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Autor:
Svetlana Santer, Se-Hyeong Jung, Andrij Pich, Joachim Jelken, Claudia Pacholski, Marek Bekir, Alexey Kopyshev
Publikováno v:
Applied Physics Letters, 118(9):091603. American Institute of Physics Publising LLC
We report on the multiple response of microgels triggered by a single optical stimulus. Under irradiation, the volume of the microgels is reversibly switched by more than 20 times. The irradiation initiates two different processes: photo-isomerizatio
Autor:
Oracio Barbosa-García, José-Luis Maldonado, Bernhard Ecker, J. C. Nolasco, Gabriel Ramos-Ortiz, E. von Hauff
Publikováno v:
Nolasco, J C, Ramos-Ortiz, G, Maldonado, J L, Barbosa-Garcia, O, Ecker, B & von Hauff, E L 2014, ' Polymer/cathode interface barrier limiting the open circuit voltage in polymer:fullerene organic bulk heterojunction solar cells: A quantitative analysis ', Applied Physics Letters, vol. 104, no. 4, 043308 . https://doi.org/10.1063/1.4863755
Applied Physics Letters, 104(4):043308. American Institute of Physics Publising LLC
Applied Physics Letters, 104(4):043308. American Institute of Physics Publising LLC
By exploring the origin of the saturation current (J0), we show that the polymer/cathode interface determines the open circuit voltage (Voc) in polymer:fullerene bulk heterojunction solar cells. We fabricate and characterize P3HT:PCBM solar cells and
Autor:
Sébastien Faniel, Pierre-Olivier Mouthuy, J. Dumont, Robert Sporken, Sorin Melinte, Benoît Hackens
Publikováno v:
Applied Physics Letters. 95(13)
The stability of the polar Zn-terminated ZnO surface is probed by low-temperature scanning tunneling microscopy and scanning tunneling spectroscopy (STS). Surface states in the bandgap of ZnO are evidenced by STS and their presence is correlated with
Publikováno v:
Applied Physics Letters, 99(10):103302, 103302-1/4. American Institute of Physics
Sharma, A, Matthijssen, S J G, Bobbert, P A & de Leeuw, D M 2011, ' Influence of the semiconductor oxidation potential on the operational stability of organic field-effect transistors ', Applied Physics Letters, vol. 99, no. 10, pp. 103302-103302-3 . https://doi.org/10.1063/1.3634066
Applied Physics Letters, 99(10). American Institute of Physics Publising LLC
Sharma, A, Matthijssen, S J G, Bobbert, P A & de Leeuw, D M 2011, ' Influence of the semiconductor oxidation potential on the operational stability of organic field-effect transistors ', Applied Physics Letters, vol. 99, no. 10, pp. 103302-103302-3 . https://doi.org/10.1063/1.3634066
Applied Physics Letters, 99(10). American Institute of Physics Publising LLC
During prolonged application of a gate bias, organic field-effect transistors show a gradual shift of the threshold voltage towards the applied gate bias voltage. The shift follows a stretched-exponential time dependence governed by a relaxation time
Publikováno v:
Chung, M, Choi, J-Y, Mayer, A, Miskovsky, N & Cutler, P H 2014, ' Tip-geometry enhanced cooling of field emission from the n-type semiconductor ', Applied Physics Letters, vol. 104, pp. 083502 . https://doi.org/10.1063/1.4866339
The cooling effect of field emission from an n-type semiconductor was theoretically investigated in quest for a solid state cooler. The vacuum potential was exactly expressed in terms of the semiconductor cathode geometry. This leaded to the more acc
Publikováno v:
Applied Physics Letters. 89:63117-63117
The authors present a charge-dipole model for the calculation of the polarization of fullerenes and carbon nanotubes. By expressing the electrostatic interactions in terms of normalized propagators, the technique achieves a better consistency and an
Autor:
Alexandre Mayer
Publikováno v:
Applied Physics Letters. 86:153110-153110
We present a monopole-dipole model to compute the polarization of metallic carbon nanotubes. The parameters of this model are adjusted on experimental data. In particular, we aimed at reproducing the mean polarizability of C60 and C70, the transverse