Výsledky vyhledávání

Critical Interface States Controlling Rectification of Ultrathin NiO–ZnO p–n Heterojunctions

Autor: Erin L. Ratcliff, Neal R. Armstrong, Kai-Lin Ou, K. Xerxes Steirer

Publikováno v: ACS Applied Materials & Interfaces. 9:31111-31118

Herein, we consider the heterojunction formation of two prototypical metal oxides: p-type NiO and n-type ZnO. Elementally abundant, low-cost metal oxide/oxide' heterojunctions are of interest for UV optical sensing, gas sensing, photocatalysis, charg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6996274efbb02e1ad6a5e7969c9f1b3
https://doi.org/10.1021/acsami.7b08899

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Investigation of ultra-thin titania films as hole-blocking contacts for organic photovoltaics

Autor: Paul F. Ndione, Thierry Melin, Neal R. Armstrong, Xin Wu, Hyungchul Kim, Yannick Lambert, Samuel Graham, Joseph J. Berry, Kai-Lin Ou

Publikováno v: Journal of Materials Chemistry A. 3:17332-17343

Ultra-thin (0.5–10 nm) plasma-enhanced atomic layer deposited (PE-ALD) titanium oxide (TiOx) films, deposited on indium-tin-oxide (ITO) contacts, are investigated as hole-blocking interlayers using conventional electrochemistry of select probe mole

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a9dc349c5034009dacd8b4374e9a277c
https://doi.org/10.1039/c5ta04687d

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Axially Bound Ruthenium Phthalocyanine Monolayers on Indium Tin Oxide: Structure, Energetics, and Charge Transfer Properties

Autor: Dominic V. McGrath, Luis E. Oquendo, Ramanan Ehamparam, Kai-Lin Ou, Ambjorn Brynnel, Michael W. Liao, S. Scott Saavedra, Neal R. Armstrong

Publikováno v: ACS applied materialsinterfaces. 9(34)

The efficiency of charge collection at the organic/transparent conducting oxide (TCO) interface in organic photovoltaic (OPV) devices affects overall device efficiency. Modifying the TCO with an electrochemically active molecule may enhance OPV effic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d54e78fb2df168fc9b6cc2b5d12afcca
https://pubmed.ncbi.nlm.nih.gov/28795562

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Characterization of ZnO Interlayers for Organic Solar Cells: Correlation of Electrochemical Properties with Thin-Film Morphology and Device Performance

Autor: Christoph J. Brabec, Robin Edward Richards, R. Clayton Shallcross, Neal R. Armstrong, Kai-Lin Ou, Gordon A. MacDonald, S. Scott Saavedra, Tobias Stubhan, Xin Wu, Ramanan Ehamparam

Publikováno v: ACS applied materialsinterfaces. 8(30)

This report focuses on the evaluation of the electrochemical properties of both solution-deposited sol-gel (sg-ZnO) and sputtered (sp-ZnO) zinc oxide thin films, intended for use as electron-collecting interlayers in organic solar cells (OPVs). In th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91c581e10d8c0905fba15de907e78f20
https://pubmed.ncbi.nlm.nih.gov/27362429

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Study of the morphologies and dielectric constants of nanoporous materials derived from benzoxazine-terminated poly(ε-caprolactone)/polybenzoxazine co-polymers

Autor: Yi-Che Su, Feng-Chih Chang, Wan-Chun Chen, Kai-Lin Ou

Publikováno v: Polymer. 46:3758-3766

We have generated porous polybenzoxazine (PBZZ) materials by using a B-a type PBZZ as the matrix and various molecular weights of poly(e-caprolactone) (pa-PCL) as the labile constituent. The slight degree of hydrogen bonding that exists between the t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2216bac226224ad00dccbf8f5760a166
https://doi.org/10.1016/j.polymer.2005.03.035

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The interface science of interlayer materials and contacts in organic solar cells

Autor: Delvin Tadytin, Jeremy Gantz, Xerxes Steirer, Neal R. Armstrong, Erin L. Ratcliff, Mariola R. Macech, Brian Zacher, Kai-Lin Ou, Gordon A. MacDonald

Publikováno v: 2011 37th IEEE Photovoltaic Specialists Conference.

Organic solar cells (OPVs) continue to see striking increases in efficiencies, with some research cells exceeding 8% power conversion efficiency, and module efficiencies approaching or exceeding ca. 4%.[1–3] These efficiencies are not yet adequate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b16fff1aeb11652e03178402b314d84e
https://doi.org/10.1109/pvsc.2011.6186695

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Titanium dioxide electron-selective interlayers created by chemical vapor deposition for inverted configuration organic solar cells

Autor: K. Xerxes Steirer, Delvin Tadytin, Michael P. Nguyen, Neal R. Armstrong, Kai-Lin Ou, Paul A. Lee, Diogenes Placencia

Publikováno v: Journal of Materials Chemistry A. 1:6794

We demonstrate the use of chemical vapor deposition (CVD) to create unique thin (12–36 nm) and conformal TiO2 interlayers on indium-tin oxide (ITO) electrodes, for use as electron collection contacts in inverted bulk heterojunction P3HT/PC61BM orga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd1c5da6b8a6b3e36fc2be1c538db405
https://doi.org/10.1039/c3ta10894e

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