{"id":320,"date":"2016-01-12T16:13:07","date_gmt":"2016-01-12T22:13:07","guid":{"rendered":"http:\/\/www.engineering.iastate.edu\/people\/profile\/ranjith\/"},"modified":"2026-07-11T20:03:30","modified_gmt":"2026-07-12T01:03:30","slug":"ranjith","status":"publish","type":"profile","link":"https:\/\/www.engineering.iastate.edu\/people\/profile\/ranjith\/","title":{"rendered":"Kottokkaran, Ranjith"},"author":308,"template":"","affiliation":[15],"department":[1010,17],"group":[],"interest":[],"class_list":["post-320","profile","type-profile","status-publish","hentry","affiliation-staff","department-coe","department-mrc"],"firstname":"Ranjith","key_research_area":"","netid":"ranjith","isu_title":"Research Scientist Ii [MRC]","email":"ranjith@iastate.edu","external_link":"","hide_isu_title":"0","nickname":"","info":"","middle_name":"","isu_office":"","uid":[],"hide_isu_office":"0","lastname":"Kottokkaran","publications":"

[1] <\/strong>M. I. El-Henawey, Istiaque M. Hossain, Liang Zhang, Behrang Bagheri, Ranjith Kottokkaran<\/strong>, and Vikram L. Dalal \u201cInfluence 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<\/p>

[2]<\/strong> Harshavardhan Gaonkar, Junhao Zhu, Ranjith Kottokkaran<\/strong>, Behrang Bhageri, Max Noack, Vikram Dalal \u201cThermally Stable, Efficient, Vapor Deposited Inorganic Perovskite Solar Cells\u201d ACS Appl. Energy Mater. 2020, 3, 4, 3497\u20133503<\/p>

[3] <\/strong>Behrang Bagheri, Ranjith Kottokkaran<\/strong>, Laila-Parvin Poly, Ben Reichert, Saba Sharikadze, Max Noack, and\u00a0 Vikram Dalal \u201cInfluence of post-deposition selenization and cadmium chloride assisted grain enhancement on electronic properties of cadmium selenide thin films\u201d AIP Advances 9, 125012 (2019)<\/p>

[4]<\/strong> Ranjith Kottokkaran<\/strong>, Harshavardhan A Gaonkar, Hisham A Abbas, Max Noack, Vikram Dalal \u201cPerformance and stability of co-evaporated vapor deposited perovskite solar cells\u201d Journal of Materials Science: Materials in Electronics 1-8 (2019)<\/p>

[5]Ranjith Kottokkaran<\/strong>, Harshavardhan A Gaonkar, Behrang Bagheri, Vikram L Dalal \u201c<\/strong>Efficient p-i-n inorganic CsPbI3 perovskite solar cell deposited using layer-by-layer vacuum deposition\u201d Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 36, 041201 (2018)<\/p>

[6]<\/strong> SK Swathi, K Ranjith<\/strong>, Khadija Kanwal Khanum, Praveen C Ramamurthy \u201cEffect of process optimization on electronic properties of conjugated small molecules\u201d Materials Research Express 5, 086305 (2018)<\/p>

[7] <\/strong>Rahul Singh, Ranjith Kottokkaran<\/strong>, Vikram Dalal, Ganesh Balasubramanian \u201cEngineering Band Gap and Electronic Transport in Organic-Inorganic Halide Perovskites by Superlattices\u201d Nanoscale, 9, 8600 - 8607, (2017)<\/p>

[8]<\/strong> Ranjith Kottokkaran<\/strong>, A Vishnumurthy, Arul Varman Kesavan, NV Vinila, Praveen C Ramamurthy \u201cThienothiophene-benzoxadiazole based conjugated copolymer for organic photovoltaic application\u201d Materials Today Communications 11, 132\u2013138 (2017)<\/p>

[9]<\/strong> Pranav H. Joshi, Liang Zhang, Istiaque M. Hossain, Hisham A. Abbas, Ranjith Kottokkaran<\/strong>, Satyapal P.Nehra, Mahendra Dhaka, Max Noack, and Vikram L. Dalal \u201cThe physics of photon induced degradation of perovskite solar cells\u201d AIP Advances 6, 115114 (2016)<\/p>

[10] <\/strong>Brian Maynard, Qi Long, Eric A Schiff, Mengjin Yang, Kai Zhu, Ranjith Kottokkaran<\/strong>, Hisham Abbas, Vikram L Dalal \u201cElectron and hole drift mobility measurements on methylammonium lead iodide perovskite solar cells\u201d Appl. Phys. Lett. 108, 173505 (2016)<\/p>

[11] <\/strong>Ganapathy Balaji, Pranav H. Joshi , Hisham A. Abbas , Liang Zhang , Ranjith Kottokkaran<\/strong>, Mehran Samiee , Max Noack\u00a0 and Vikram L. Dalal \u201cCH3NH3PbI3 from non-iodide lead salts for perovskite solar cells via the formation of PbI2\u201d Phys. Chem. Chem. Phys.,17, 10369-10372 (2015)<\/p>

[12] <\/strong>Hisham A. Abbas, Ranjith Kottokkaran<\/strong>, Balaji Ganapathy, Mehran Samiee, Liang Zhang,<\/p>

Andrew Kitahara, Max Noack and Vikram L. Dalal \u201cHigh Efficiency Sequentially Vapor Grown n-i-p CH3NH3PbI3 Perovskite Solar Cells with Undoped P3HT as p-type Heterojunction Layer\u201d APL Mater. 3, 016105 (2015)<\/p>

[13] <\/strong>Mehran Samiee, Siva Konduri, Balaji Ganapathy, Ranjith Kottokkaran<\/strong>, Hisham A. Abbas, Andrew Kitahara,Pranav Joshi, Liang Zhang, Max Noack, and Vikram Dalal \u201d Defect density and dielectric constant in perovskite solar cells\u201d Applied Physics Letters 105, 153502 (2014)<\/p>

[14] <\/strong>Ashwini N Mallya, Ranjith K<\/strong>, Praveen C Ramamurthy \u201cConducting polymer\u2013carbon black nanocomposite sensor for volatile organic compounds and correlating sensor response by molecular dynamics\u201d Sensors and Actuators B 201, 308\u2013320 (2014)<\/p>

[15] <\/strong>Sumeet R. Mishra, K. Ranjith<\/strong>, K.K. Khadija and Praveen C. Ramamurthy \u201cFabrication of Hollow Microspheres Using Single Step Electrospraying Process\u201d Journal of Research Updates in Polymer Science, 3, 108-113 (2014)<\/p>

[16] <\/strong>Ajith Thomas, Anju Elsa Tom, Arun D. Rao, K. Arul Varman, K. Ranjith<\/strong>, R. Vinayakan, Praveen C. Ramamurthy,and V. V. Ison \u201cSolvent polarity and nanoscale morphology in bulk heterojunction organic solar cells: A case study\u201d Journal of Applied Physics 115, 104302 (2014)<\/p>

[17] <\/strong>Monalisa Bai, Sajesh Thomas, Ranjith K<\/strong>, Susanta Nayak, Praveen C Ramamurthy, T N Guru Row \u201cA donor-acceptor-donor structured organic conductor with S...S chalcogen bonding\u201d Crystal Growth and Design, 14, 459-466 (2014)<\/p>

[18]<\/strong> Prajwal Kumar, S. Saravanan, Ranjith K<\/strong>, Praveen C Ramamurthy \u201cD\u2013A\u2013D-structured conducting polymer-modi\ufb01ed electrodes for detection of lead(II) ions in water\u201d J Appl Electrochem., 44:133\u2013139 (2014)<\/p>

[19] <\/strong>Aashis S Roy, Ranjith K<\/strong>, Praveen C Ramamurthy \u201cSelective detection of nanomolar solution of Cr(III) ion using thiophene derivative\u201d Chemical Sensors, 4: 2, 2014<\/p>

[20]<\/strong> Ranjith K<\/strong>, Swathi S K, Malavika A, Praveen C Ramamurthy \u201cRandom copolymers consisting of dithienylcyclopentadienone, thiophene and benzothiadiazole for bulkheterojunction solar cells\u201d Solar energy materials and solar cells, 105, 263-271 (2012)<\/p>

[21]<\/strong> Ranjith K<\/strong>, Swathi S K, Prajwal Kumar, Praveen C Ramamurthy \u201cDithienylcyclopenta dienone derivative-co-benzothiadiazole: An alternating copolymer for organic photovoltaics\u201d Solar Energy Materials and Solar Cells, 98 448-454 (2012)<\/p>

[22] <\/strong>Swathi S K, Ranjith K<\/strong>, Prajwal Kumar, Praveen C Ramamurthy \u201cNovel thiophene derivative hybrid composite solar cells\u201d Solar Energy Materials and solar cells, 96, 101 107 (2012)<\/p>

[23]<\/strong> Sumeet R Mishra, Ranjith K<\/strong>, Praveen C. Ramamurthy \u201cNanostructured barbed wire architecturing by electrospinning conducting polymer blend\u201d Applied Physics Letters 100, 013302 (2012)<\/p>

[24]<\/strong> Pramod M, Ranjith K<\/strong>, Navakanta Bhat, Gaurab Banerjee, Bharadwaj Amrutur, K N Bhat, Praveen C Ramamurthy \u201cCMOS Gas Sensor Array Platform with Fourier Transform based Impedance Spectroscopy\u201d IEEE Transactions of Circuits and Systems-I, 59,2507-2516 (2012)<\/p>

[25]<\/strong> Prajwal Kumar, Ranjith K<\/strong>, Satyajit Gupta, Praveen C. Ramamurthy \u201cElectrochemical copolymerization of thiophene derivatives; a precursor to photovoltaic devices\u201d Electrochimica Acta, 56, 8184-8191 (2011)<\/p>

[26]<\/strong> Ranjith K<\/strong>, Swathi S. K, Prajwal Kumar, Praveen C. Ramamurthy \u201cPulsed laser deposition film of a donor\u2013acceptor\u2013donor polymer as possible active layer in devices\u201d Journal of Material Science; 46, 2259\u20132266 (2011)<\/p>","user_image":{"ID":"5802","post_author":"2106","post_date":"2022-01-25 12:26:49","post_date_gmt":"2022-01-25 18:26:49","post_content":"","post_title":"photo-final-1","post_excerpt":"","post_status":"inherit","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"photo-final-1","to_ping":"","pinged":"","post_modified":"2022-01-25 12:26:49","post_modified_gmt":"2022-01-25 18:26:49","post_content_filtered":"","post_parent":"320","guid":"https:\/\/www.engineering.iastate.edu\/people\/files\/2022\/01\/photo-final-1.jpeg","menu_order":"0","post_type":"attachment","post_mime_type":"image\/jpeg","comment_count":"0","pod_item_id":"5802"},"user_title":"","phone_number":"","fax":"","office":"","_links":{"self":[{"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/profile\/320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/profile"}],"about":[{"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/types\/profile"}],"author":[{"embeddable":true,"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/users\/308"}],"version-history":[{"count":5,"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/profile\/320\/revisions"}],"predecessor-version":[{"id":17056,"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/profile\/320\/revisions\/17056"}],"wp:attachment":[{"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/media?parent=320"}],"wp:term":[{"taxonomy":"affiliation","embeddable":true,"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/affiliation?post=320"},{"taxonomy":"department","embeddable":true,"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/department?post=320"},{"taxonomy":"group","embeddable":true,"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/group?post=320"},{"taxonomy":"interest","embeddable":true,"href":"https:\/\/www.engineering.iastate.edu\/people\/wp-json\/wp\/v2\/interest?post=320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}