Výsledky vyhledávání - "Gwamuri, Jephias"

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Multi-resonant silver nano-disk patterned thin film hydrogenated amorphous silicon solar cells for Staebler-Wronski effect compensation

Autor: Vora, Ankit, Gwamuri, Jephias, Pearce, Joshua M., Bergstrom, Paul L., Güney, Durdu Ö.

Publikováno v: J. Appl. Phys., 116, 093103 (2014)

We study polarization independent improved light trapping in commercial thin film hydrogenated amorphous silicon (a-Si:H) solar photovoltaic cells using a three-dimensional silver array of multi-resonant nano-disk structures embedded in a silicon nit

Externí odkaz: http://arxiv.org/abs/1409.2194

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Exchanging Ohmic Losses in Metamaterial Absorbers with Useful Optical Absorption for Photovoltaics

Autor: Vora, Ankit, Gwamuri, Jephias, Pala, Nezih, Kulkarni, Anand, Pearce, Joshua M., Güney, Durdu Ö.

Using metamaterial absorbers, we have shown that metallic layers in the absorbers do not necessarily constitute undesired resistive heating problem for photovoltaics. Tailoring the geometric skin depth of metals and employing the natural bulk absorba

Externí odkaz: http://arxiv.org/abs/1404.7069

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Akademický článek

A new method of preparing highly conductive ultra-thin indium tin oxide for plasmonic-enhanced thin film solar photovoltaic devices

Autor: Gwamuri, Jephias, Vora, Ankit, Mayandi, Jeyanthinath, Güney, Durdu Ö., Bergstrom, Paul L., Pearce, Joshua M.

Publikováno v: In Solar Energy Materials and Solar Cells May 2016 149:250-257

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Periodical

Reversing the trend of large scale and centralization in manufacturing: the case of distributed manufacturing of customizable 3-D-printable self-adjustable glasses

Autor: Gwamuri, Jephias, Wittbrodt, Ben T., Anzalone, Nick C., Pearce, Joshua M.

Publikováno v: Challenges in Sustainability, 2, 1, 30-40

Although the trend in manufacturing has been towards centralization to leverage economies of scale, the recent rapid technical development of open-source 3-D printers enables low-cost distributed bespoke production. This paper explores the potential

Externí odkaz: http://www.ssoar.info/ssoar/handle/document/45398

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Akademický článek

Influence of Oxygen Concentration on the Performance of Ultra-Thin RF Magnetron Sputter Deposited Indium Tin Oxide Films as a Top Electrode for Photovoltaic Devices.

Autor: Gwamuri, Jephias¹ jgwamuri@mtu.edu, Marikkannan, Murugesan² marikannan.mku@gmail.com, Mayandi, Jeyanthinath² jeyanthinath.mayandi@gmail.com, Bowen, Patrick K.¹ pkbowen@mtu.edu, Pearce, Joshua M.^1,3 pearce@mtu.edu

Publikováno v: Materials (1996-1944). 2016, Vol. 9 Issue 1, p63. 12p. 2 Charts, 4 Graphs.

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Ambiance-dependent agglomeration and surface-enhanced Raman spectroscopy response of self-assembled silver nanoparticles for plasmonic photovoltaic devices

Autor: Gwamuri, Jephias, Venkatesan, Ragavendran, Sadatgol, Mehdi, Mayandi, Jeyanthinath, Guney, Durdu O., Pearce, Joshua M.

Publikováno v: Electrical and Computer Engineering Publications

The agglomeration/dewetting process of thin silver films provides a scalable method of obtaining self-assembled nanoparticles (SANPs) for plasmonics-based thin-film solar photovoltaic (PV) devices. We show the effect of annealing ambiance on silver S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1548::91f7c5d4639d1fab4c00d5a4d40b9862
https://ir.lib.uwo.ca/electricalpub/320

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Ambient-dependent Agglomeration and Surface-Enhanced Raman Spectroscopy Response of Self-Assembled Silver Nano-particles for Plasmonic Photovoltaic Devices

Autor: Gwamuri, Jephias, Venkatesan, Ragavendran, Sadatgol, Mehdi, Mayandi, Jeyanthinath, Güney, Durdu, Pearce, Joshua M.

Publikováno v: Journal of Photonics for Energy
Journal of Photonics for Energy, Society of Photo-optical Instrumentation Engineers (SPIE), 2017, 7 (3), pp.037002. ⟨10.1117/1.JPE.7.037002⟩

International audience; The agglomeration/dewetting process of thin silver films provides a scalable method of obtaining self-assembled nanoparticles (SANPs) for plasmonics based thin-film solar photovoltaic (PV) devices. Here, we show the effect of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::863a1d2504b92cfb4099fc48688095e1
https://hal.archives-ouvertes.fr/hal-02111401

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Open Source 3-D Printers: An Appropriate Technology for Developing Communities

Autor: Gwamuri, Jephias, Pearce, Joshua, Poliskey, Jill

Publikováno v: Proceedings to the 7th International Conference on Appropriate Technology
Proceedings to the 7th International Conference on Appropriate Technology, 2016

International audience; The recent introduction of RepRap (Self-Replicating Rapid Prototyper) 3-D printers and the resultant open source technological improvements have resulted in affordable 3-D printing, enabling low-cost distributed manufacturing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3566bc99a587d0133ac5892990e8ca85
https://hal.archives-ouvertes.fr/hal-02113460/document

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