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Research Output

2019

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

Quantum Confinement Effect in the Absorption Spectra of Graphene Quantum Dots

Yang, L., Reed, D., Adu, K. W. & Elias Arriaga, A. L., Jan 1 2019, In : MRS Advances. 4, 3-4, p. 205-210 6 p.

Research output: Contribution to journalArticle

1 Scopus citations
2018

Conversion of Agricultural Waste Streams into Value Added Products

Adu, K. W., Armstrong, P., Servera, L., Essumang, D. K. & Mensah, S. Y., Jan 1 2018, In : MRS Advances. 3, 36, p. 2137-2142 6 p.

Research output: Contribution to journalArticle

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

Phenomenological Modeling of Confined Phonon States in TMD Quantum Dots

Fang, L., Willliam, T., Adu, K. W. & Terrones, M., Jan 1 2018, In : MRS Advances. 3, 6-7, p. 339-344 6 p.

Research output: Contribution to journalArticle

1 Scopus citations
2017

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

2016

Magnetic quenching of photonic activity in Fe3O4-elastomer composite

Ma, D., Hess, D. T., Shetty, P. P., Adu, K. W., Bell, R. C. & Terrones, M., Jan 1 2016, In : Journal of Nanophotonics. 10, 1, 016017.

Research output: Contribution to journalArticle

2015

Effect of hot electrons on the electrical conductivity of carbon nanotubes under the influence of applied dc field

Amekpewu, M., Abukari, S. S., Adu, K. W., Mensah, S. Y. & Mensah, N. G., Jan 1 2015, In : European Physical Journal B. 88, 2

Research output: Contribution to journalArticle

3 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

Enhancing the superconducting temperature of MgB2 by SWCNT dilution

Ma, D., Jayasingha, R., Hess, D. T., Adu, K. W., Sumanasekera, G. U. & Terrones, M., Jan 1 2014, In : Physica C: Superconductivity and its applications. 497, p. 43-48 6 p.

Research output: Contribution to journalArticle

4 Scopus citations

Production of high surface area activated carbon from coconut husk

Armstrong, P. R., Morchesky, Z. J., Hess, D. T., Adu, K. W., Essumang, D. K., Tufour, J. K., Koranteng-Addo, J. E., Opoku-Boadu, K. & Mensah, S. Y., Jan 1 2014, In : Materials Research Society Symposium Proceedings. 1644

Research output: Contribution to journalConference article

1 Scopus citations
33 Scopus citations
2013

Amplification of terahertz radiation in carbon nanotubes

Abukari, S. S., Adu, K. W., Mensah, S. Y., Mensah, N. G., Dompreh, K. A., Twum, A. & Rabiu, M., Apr 1 2013, In : European Physical Journal B. 86, 4, 182.

Research output: Contribution to journalArticle

1 Scopus citations

Effect of SWCNT dilution on the resistivity of MgB2

Ma, D., Jayasingha, R., Hess, D., Adu, K. W. & Sumanasekera, G. U., Jan 1 2013, Carbon Nanomaterials. Materials Research Society, p. 199-204 6 p. (Materials Research Society Symposium Proceedings; vol. 1505).

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

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

Nonionic electrophoretic sorting of SWCNTs into metallic and semiconducting tubes

Johns, K. A., Koontz, K. J., Ma, D., Carruba, K. J. & Adu, K. W., Jan 1 2013, Carbon Nanomaterials. Materials Research Society, p. 75-79 5 p. (Materials Research Society Symposium Proceedings; vol. 1505).

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

Polarized induced magnetic broadening of photonic activities in Fe 3O4-elastomer composites

Ma, D., Hess, D. T., Shetty, P. P., Adu, K. W., Bell, R. & Terrones, M., Jan 1 2013, Optically Active Nanostructures. Materials Research Society, p. 55-60 6 p. (Materials Research Society Symposium Proceedings; vol. 1509).

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

Rectification due to harmonic mixing of two coherent electromagnetic waves with commensurate frequencies in carbon nanotubes

Abukari, S. S., Adu, K. W., Mensah, S. Y., Mensah, N. G., Rabiu, M., Twum, A., Amekpewu, M. & Dompreh, K. A., Mar 1 2013, In : European Physical Journal B. 86, 3, 106.

Research output: Contribution to journalArticle

2012

High frequency conductivity in carbon nanotubes

Abukari, S. S., Mensah, S. Y., Mensah, N. G., Adu, K. W., Rabiu, M. & Twum, A., Dec 1 2012, In : AIP Advances. 2, 4, 042178.

Research output: Contribution to journalArticle

Probing phonons in nonpolar semiconducting nanowires with Raman spectroscopy

Adu, K. W., Williams, M. D., Reber, M., Jayasingha, R., Gutierrez, H. R. & Sumanasekera, G. U., Jan 1 2012, In : Journal of Nanotechnology. 264198.

Research output: Contribution to journalReview article

8 Scopus citations

Temperature dependent thermopower and resistance measurements of CNT-MgB2 composites

Adu, K. W., Jayasingha, R., Ma, D. & Sumanasekera, G. U., Dec 5 2012, Carbon Nanotubes, Graphene and Related Nanostructures. p. 123-128 6 p. (Materials Research Society Symposium Proceedings; vol. 1407).

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

2009

Morphological, structural, and chemical effects in response of novel carbide derived carbon sensor to NH 3, N 2O, and air

Adu, K. W., Li, Q., Desai, S. C., Sidorov, A. N., Sumanasekera, G. U. & Lueking, A. D., Jan 6 2009, In : Langmuir. 25, 1, p. 582-588 7 p.

Research output: Contribution to journalArticle

17 Scopus citations
2008

Phonons in Silicon Nanowires

Adu, K. W., Gutierrez, H. R. & Eklund, P. C., Dec 1 2008, Nanosilicon. Elsevier Ltd, p. 258-288 31 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

5 Scopus citations

Raman scattering from Si1-xGex alloy nanowires

Lu, Q., Adu, K. W., Gutiérrez, H. R., Chen, G., Lew, K. K., Nimmatoori, P., Zhang, X., Dickey, E. C., Redwing, J. M. & Eklund, P. C., Mar 6 2008, In : Journal of Physical Chemistry C. 112, 9, p. 3209-3215 7 p.

Research output: Contribution to journalArticle

22 Scopus citations

Transparent boron-doped carbon nanotube films

Liu, X. M., Romero, H. E., Gutierrez, H. R., Adu, K. W. & Eklund, P. C., Sep 1 2008, In : Nano Letters. 8, 9, p. 2613-2619 7 p.

Research output: Contribution to journalArticle

57 Scopus citations
2006

Inhomogeneous laser heating and phonon confinement in silicon nanowires: A micro-Raman scattering study

Adu, K. W., Gutiérrez, H. R., Kim, U. J. & Eklund, P. C., May 10 2006, In : Physical Review B - Condensed Matter and Materials Physics. 73, 15, 155333.

Research output: Contribution to journalArticle

83 Scopus citations

Raman-active phonon line profiles in semiconducting nanowires

Adu, K. W., Gutierrez, H. R. & Eklund, P. C., Oct 18 2006, In : Vibrational Spectroscopy. 42, 1, p. 165-175 11 p.

Research output: Contribution to journalArticle

14 Scopus citations

Raman scattering as a probe of phonon confinement and surface optical modes in semiconducting nanowires

Adu, K. W., Xiong, Q., Gutierrez, H. R., Chen, G. & Eklund, P. C., Nov 1 2006, In : Applied Physics A: Materials Science and Processing. 85, 3, p. 287-297 11 p.

Research output: Contribution to journalArticle

108 Scopus citations
2005

Confined phonons in Si nanowires

Adu, K. W., Gutiérrez, H. R., Kim, U. J., Sumanasekera, G. U. & Eklund, P. C., Mar 1 2005, In : Nano letters. 5, 3, p. 409-414 6 p.

Research output: Contribution to journalArticle

128 Scopus citations

Silicon nanowires: Doping dependent n- and p- channel FET behavior

Byon, K., Fischer, J. E., Adu, K. W. & Eklund, P. C., Aug 25 2005, In : Materials Research Society Symposium Proceedings. 832, p. 281-286 6 p., F9.9.

Research output: Contribution to journalConference article

1 Scopus citations
2004

Carbon nanotubes as a chemical sensor

Sumanasekera, G. U., Pradhan, B. K., Adu, K. W., Romero, R. E. & Eklund, P. C., Sep 1 2004, In : ACS Division of Fuel Chemistry, Preprints. 49, 2, p. 885-886 2 p.

Research output: Contribution to journalConference article

2 Scopus citations

Confinement in silicon nanowires: Optical properties

Bhattacharya, S., Banerjee, D., Adu, K. W., Samui, S. & Bhattacharyya, S., Sep 13 2004, In : Applied Physics Letters. 85, 11, p. 2008-2010 3 p.

Research output: Contribution to journalArticle

49 Scopus citations
2003

Imaging, structural and chemical analysis of silicon nanowires

Barsotti, R. J., Fischer, J. E., Lee, C. H., Mahmood, J., Adu, C. K. W. & Eklund, P. C., Jul 25 2003, In : Materials Research Society Symposium - Proceedings. 737, p. 627-631 5 p.

Research output: Contribution to journalConference article

1 Scopus citations

Laser-induced fano resonance scattering in silicon nanowires

Gupta, R., Xiong, Q., Adu, C. K., Kim, U. J. & Eklund, P. C., May 1 2003, In : Nano letters. 3, 5, p. 627-631 5 p.

Research output: Contribution to journalArticle

152 Scopus citations

Optical phonons in polar semiconductor nanowires

Mahan, D., Gupta, R., Xiong, Q., Adu, K. & Eklund, C., Jan 1 2003, In : Physical Review B - Condensed Matter and Materials Physics. 68, 7

Research output: Contribution to journalArticle

75 Scopus citations

Raman spectroscopy and structure of crystalline gallium phosphide nanowires

Xiong, Q., Gupta, R., Adu, K. W., Dickey, E. C., Lian, G. D., Tham, D., Fischer, J. E. & Eklund, P. C., Aug 1 2003, In : Journal of Nanoscience and Nanotechnology. 3, 4, p. 335-339 5 p.

Research output: Contribution to journalArticle

43 Scopus citations
2002

Experimental probes of the molecular hydrogen-carbon nanotube interaction

Pradhan, B. K., Sumanasekera, G. U., Adu, K. W., Romero, H. E., Williams, K. A. & Eklund, P. C., Oct 1 2002, In : Physica B: Condensed Matter. 323, 1-4, p. 115-121 7 p.

Research output: Contribution to journalConference article

73 Scopus citations

Giant Thermopower Effects from Molecular Physisorption on Carbon Nanotubes

Sumanasekera, G. U., Pradhan, B. K., Romero, H. E., Adu, K. W. & Eklund, P. C., Jan 1 2002, In : Physical Review Letters. 89, 16

Research output: Contribution to journalArticle

98 Scopus citations

Imaging, structural, and chemical analysis of silicon nanowires

J. Barsotti Jr., R., Fischer, J. E., Lee, C. H., Mahmood, J., Adu, C. K. W. & Eklund, P. C., Oct 7 2002, In : Applied Physics Letters. 81, 15, p. 2866-2868 3 p.

Research output: Contribution to journalArticle

27 Scopus citations

Thermoelectric chemical sensor based on single wall carbon nanotubes

Sumanasekera, G. U., Pradhan, B. K., Adu, C. K. W., Romero, H. E., Foley, H. C. & Eklund, P. C., Dec 1 2002, In : Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals. 387, PART 2, p. [255]/31-[261]/37

Research output: Contribution to journalConference article

16 Scopus citations

Thermoelectric study of hydrogen storage in carbon nanotubes

Sumanasekera, G. U., Adu, K. W., Pradhan, B. K., Chen, G., Romero, H. E. & Eklund, P. C., Jan 15 2002, In : Physical Review B - Condensed Matter and Materials Physics. 65, 3, p. 354081-354085 5 p., 035408.

Research output: Contribution to journalArticle

21 Scopus citations

Thermoelectric study of hydrogen storage in carbon nanotubes

Sumanasekera, G. U., Adu, K. W., Pradhan, B. K., Chen, G., Romero, H. E. & Eklund, P. C., Jan 1 2002, In : Physical Review B - Condensed Matter and Materials Physics. 65, 3, p. 1-5 5 p.

Research output: Contribution to journalArticle

2 Scopus citations

Thermoelectric study of hydrogen storage in carbon nanotubes

Sumanasekera, G. U., Adu, K. W., Pradhan, B. K., Chen, G., Romero, H. E. & Eklund, P. C., 2002, In : Materials Research Society Symposium - Proceedings. 706, p. 337-342 6 p.

Research output: Contribution to journalArticle

1 Scopus citations
2001

Carbon nanotubes: A thermoelectric nano-nose

Adu, K. W., Sumanasekera, G. U., Pradhan, B. K., Romero, H. E. & Eklund, P. C., Mar 30 2001, In : Chemical Physics Letters. 337, 1-3, p. 31-35 5 p.

Research output: Contribution to journalArticle

137 Scopus citations

Single walled carbon nanotubes (SWNTs) as a gas sensor

Pradhan, B. K., Sumanasekera, G. U., Adu, K. W., Romero, H. & Eklund, P. C., Dec 1 2001, In : Materials Research Society Symposium - Proceedings. 633

Research output: Contribution to journalConference article

2 Scopus citations
2000

Effects of gas adsorption and collisions on electrical transport in single-walled carbon nanotubes

Sumanasekera, G. U., Adu, C. K. W., Fang, S. & Eklund, P. C., Jul 31 2000, In : Physical Review Letters. 85, 5, p. 1096-1099 4 p.

Research output: Contribution to journalArticle

351 Scopus citations
1996

Effect of ionization of impurity centres by electric field on the conductivity of superlattice

Mensah, S. Y., Allotey, F. K. A. & Adu, K. W., Jan 1 1996, In : Superlattices and Microstructures. 19, 2, p. 151-158 8 p.

Research output: Contribution to journalArticle

2 Scopus citations