Ramakrishnan Rajagopalan

    • 1337 Citations
    • 21 h-Index
    20002020

    Research output per year

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    Research Output

    2020

    Broad temperature dependence, high conductivity, and structure-property relations of cold sintering of LLZO-based composite electrolytes

    Seo, J. H., Nakaya, H., Takeuchi, Y., Fan, Z., Hikosaka, H., Rajagopalan, R., Gomez, E. D., Iwasaki, M. & Randall, C. A., 2020, (Accepted/In press) In : Journal of the European Ceramic Society. 40, 15, p. 6241-6248 8 p.

    Research output: Contribution to journalArticle

    High field dielectric properties of clay filled silicone rubber composites

    Sarkarat, M., Lanagan, M., Ghosh, D., Lottes, A., Budd, K. & Rajagopalan, R., Jun 2020, In : Materials Today Communications. 23, 100947.

    Research output: Contribution to journalArticle

    1 Scopus citations

    Prediction of Discharge Performances of Pseudocapacitors Using Their Impedance Characteristics

    Hasyim, M. R. & Rajagopalan, R., Jan 1 2020, In : Journal of the Electrochemical Society. 167, 1, 013536.

    Research output: Contribution to journalArticle

    Open Access

    Thermally Stable Low-Loss Polymer Dielectrics Enabled by Attaching Cross-Linkable Antioxidant to Polypropylene

    Yuan, M., Zhang, G., Li, B., Chung, T. C. M., Rajagopalan, R. & Lanagan, M. T., Mar 25 2020, In : ACS Applied Materials and Interfaces. 12, 12, p. 14154-14164 11 p.

    Research output: Contribution to journalArticle

    2019

    Bimodal porous carbon cathode and prelithiated coalesced carbon onion anode for ultrahigh power energy efficient lithium ion capacitors

    Aref, A. R., Chen, S. W., Rajagopalan, R. & Randall, C., Nov 2019, In : Carbon. 152, p. 89-97 9 p.

    Research output: Contribution to journalArticle

    6 Scopus citations

    CNT flexible membranes for energy storage and conversion systems

    Adu, K., Rajagopalan, R., Kaschalk, C. & Randall, C., Jun 1 2019, In : MRS Communications. 9, 2, p. 670-674 5 p.

    Research output: Contribution to journalArticle

    2 Scopus citations

    Electric Field Assisted Transport of the Crosslinking Byproducts in Low-Density Polyethylene

    Hamedi, H., Walker, R. C., Rajagopalan, R., Furman, E., Lanagan, M. & Woodward, W. H. H., Oct 2019, 2019 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 430-433 4 p. 9009729. (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP; vol. 2019-October).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    High electrical reliability glass-polymer laminates

    Yuan, M., Rajagopalan, R., Lanagan, M. & Zhang, S., Jun 2019, In : IEEE Transactions on Dielectrics and Electrical Insulation. 26, 3, p. 885-889 5 p., 8726037.

    Research output: Contribution to journalArticle

    1 Scopus citations

    Synthesis of V-MoS2 Layered Alloys as Stable Li-Ion Battery Anodes

    Lei, Y., Fujisawa, K., Zhang, F., Briggs, N., Aref, A. R., Yeh, Y. T., Lin, Z., Robinson, J. A., Rajagopalan, R. & Terrones, M., Dec 23 2019, In : ACS Applied Energy Materials. 2, 12, p. 8625-8632 8 p.

    Research output: Contribution to journalArticle

    1 Scopus citations

    Thermally Stimulated Depolarization Current Analysis of Stored Charge in LDPE and XLPE

    Walker, R. C., Hamedi, H., Rajagopalan, R., Lanagan, M. & Woodward, W. H. H., Oct 2019, 2019 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 422-425 4 p. 9009651. (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP; vol. 2019-October).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2018
    8 Scopus citations
    1 Scopus citations

    Cold sintering approach to fabrication of high rate performance binderless LiFePO4 cathode with high volumetric capacity

    Seo, J. H., Verlinde, K., Guo, J., Heidary, D. S. B., Rajagopalan, R., Mallouk, T. E. & Randall, C. A., Mar 15 2018, In : Scripta Materialia. 146, p. 267-271 5 p.

    Research output: Contribution to journalArticle

    18 Scopus citations

    Cold Sintering of a Covalently Bonded MoS2/Graphite Composite as a High Capacity Li–Ion Electrode

    Nayir, S., Waryoba, D. R., Rajagopalan, R., Arslan, C. & Randall, C. A., Oct 2018, In : ChemNanoMat. 4, 10, p. 1088-1094 7 p.

    Research output: Contribution to journalArticle

    5 Scopus citations

    Flexible robust binder-free carbon nanotube membranes for solid state and microcapacitor application

    Adu, K., Ma, D., Wang, Y., Spencer, M., Rajagopalan, R., Wang, C. Y. & Randall, C., Jan 19 2018, In : Nanotechnology. 29, 3, 035605.

    Research output: Contribution to journalArticle

    3 Scopus citations

    High-Voltage Stability of Ionic-Liquid-Based Electrochemical Double Layer Capacitors with a Bimodal Porous Carbon Electrode

    Aref, A. R., Rajagopalan, R. & Randall, C. A., Nov 13 2018, In : ChemElectroChem. 5, 22, p. 3460-3467 8 p.

    Research output: Contribution to journalArticle

    2 Scopus citations

    Impact of Crosslinking on the Dielectric Loss and Temperature Coefficient of Capacitance of Polyethylene

    Walker, R., Hamedi, H., Rajagopalan, R., Lanagan, D. M. & Woodward, D. W. H. H., Sep 19 2018, 2018 IEEE 2nd International Conference on Dielectrics, ICD 2018. Institute of Electrical and Electronics Engineers Inc., 8470047. (2018 IEEE 2nd International Conference on Dielectrics, ICD 2018).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Microstructures and electrical properties of V2O5 and carbon-nanofiber composites fabricated by cold sintering process

    Heidary, D. S. B., Guo, J., Seo, J. H., Guo, H., Rajagopalan, R. & Randall, C. A., Feb 2018, In : Japanese Journal of Applied Physics. 57, 2, 025702.

    Research output: Contribution to journalArticle

    8 Scopus citations
    2017

    Cold sintering of a Li-ion cathode: LiFePO4-composite with high volumetric capacity

    Seo, J. H., Guo, J., Guo, H., Verlinde, K., Heidary, D. S. B., Rajagopalan, R. & Randall, C. A., Dec 1 2017, In : Ceramics International. 43, 17, p. 15370-15374 5 p.

    Research output: Contribution to journalArticle

    25 Scopus citations

    Electrocapacitive desalination of brackish water using biochars

    Sengupta, A., Ramakrishnan, R. & Wal, R. L. V., Jan 1 2017, Materials for Energy, Efficiency and Sustainability - TechConnect Briefs 2017. Romanowicz, B., Case, F., Laudon, M. & Case, F. (eds.). TechConnect, p. 251-252 2 p. (Advanced Materials - TechConnect Briefs 2017; vol. 2).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Enhanced mechanical stability of high temperature ultra-thin glass/polymer composite dielectrics

    Sarkarat, M., Rajagopalan, R., Zhang, S. & Lanagan, M., Dec 1 2017, In : Materials Letters. 208, p. 10-13 4 p.

    Research output: Contribution to journalArticle

    2 Scopus citations

    High Power Interdigitated Carbon Nanotube Based Micro-Capacitors

    Spencer, M., Adu, K., Rajagopalan, R. & Randall, C., Jan 1 2017, In : MRS Advances. 2, 7, p. 413-418 6 p.

    Research output: Contribution to journalArticle

    Intrinsic limitations of atomic layer deposition for pseudocapacitive metal oxides in porous electrochemical capacitor electrodes

    Daubert, J. S., Wang, R., Ovental, J. S., Barton, H. F., Rajagopalan, R., Augustyn, V. & Parsons, G. N., Jan 1 2017, In : Journal of Materials Chemistry A. 5, 25, p. 13086-13097 12 p.

    Research output: Contribution to journalArticle

    11 Scopus citations
    5 Scopus citations
    2016

    High field dielectric properties of polymer-glass laminate

    Yuan, M., Zhang, S., Rajagopalan, R. & Lanagan, M., Dec 15 2016, 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016. Institute of Electrical and Electronics Engineers Inc., p. 474-477 4 p. 7785664. (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP; vol. 2016-December).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2015

    Enhanced ammonia adsorption on functionalized nanoporous carbons

    Qajar, A., Peer, M., Andalibi, M. R., Rajagopalan, R. & Foley, H. C., Jul 20 2015, In : Microporous and Mesoporous Materials. 218, p. 15-23 9 p.

    Research output: Contribution to journalArticle

    32 Scopus citations

    Synthesis and characterization of boron substituted carbon deposits on PFA-derived carbon substrates for hydrogen adsorption

    Qajar, A., Holbrook, B. M., Peer, M., Rajagopalan, R., Foley, H. C., Davis, M. & Mueller, K. T., Aug 1 2015, In : Carbon. 89, p. 392-403 12 p.

    Research output: Contribution to journalArticle

    2 Scopus citations
    2014

    Architecturing carbon nanotube-based flexible solid state supercapacitor

    Adu, K., Ma, D., Rajagopalan, R. & Randall, C., Jan 1 2014, Technical Proceedings of the 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014. Nano Science and Technology Institute, p. 464-467 4 p. (Technical Proceedings of the 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014; vol. 3).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    10 Scopus citations

    On the effects of confinement within a catalyst consisting of platinum embedded within nanoporous carbon for the hydrogenation of alkenes

    Peer, M., Qajar, A., Rajagopalan, R. & Foley, H. C., Jan 2014, In : Carbon. 66, p. 459-466 8 p.

    Research output: Contribution to journalArticle

    9 Scopus citations

    Role of additives in formation of solid-electrolyte interfaces on carbon electrodes and their effect on high-voltage stability

    Qu, W., Dorjpalam, E., Rajagopalan, R. & Randall, C. A., Apr 2014, In : ChemSusChem. 7, 4, p. 1162-1169 8 p.

    Research output: Contribution to journalArticle

    14 Scopus citations

    Solar powered wrist worn acquisition system for continuous photoplethysmogram monitoring

    Dieffenderfer, J. P., Beppler, E., Novak, T., Whitmire, E., Jayakumar, R., Randall, C., Qu, W., Rajagopalan, R. & Bozkurt, A., Nov 2 2014, 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014. Institute of Electrical and Electronics Engineers Inc., p. 3142-3145 4 p. 6944289. (2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    10 Scopus citations

    Synthesis of carbon with bimodal porosity by simultaneous polymerization of furfuryl alcohol and phloroglucinol

    Peer, M., Qajar, A., Rajagopalan, R. & Foley, H. C., Sep 15 2014, In : Microporous and Mesoporous Materials. 196, p. 235-242 8 p.

    Research output: Contribution to journalArticle

    8 Scopus citations

    Synthesis of electro-active manganese oxide thin films by plasma enhanced chemical vapor deposition

    Merritt, A. R., Rajagopalan, R. & Carter, J. D., Apr 1 2014, In : Thin Solid Films. 556, p. 28-34 7 p.

    Research output: Contribution to journalArticle

    18 Scopus citations
    33 Scopus citations
    2013

    Characterization of micro- and mesoporous materials using accelerated dynamics adsorption

    Qajar, A., Peer, M., Rajagopalan, R. & Foley, H. C., Oct 8 2013, In : Langmuir. 29, 40, p. 12400-12409 10 p.

    Research output: Contribution to journalArticle

    5 Scopus citations

    Enhanced performance of symmetric double layer capacitor by flexible binder-free SWCNT membrane electrodes

    Ma, D., Kalupson, J., Shetty, P., Adu, K. & Rajagopalan, R., Jan 1 2013, Carbon Nanomaterials. Materials Research Society, p. 63-68 6 p. (Materials Research Society Symposium Proceedings; vol. 1505).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Localized crystallization of polyfurfuryl alcohol derived carbon by alkali metals

    McNamara, K. W., Ayyappan, P., Rajagopalan, R., Chen, J. G. & Foley, H. C., May 2013, In : Carbon. 56, p. 109-120 12 p.

    Research output: Contribution to journalArticle

    7 Scopus citations

    Molecular sieving carbon catalysts for liquid phase reactions: Study of alkene hydrogenation using platinum embedded nanoporous carbon

    Holbrook, B. P. M., Rajagopalan, R., Dronvajjala, K., Choudhary, Y. K. & Foley, H. C., Jan 1 2013, In : Journal of Molecular Catalysis A: Chemical. 367, p. 61-68 8 p.

    Research output: Contribution to journalArticle

    8 Scopus citations

    On the effects of emulsion polymerization of furfuryl alcohol on the formation of carbon spheres and other structures derived by pyrolysis of polyfurfuryl alcohol

    Peer, M., Qajar, A., Rajagopalan, R. & Foley, H. C., Jan 2013, In : Carbon. 51, 1, p. 85-93 9 p.

    Research output: Contribution to journalArticle

    31 Scopus citations

    Platinum embedded within carbon nanospheres for shape selective liquid phase hydrogenation

    Peer, M., Qajar, A., Holbrook, B. P. M., Rajagopalan, R. & Foley, H. C., Jun 2013, In : Carbon. 57, p. 485-497 13 p.

    Research output: Contribution to journalArticle

    9 Scopus citations

    Preparation and characterization of ultrathin free-standing carbon films

    Lee, H. & Rajagopalan, R., Jan 1 2013, In : Journal of the Korean Physical Society. 63, 10, p. 1859-1863 5 p.

    Research output: Contribution to journalLetter

    1 Scopus citations

    Surface compression of light adsorbates inside microporous PFA-derived carbons

    Qajar, A., Peer, M., Rajagopalan, R., Liu, Y., Brown, C. & Foley, H. C., Aug 2013, In : Carbon. 60, p. 538-549 12 p.

    Research output: Contribution to journalLetter

    7 Scopus citations
    2012

    High pressure hydrogen adsorption apparatus: Design and error analysis

    Qajar, A., Peer, M., Rajagopalan, R. & Foley, H. C., Jun 2012, In : International Journal of Hydrogen Energy. 37, 11, p. 9123-9136 14 p.

    Research output: Contribution to journalArticle

    17 Scopus citations

    Selective adsorption of nitrate esters with nanostructured carbons

    Merritt, A. R., Rajagopalan, R. & Trivedi, N. J., Jan 1 2012, In : RSC Advances. 2, 32, p. 12298-12304 7 p.

    Research output: Contribution to journalArticle

    6 Scopus citations
    2011

    Dynamics of high pressure gas adsorption on carbon based adsorbents and its application in separation processes

    Qajar, A., Peer, M., Rajagopalan, R. & Foley, H. C., Jan 1 2011, Separations Division - Core Programming Topic at the 2011 AIChE Annual Meeting. AIChE, p. 966-967 2 p. (Separations Division - Core Programming Topic at the 2011 AIChE Annual Meeting; vol. 2).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Dynamics of high pressure gas adsorption on carbon based adsorbents and its application in separation processes

    Qajar, A., Peer, M., Rajagopalan, R. & Foley, H. C., Dec 1 2011, 11AIChE - 2011 AIChE Annual Meeting, Conference Proceedings.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    High energy density capacitor using coal tar pitch derived nanoporous carbon/MnO2 electrodes in aqueous electrolytes

    Tomko, T., Rajagopalan, R., Lanagan, M. T. & Foley, H. C., Feb 15 2011, In : Journal of Power Sources. 196, 4, p. 2380-2386 7 p.

    Research output: Contribution to journalArticle

    46 Scopus citations