Patents

Hersam Group Issued Patents

[81] “Anhydrous liquid-phase exfoliation of pristine electrochemically-active GeS nanosheets,” D. Lam, K.-S. Chen, J. Kang, and M. C. Hersam, U.S. Patent #11,876,168 issued 2/27/24.

[80] “Nanostructured lithium-ion battery electrode composite materials via conformal graphene dispersion,” K.-S. Chen, E. B. Secor, and M. C. Hersam, U.S. Patent #11,876,168 issued 1/16/24.

[79] “Two-dimensional semiconductor based printable optoelectronic inks, fabricating methods and applications of same” J.-W. T. Seo, J. Zhu, and M. C. Hersam, U.S. Patent #11,830,735 issued 11/28/23.

[78] “Carbon-titania nanocomposite thin films and applications of the same,” Y. T. Liang, B. K. Vijayan, K. A. Gray, and M. C. Hersam, U.S. Patent #11,676,773 issued 6/13/23.

[77] “Optoelectronically-active two-dimensional indium selenide and related layered materials via surfactant-free deoxygenated co-solvent processing,” J. Kang and M. C. Hersam, U.S. Patent #11,629,053 issued 4/18/23.

[76] “Monodisperse single-walled carbon nanotube populations and related methods for providing same,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, U.S. Patent #11,608,269 issued 3/21/23.

[75] “Identification and optimization of carbon radicals on hydrated graphene oxide for ubiquitous antibacterial coatings,” R. Li, N. D. Mansukhani, L. M. Guiney, M. C. Hersam, T. Xia, and A. E. Nel, U.S. Patent #11,208,330 issued 12/28/21.

[74] “Methods of making non-covalently bonded carbon-titania nanocomposite thin films and applications of the same,” Y. T. Liang, B. K. Vijayan, K. A. Gray, and M. C. Hersam, U.S. Patent #11,195,667 issued 12/7/21.

[73] “Nanostructured lithium-ion battery electrode composite materials via conformal graphene dispersion,” K.-S. Chen, E. B. Secor, and M. C. Hersam, U.S. Patent #11,088,392 issued 8/10/21.

[72] “Conductive graphene interfacial barriers for liquid metal electronics,” E. B. Secor, A. B. Cook, C. E. Tabor, and M. C. Hersam, U.S. Patent #11,057,994 issued 7/6/21.

[71] “Graphene oxide mediated cellular delivery of gadolinium-labeled molecules,” H.-H. Hung, T. J. Meade, and M. C. Hersam, U.S. Patent #10,994,016 issued 5/4/21.

[70] “Electronically abrupt borophene/organic lateral heterostructures and preparation thereof,” X. Liu and M. C. Hersam, U.S. Patent #10,954,132 issued 3/23/21.

[69] “Thermally activated memristors, fabricating methods and applications of same,” V. K. Sangwan and M. C. Hersam, U. S. Patent #10,944,047 issued 3/9/21.

[68] “Composition comprising optically and electronically active phosphorene,” J. Kang, J. D. Wood, and M. C. Hersam, U.S. Patent #10,906,811 issued 2/2/21.

[67] “Borophenes, boron layer allotropes and methods of preparation,” A. J. Mannix, J. D. Wood, B. T. Kiraly, B. L. Fisher, N. P. Guisinger, and M. C. Hersam, U.S. Patent #10,829,381 issued 11/10/20. 

[66] “Methods for preparation of concentrated graphene ink compositions and related composite materials,” E. B. Secor, Y. T. Liang, P. L. Prabhumirashi, K. P. Puntambekar, M. L. Geier, and M. C. Hersam, U. S. Patent #10,800,939 issued 10/13/20.

[65] “System and method for anti-ambipolar heterojunctions from solution-processed semiconductors,” D. M. Jariwala, V. K. Sangwan, W. Xu, H. Kim, T. J. Marks, and M. C. Hersam, U.S. Patent #10,784,848 issued 9/22/20.

[64] “Graphene-coated metal oxide spinel cathodes,” L. Jaber-Ansari, K. P. Puntambekar, M. M. Thackeray, and M. C. Hersam, U.S. Patent #10,749,170 issued 8/18/20.

[63] “System and method for nanowire-array transverse thermoelectrics,” C. Zhou, Y. Tang, T. A. Shastry, M. C. Hersam, and M. Grayson, U.S. Patent #10,720,560 issued 7/21/20.

[62] “Sorting process of nanoparticles and applications of same,” T. P. Tyler, A.-I. Henry, R. P. Van Duyne, and M. C. Hersam, U.S. Patent #10,717,647 issued 7/21/20.

[61] “Borophenes, boron layer allotropes and methods of preparation,” A. J. Mannix, J. D. Wood, B. T. Kiraly, B. L. Fisher, N. P. Guisinger, and M. C. Hersam, U.S. Patent #10,703,637 issued 7/7/20.

[60] “Layer-by-layer sorting of rhenium disulfide via high-density isopycnic density gradient ultracentrifugation,” J. Kang and M. C. Hersam, U.S. Patent #10,702,803 issued 7/7/20.

[59] “Methods for preparation of concentrated graphene ink compositions and related composite materials,” E. B. Secor, Y. T. Liang, P. L. Prabhumirashi, K. P. Puntambekar, M. L. Geier, and M. C. Hersam, U. S. Patent #10,676,629 issued 6/9/20.

[58] “System and method for complementary V_T-drop ambipolar carbon nanotube logic,” J. S. Friedman, M. L. Geier, M. C. Hersam, and A. V. Sahakian, U.S. Patent #10,594,319 issued 3/17/20.

[57] “Methods for preparation of concentrated graphene ink compositions and related composite materials,” E. B. Secor, Y. T. Liang, P. L. Prabhumirashi, K. P. Puntambekar, B. Y. Ahn, M. L. Geier, J. A. Lewis, and M. C. Hersam, U. S. Patent #10,590,294 issued 3/17/20.

[56] “Methods for sorting nanotubes by electronic type,” A. A. Green and M. C. Hersam, U.S. Patent #10,569,197 issued 2/25/20.

[55] “Electronically abrupt borophene/organic lateral heterostructures and preparation thereof,” X. Liu and M. C. Hersam, U.S. Patent #10,550,003 issued 2/4/20.

[54] “Methods for preparation of concentrated graphene compositions and related composite materials,” Y. T. Liang and M. C. Hersam, U.S. Patent #10,494,536 issued 12/3/19.

[53] “System and method for anti-ambipolar heterojunctions from solution-processed semiconductors,” D. M. Jariwala, V. K. Sangwan, W. Xu, H. Kim, T. J. Marks, and M. C. Hersam, U.S. Patent #10,491,206 issued 11/26/19.

[52] “High-resolution patterning of graphene by screen and gravure printing for highly flexible printed electronics,” E. B. Secor, S. Lim, C. D. Frisbie, L. F. Francis, and M. C. Hersam, U.S. Patent #10,479,905 issued 11/19/19.

[51] “Hybrid silicon lasers and amplifiers with 2D phosphorene film,” C. Husko, J. R. Guest, M. C. Hersam, J. Kang, J. D. Wood, and X. Checoury, U. S. Patent #10,374,385 issued 8/6/19.

[50] “Functionalization of carbon nanotubes with metallic moieties,” G. N. Ostojic and M. C. Hersam, U.S. Patent #10,384,935 issued 8/20/19.

[49] “Graphene-based ink compositions for three-dimensional printing applications,” A. E. Jakus, E. B. Secor, M. C. Hersam, and R. N. Shah, U.S. Patent #10,350,329 issued 7/16/19.

[48] “Stable aqueous dispersions of optically and electronically active phosphorene,” J. Kang, J. D. Wood, and M. C. Hersam, U.S. Patent #10,343,909 issued 7/9/19.

[47] “Enhanced conductivity, adhesion, and environmental stability of printed graphene inks with nitrocellulose,” E. B. Secor, T. Z. Gao, and M. C. Hersam, U.S. Patent #10,280,317 issued 5/7/19.

[46] “Methods for sorting nanotubes by wall number,” A. A. Green and M. C. Hersam, U.S. Patent #10,265,646 issued 4/23/19.

[45] “Sorting two-dimensional nanomaterials by thickness,” A. A. Green and M. C. Hersam, U.S. Patent #10,179,841 issued 1/15/19.

[44] “Separation of single-walled carbon nanotubes by electronic type using block copolymers,” A. L. Antaris, A. A. Green, and M. C. Hersam, U.S. Patent #10,037,832 issued 7/31/18.

[43] “Methods for preparation of concentrated graphene compositions and related composite materials,” Y. T. Liang and M. C. Hersam, U.S. Patent #10,030,161 issued 7/24/18.

[42] “Gate-tunable p-n heterojunction diode, and fabrication method and application of same,” D. M. Jariwala, V. K. Sangwan, and M. C. Hersam, U.S. Patent #9,972,799 issued 5/15/18.

[41] “Ultralow power carbon nanotube logic circuits and method of making same,” M. L. Geier, P. L. Prabhumirashi, W. Xu, H. Kim, and M. C. Hersam, U.S. Patent #9,947,724 issued 4/17/18.

[40] “System and method for anti-ambipolar heterojunctions from solution-processed semiconductors,” D. M. Jariwala, V. K. Sangwan, W. Xu, H. Kim, T. J. Marks, and M. C. Hersam, U.S. Patent #9,929,725 issued 3/27/18.

[39] “Monodisperse single-walled carbon nanotube populations and related methods for providing same,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, U.S. Patent #9,926,195 issued 3/27/18.

[38] “Monodisperse single-walled carbon nanotube populations and related methods for providing same,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, Taiwanese Patent #1,617,506 issued 3/11/18.

[37] “Methods for preparation of concentrated graphene ink compositions and related composite materials,” E. B. Secor, Y. T. Liang, P. L. Prabhumirashi, K. P. Puntambekar, B. Y. Ahn, J. A. Lewis, and M. C. Hersam, U. S. Patent #9,902,866 issued 2/27/18.

[36] “Sorting two-dimensional nanomaterials by thickness,” J. Zhu, A.A. Green, and M. C. Hersam, U.S. Patent #9,890,043 issued 2/13/18.

[35] “High-resolution patterning of graphene by screen and gravure printing for highly flexible printed electronics,” E. B. Secor, S. Lim, W. J. Hyun, C. D. Frisbie, L. F. Francis, and M. C. Hersam, U.S. Patent #9,840,634 issued 12/12/17.

[34] “Methods for preparation of concentrated graphene ink compositions and related composite materials,” E. B Secor, P. L. Prabhumirashi, K. P. Puntambekar, M. L. Geier, Y. T. Liang, and M. C. Hersam, U.S. Patent #9,834,693 issued 12/5/17.

[33] “Sorting process of nanoparticles and applications of same,” T. P. Tyler, A.-I. Henry, R. P. Van Duyne, and M. C. Hersam, U.S. Patent #9,802,818 issued 10/31/17.

[32] “Ultralow power carbon nanotube logic circuits and method of making same,” M. L. Geier, P. L. Prabhumirashi, W. Xu, H. Kim, and M. C. Hersam, U.S. Patent #9,613,879 issued 4/4/17.

[31] “Gate-tunable atomically-thin memristors and methods for preparing same and applications of same,” V. K. Sangwan, D. M. Jariwala, I. S. Kim, T. J. Marks, L. J. Lauhon, and M. C. Hersam, U.S. Patent #9,515,257 issued 12/6/16.

[30] “Gate-tunable p-n heterojunction diode, and fabrication method and application of same,” D. M. Jariwala, V. K. Sangwan, and M. C. Hersam, U.S. Patent #9,472,686 issued 10/18/16.

[29] “Monodisperse single-walled carbon nanotube populations and related methods for providing same,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, Chinese Patent #ZL 201410298770.9 issued 8/24/16.

[28] “Sorting two-dimensional nanomaterials by thickness,” A. A. Green and M. C. Hersam, U.S. Patent #9,416,010 issued 8/16/16.

[27] “Methods of making non-covalently bonded carbon-titania nanocomposite thin films and applications of the same,” Y. T. Liang, B. K. Vijayan, K. A. Gray, and M. C. Hersam, U.S. Patent #9,393,550 issued 7/19/16.

[26] “Separation of single-walled carbon nanotubes by self-forming density gradient ultracentrifugation,” J.-W. T. Seo, A. L. Antaris, A. A. Green, and M. C. Hersam, U.S. Patent #9,266,735 issued 2/23/16.

[25] “Monodisperse single-walled carbon nanotube populations and related methods for providing same,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, Taiwanese Patent #1519468 issued 2/1/16.

[24] “Sorting two-dimensional nanomaterials by thickness,” J. Kang, J.-W. T Seo, A. A. Green, and M. C. Hersam, U. S. Patent #9,221,064 issued 12/29/15.

[23] “Sorting two-dimensional nanomaterials by thickness,” A. A. Green and M. C. Hersam, U.S. Patent #9,114,405 issued 8/25/15.

[22] “Methods for preparation of concentrated graphene compositions and related composite materials,” Y. T. Liang and M. C. Hersam, U.S. Patent #9,079,764 issued 7/14/15. 

[21] “Separation of single-walled carbon nanotubes by electronic type using block copolymers,” A. L. Antaris, A. A. Green, and M. C. Hersam, U.S. Patent #9,034,812 issued 5/19/15.

[20] “Monodisperse single-walled carbon nanotube populations and related methods for providing same,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, Chinese Patent #ZL 200780032506.9 issued 4/29/15.

[19] “Highly concentrated nano-reinforcement suspensions for cementitious materials and method of reinforcing such materials,” S. P. Shah, M. S. Konsta-Gdoutos, Z. S. Metaxa, J.-W. T. Seo, and M. C. Hersam, U.S. Patent #8,865,107 issued 10/21/14.

[18] “Sorting two-dimensional nanomaterials by thickness,” A. A. Green and M. C. Hersam, U.S. Patent #8,852,444 issued 10/7/14.

[17] “Monodisperse single-walled carbon nanotube populations and related methods for providing same,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, Korean Patent #10-1425690 issued 7/25/14.

[16] “Monodisperse single-walled carbon nanotube populations and related methods for providing same,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, Canadian Patent #2,661,638 issued 7/15/14.

[15] “Method of enhanced lithiation of doped silicon carbide via high temperature annealing in an inert atmosphere,” A. L. Lipson, S. Bandyopadhyay, H. J. Karmel, M. J. Bedzyk, and M. C. Hersam, U.S. Patent #8,734,674 issued 5/27/14.

[14] “Separation of carbon nanotubes in density gradients,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, Korean Patent #10-1333936 issued 11/21/13.

[13] “Multifunctional nanocomposites of carbon nanotubes and nanoparticles formed via vacuum filtration,” G. N. Ostojic, Y. T. Liang, and M. C. Hersam, U.S. Patent #8,562,905 issued 10/22/13.

[12] “Separation of carbon nanotubes in density gradients,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, Canadian Patent #2600922 issued 6/4/13.

[11] “Separation of carbon nanotubes in density gradients,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, Japanese Patent #5215672 issued 3/8/13.

[10] “Transparent electrical conductors prepared from sorted carbon nanotubes and methods of preparing same,” A. A. Green and M. C. Hersam, U.S. Patent #8,323,784 issued 12/4/12.

[9] “Nanoscale, spatially-controlled Ga doping of undoped transparent conducting oxide films,” N. E. S. Cortes, T. J. Marks, and M. C. Hersam, U.S. Patent #8,236,680 issued 8/7/12.

[8] “Separation of carbon nanotubes in density gradients,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, U.S. Patent #8,110,125 B2 issued 2/7/12.

[7] “Methods and apparatus for spatially resolved photocurrent mapping of operating organic photovoltaic devices using atomic force photovoltaic microscopy,” B. J. Leever and M. C. Hersam, U.S. Patent #8,099,792 issued 1/17/12.

[6] “Separation of carbon nanotubes in density gradients,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, Chinese Patent #ZL 200680015296.8 issued 11/30/11.

[5] “System and methods of laser assisted field induced oxide nanopatterning,” L. S. C. Pingree and M. C. Hersam, U.S. Patent #7,976,765 issued 7/12/11.

[4] “Bridge-enhanced nanoscale impedance microscopy,” L. S. C. Pingree and M. C. Hersam, U.S. Patent #7,705,617 issued 4/27/10.

[3] “Separation of carbon nanotubes in density gradients,” M. S. Arnold, S. I. Stupp, and M. C. Hersam, U.S. Patent #7,662,298 issued 2/16/10.

[2] “Cryogenic variable temperature scanning tunneling microscope,” E. T. Foley and M. C. Hersam, U.S. Patent #7,414,250 issued 8/19/08. 

[1] “Methods and apparatus for spatially resolved electroluminescence of operating organic light-emitting diodes using conductive atomic force microscopy,” L. S. C. Pingree and M. C. Hersam, U.S. Patent #7,358,490 issued 4/15/08.