Ranjith Kottokkaran

Title(s):

Research Scientist Ii [MRC]

Publications

[1] M. I. El-Henawey, Istiaque M. Hossain, Liang Zhang, Behrang Bagheri, Ranjith Kottokkaran, and Vikram L. Dalal “Influence of grain size on the photo-stability of perovskite solar cells, J Mater Sci: Mater Electron (2021). https://doi.org/10.1007/s10854-020-05148-y

[2] Harshavardhan Gaonkar, Junhao Zhu, Ranjith Kottokkaran, Behrang Bhageri, Max Noack, Vikram Dalal “Thermally Stable, Efficient, Vapor Deposited Inorganic Perovskite Solar Cells” ACS Appl. Energy Mater. 2020, 3, 4, 3497–3503

[3] Behrang Bagheri, Ranjith Kottokkaran, Laila-Parvin Poly, Ben Reichert, Saba Sharikadze, Max Noack, and  Vikram Dalal “Influence of post-deposition selenization and cadmium chloride assisted grain enhancement on electronic properties of cadmium selenide thin films” AIP Advances 9, 125012 (2019)

[4] Ranjith Kottokkaran, Harshavardhan A Gaonkar, Hisham A Abbas, Max Noack, Vikram Dalal “Performance and stability of co-evaporated vapor deposited perovskite solar cells” Journal of Materials Science: Materials in Electronics 1-8 (2019)

[5]Ranjith Kottokkaran, Harshavardhan A Gaonkar, Behrang Bagheri, Vikram L DalalEfficient p-i-n inorganic CsPbI3 perovskite solar cell deposited using layer-by-layer vacuum deposition” Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 36, 041201 (2018)

[6] SK Swathi, K Ranjith, Khadija Kanwal Khanum, Praveen C Ramamurthy “Effect of process optimization on electronic properties of conjugated small molecules” Materials Research Express 5, 086305 (2018)

[7] Rahul Singh, Ranjith Kottokkaran, Vikram Dalal, Ganesh Balasubramanian “Engineering Band Gap and Electronic Transport in Organic-Inorganic Halide Perovskites by Superlattices” Nanoscale, 9, 8600 – 8607, (2017)

[8] Ranjith Kottokkaran, A Vishnumurthy, Arul Varman Kesavan, NV Vinila, Praveen C Ramamurthy “Thienothiophene-benzoxadiazole based conjugated copolymer for organic photovoltaic application” Materials Today Communications 11, 132–138 (2017)

[9] Pranav H. Joshi, Liang Zhang, Istiaque M. Hossain, Hisham A. Abbas, Ranjith Kottokkaran, Satyapal P.Nehra, Mahendra Dhaka, Max Noack, and Vikram L. Dalal “The physics of photon induced degradation of perovskite solar cells” AIP Advances 6, 115114 (2016)

[10] Brian Maynard, Qi Long, Eric A Schiff, Mengjin Yang, Kai Zhu, Ranjith Kottokkaran, Hisham Abbas, Vikram L Dalal “Electron and hole drift mobility measurements on methylammonium lead iodide perovskite solar cells” Appl. Phys. Lett. 108, 173505 (2016)

[11] Ganapathy Balaji, Pranav H. Joshi , Hisham A. Abbas , Liang Zhang , Ranjith Kottokkaran, Mehran Samiee , Max Noack  and Vikram L. Dalal “CH3NH3PbI3 from non-iodide lead salts for perovskite solar cells via the formation of PbI2” Phys. Chem. Chem. Phys.,17, 10369-10372 (2015)

[12] Hisham A. Abbas, Ranjith Kottokkaran, Balaji Ganapathy, Mehran Samiee, Liang Zhang,

Andrew Kitahara, Max Noack and Vikram L. Dalal “High Efficiency Sequentially Vapor Grown n-i-p CH3NH3PbI3 Perovskite Solar Cells with Undoped P3HT as p-type Heterojunction Layer” APL Mater. 3, 016105 (2015)

[13] Mehran Samiee, Siva Konduri, Balaji Ganapathy, Ranjith Kottokkaran, Hisham A. Abbas, Andrew Kitahara,Pranav Joshi, Liang Zhang, Max Noack, and Vikram Dalal ” Defect density and dielectric constant in perovskite solar cells” Applied Physics Letters 105, 153502 (2014)

[14] Ashwini N Mallya, Ranjith K, Praveen C Ramamurthy “Conducting polymer–carbon black nanocomposite sensor for volatile organic compounds and correlating sensor response by molecular dynamics” Sensors and Actuators B 201, 308–320 (2014)

[15] Sumeet R. Mishra, K. Ranjith, K.K. Khadija and Praveen C. Ramamurthy “Fabrication of Hollow Microspheres Using Single Step Electrospraying Process” Journal of Research Updates in Polymer Science, 3, 108-113 (2014)

[16] Ajith Thomas, Anju Elsa Tom, Arun D. Rao, K. Arul Varman, K. Ranjith, R. Vinayakan, Praveen C. Ramamurthy,and V. V. Ison “Solvent polarity and nanoscale morphology in bulk heterojunction organic solar cells: A case study” Journal of Applied Physics 115, 104302 (2014)

[17] Monalisa Bai, Sajesh Thomas, Ranjith K, Susanta Nayak, Praveen C Ramamurthy, T N Guru Row “A donor-acceptor-donor structured organic conductor with S…S chalcogen bonding” Crystal Growth and Design, 14, 459-466 (2014)

[18] Prajwal Kumar, S. Saravanan, Ranjith K, Praveen C Ramamurthy “D–A–D-structured conducting polymer-modified electrodes for detection of lead(II) ions in water” J Appl Electrochem., 44:133–139 (2014)

[19] Aashis S Roy, Ranjith K, Praveen C Ramamurthy “Selective detection of nanomolar solution of Cr(III) ion using thiophene derivative” Chemical Sensors, 4: 2, 2014

[20] Ranjith K, Swathi S K, Malavika A, Praveen C Ramamurthy “Random copolymers consisting of dithienylcyclopentadienone, thiophene and benzothiadiazole for bulkheterojunction solar cells” Solar energy materials and solar cells, 105, 263-271 (2012)

[21] Ranjith K, Swathi S K, Prajwal Kumar, Praveen C Ramamurthy “Dithienylcyclopenta dienone derivative-co-benzothiadiazole: An alternating copolymer for organic photovoltaics” Solar Energy Materials and Solar Cells, 98 448-454 (2012)

[22] Swathi S K, Ranjith K, Prajwal Kumar, Praveen C Ramamurthy “Novel thiophene derivative hybrid composite solar cells” Solar Energy Materials and solar cells, 96, 101 107 (2012)

[23] Sumeet R Mishra, Ranjith K, Praveen C. Ramamurthy “Nanostructured barbed wire architecturing by electrospinning conducting polymer blend” Applied Physics Letters 100, 013302 (2012)

[24] Pramod M, Ranjith K, Navakanta Bhat, Gaurab Banerjee, Bharadwaj Amrutur, K N Bhat, Praveen C Ramamurthy “CMOS Gas Sensor Array Platform with Fourier Transform based Impedance Spectroscopy” IEEE Transactions of Circuits and Systems-I, 59,2507-2516 (2012)

[25] Prajwal Kumar, Ranjith K, Satyajit Gupta, Praveen C. Ramamurthy “Electrochemical copolymerization of thiophene derivatives; a precursor to photovoltaic devices” Electrochimica Acta, 56, 8184-8191 (2011)

[26] Ranjith K, Swathi S. K, Prajwal Kumar, Praveen C. Ramamurthy “Pulsed laser deposition film of a donor–acceptor–donor polymer as possible active layer in devices” Journal of Material Science; 46, 2259–2266 (2011)

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