photoluminescence and electrochemical properties of 2,7-diarylfluorene derivatives
    N. Agarwal, P. K. Nayak and N Periasamy;
    J. Chem. Sci. 2008, (120) 355

  85. Synthesis, characterization, photophysical and electrochemical properties of new dopants for OLEDs
    N. Agarwal and P. K. Nayak ;
    Tetrahedron Letters 2008, (49) 2710

    86. 2006-04

  86. Synthesis and characterization of spin-coatable tert-amine molecules for hole transport in organic light-emitting diodes
    A. Mishra, P. K. Nayak , D. Ray, M. P. Patankar, K. L. Narasimhan and N. Periasamy;
    Tetrahedron Letters 2006, (47) 4715

  87. Characterization of the Formation of Amyloid Protofibrils from Barstar by Mapping Residue-specific Fluorescence Dynamics
    S. Mukhopadhyay, P. K. Nayak , J. B. Udgaonkar and G. Krishnamoorthy;
    Journal of Molecular Biology 2006, (358) 935

  88. Synthesis of 5-alkoxymethyl- and 5-aminomethyl-substituted 8-hydroxyquinoline derivatives and their luminescent Al(III) complexes for OLED applications
    A. Mishra, P. K. Nayak and N. Periasamy;
    Tetrahedron Letters 2004, (45) 6265