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1.927 Aktuelle Fachpublikationen zum Thema temperature

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Photoelectron emission from lithiated diamond (Phys. Status Solidi A 10∕2014)

18.10.2014 | Kane M. O'Donnell, Tomas L. Martin, Mark T. Edmonds, Anton Tadich, Lars Thomsen, Jürgen Ristein, Christopher I. Pake ..., physica status solidi (a), 2014

A lithium‐oxygen termination has been shown to induce negative electron affinity on diamond. O'Donnell and coworkers (pp. 2209–2222) have carried out computational and experimental studies on such surfaces, focusing on the photoemission properties of lithiated diamond. Two methods of ...

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On the role of graphite in ultrananocrystalline diamond films used for electron field emitter applications (Phys. Status Solidi A 10∕2014)

18.10.2014 | Joji Kurian, Kamatchi Jothiramalingam Sankaran, I‐Nan Lin, physica status solidi (a), 2014

The Feature Article on pp. 2223–2237 gives an account of the different pieces of work conducted by various groups around the world, aimed at constituting a single model to explain the enhancement of conductivity and electron field emission properties in diamond. Kurian et al. reveal that, from ...

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Influence of chemical treatment on the microstructure of nanographite

15.10.2014 | Iryna Ovsiienko, Oleksandra Lazarenko, Liudmila Matzui, Oleksii Brusylovets, Francois Le Normand, Alexander Shames, physica status solidi (a), 2014

The methods of functionalization of carbon nanotubes and thermally exfoliated graphite by inorganic and organic compounds, which allow obtaining of oxygen‐containing groups on the nanocarbon surface were proposed. The influence of chemical treatment on the internal structure and surface ...

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Large Stokes shift downshifting Eu(III) films as efficiency enhancing UV blocking layers for dye sensitized solar cells

15.10.2014 | M. Kennedy, H. Ahmed, J. Doran, B. Norton, P. Bosch‐Jimenez, M. Della Pirriera, E. Torralba‐Calleja, D. Gutiérrez Ta ..., physica status solidi (a), 2014

Large Stokes shift downshifting organolanthanide complex, Eu(tta)3phen, is examined for inclusion in polymeric layers to replace the UV blocking layer in dye sensitized solar cell (DSSC) technology. The UV blocking layer increases stability but power conversion efficiency decreases as incident ...

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Multiple‐layered nonwoven nanosheets consisting of multiwalled carbon nanotubes

10.10.2014 | Heon Ham, Eun‐Hye Koo, Sang‐Yong Ju, No‐Hyung Park, Yong Jung Kwon, Hong Yeon Cho, Han Gil Na, Kwang Bo Shim, Won‐Ja ..., physica status solidi (a), 2014

We fabricated multiple‐layered nonwoven multiwalled carbon nanotubes (MWCNT) sheets by means of treating MWCNTs with a spark plasma sintering process. We characterized the samples by Raman spectroscopy, X‐ray diffraction (XRD), scanning electron microscopy, transmission electron microscopy, and ...

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p‐TlGaSeS/n‐BN heterojunction as a microwave filter and as a photovoltaic device

10.10.2014 | Atef F. Qasrawi, Ahmad Omar, Ala' M. Azamtta, Nizami M. Gasanly, physica status solidi (a), 2014

In this work, a p–n junction made of p‐type TlGaSeS and n‐type boron nitride (BN) is investigated and characterized. The bilayer was studied by means of capacitance–voltage characteristics, current–voltage characteristics and Bode signal and photovoltaic effect diagnostics. It was observed that ...

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Optimized multilayer indium‐free electrodes for organic photovoltaics

09.10.2014 | Angus R. Gentle, Soniya D. Yambem, Geoff B. Smith, Paul L. Burn, Paul Meredith, physica status solidi (a), 2014

Flexible multilayer electrodes that combine high transparency, high conductivity, and efficient charge extraction have been deposited, characterised and used as the anode in organic solar cells. The anode consists of an AZO/Ag/AZO stack plus a very thin oxide interlayer whose ionization ...

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Hybrid silicon/P3HT solar cells based on an interfacial modification with a molecular thiophene layer

09.10.2014 | Flavio Santos Freitas, Rafael Borges Merlo, Francisco Chagas Marques, Ana Flavia Nogueira, physica status solidi (a), 2014

Hybrid photovoltaic (PV) devices based on a poly(3‐hexylthiophene) (P3HT) layer and chemically modified silicon wafers with thiophene groups are reported for the first time. The chemical modification was performed by linking thiophene units directly onto silicon atoms at the n‐type silicon ...

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Ag3PO4/TiO2 heterostructures with enhanced photocatalytic activity

08.10.2014 | Junqi Li, Zhanyun Guo, Zhenxing Liu, Mingming Cui, Zhenfeng Zhu, physica status solidi (a), 2014

Heterostructured Ag3PO4/TiO2 composites have been fabricated via an in situ precipitation method by depositing Ag3PO4 nanoparticles onto the surface of TiO2 microspheres. The enhanced photocatalytic activity of the Ag3PO4/TiO2 heterostructures for the degradation of rhodamine B (RhB) under UV ...

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Expanding the reduced‐current approach for thermoelectric generators to achieve higher volumetric power density

08.10.2014 | Waruna Wijesekara, Lasse Rosendahl, physica status solidi (a), 2014

Thermoelectrics are candidate niche electrical generator devices for energy management. At present, scientists are more focused on thermoelectric (TE) material development, but the TE module design procedure is still in a relatively virgin state. One of the most well‐known methods is the ...

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