Ramakrishnan Rajagopalan

    • 1337 Citations
    • 21 h-Index
    20002020

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    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

    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
    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

    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

    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
    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
    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

    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

    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
    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

    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

    Synthesis of boron/nitrogen substituted carbons for aqueous asymmetric capacitors

    Tomko, T., Rajagopalan, R., Aksoy, P. & Foley, H. C., Jun 1 2011, In : Electrochimica Acta. 56, 15, p. 5369-5375 7 p.

    Research output: Contribution to journalArticle

    22 Scopus citations
    2010

    Chemical stability of glass with an ultra-thin disordered carbon coating

    Lee, H., Rajagopalan, R. & Pantano, C. G., Feb 15 2010, In : Journal of Non-Crystalline Solids. 356, 4-5, p. 263-269 7 p.

    Research output: Contribution to journalArticle

    1 Scopus citations

    Effect of pyrolysis temperature on the microstructure of disordered carbon nanowires

    Samuel, B. A., Rajagopalan, R., Foley, H. C. & Haque, M. A., Oct 29 2010, In : Thin Solid Films. 519, 1, p. 91-95 5 p.

    Research output: Contribution to journalArticle

    7 Scopus citations

    Effects of interfacial modifications on electrical properties of laminar composite dielectrics

    Tewari, P., Rajagopalan, R., Furman, E. & Lanagan, M. T., Dec 21 2010, In : Langmuir. 26, 24, p. 18817-18823 7 p.

    Research output: Contribution to journalArticle

    4 Scopus citations

    Elastic Properties of 4-6 nm-thick Glassy Carbon Thin Films

    Manoharan, M. P., Lee, H., Rajagopalan, R., Foley, H. C. & Haque, M. A., Jan 2010, In : Nanoscale Research Letters. 5, 1, p. 14-19 6 p.

    Research output: Contribution to journalArticle

    23 Scopus citations

    Room temperature amorphous to nanocrystalline transformation in ultra-thin films under tensile stress: An in situ TEM study

    Manoharan, M. P., Kumar, S., Haque, M. A., Rajagopalan, R. & Foley, H. C., Dec 17 2010, In : Nanotechnology. 21, 50, 505707.

    Research output: Contribution to journalArticle

    7 Scopus citations
    2009

    Control of interfaces on electrical properties of SiO2-Parylene-C laminar composite dielectrics

    Tewari, P., Rajagopalan, R., Furman, E. & Lanagan, M. T., Apr 1 2009, In : Journal of Colloid And Interface Science. 332, 1, p. 65-73 9 p.

    Research output: Contribution to journalArticle

    16 Scopus citations

    High temperature rearrangement of disordered nanoporous carbon at the interface with single wall carbon nanotubes

    Yi, B., Rajagopalan, R., Burket, C. L., Foley, H. C., Liu, X. & Eklund, P. C., Aug 2009, In : Carbon. 47, 10, p. 2303-2309 7 p.

    Research output: Contribution to journalArticle

    10 Scopus citations

    Processing and characterization of ultrathin carbon coatings on glass

    Lee, H., Rajagopalan, R., Robinson, J. A. & Pantano, C. G., Apr 29 2009, In : ACS Applied Materials and Interfaces. 1, 4, p. 927-933 7 p.

    Research output: Contribution to journalArticle

    19 Scopus citations

    Surface initiated growth of poly(ethyl 2-cyanoacrylate) nanofibers on surface-modified glass substrates

    Mankidy, P. J., Rajagopalan, R., Pantano, C. G. & Foley, H. C., Mar 10 2009, In : Chemistry of Materials. 21, 5, p. 831-842 12 p.

    Research output: Contribution to journalArticle

    7 Scopus citations
    2008

    Influence of initiators on the growth of poly(ethyl 2-cyanoacrylate) nanofibers

    Mankidy, P. J., Rajagopalan, R. & Foley, H. C., Apr 29 2008, In : Polymer. 49, 9, p. 2235-2242 8 p.

    Research output: Contribution to journalArticle

    16 Scopus citations

    Overcoming the barrier to graphitization in a polymer-derived nanoporous carbon

    Burket, C. L., Rajagopalan, R. & Foley, H. C., Mar 2008, In : Carbon. 46, 3, p. 501-510 10 p.

    Research output: Contribution to journalArticle

    46 Scopus citations