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51

Reduced pore diameter fluctuations of macroporous silicon fabricated from neutron-transmutation-doped material

Stefan L. Schweizer, Andreas von Rhein, Torsten M. Geppert, Ralf B. Wehrspohn

Journal:

physica status solidi (RRL) - Rapid Research Letters

Year:

2010

Language:

english

File:

PDF, 181 KB

english, 2010

52

Intermediate reflectors for enhanced top cell performance in photovoltaic thin-film tandem cells

Bielawny, Andreas, Rockstuhl, Carsten, Lederer, Falk, Wehrspohn, Ralf B.

Journal:

Year:

2009

Language:

english

File:

PDF, 261 KB

english, 2009

53

Near-field visualization of light confinement in a photonic crystal microresonator

Kramper, Patrick, Kafesaki, Maria, Soukoulis, Costas M., Birner, Albert, Mller, Frank, Gsele, Ulrich, Wehrspohn, Ralf B., Mlynek, Jrgen, Sandoghdar, Vahid

Journal:

Year:

2004

Language:

english

File:

PDF, 1.01 MB

english, 2004

54

Strain dependence of second-harmonic generation in silicon

Wehrspohn, Ralf B., Schriever, Clemens, Bohley, Christian

Journal:

Year:

2010

Language:

english

File:

PDF, 233 KB

english, 2010

55

Magneto-optical properties of nickel nanowire arrays

Melle, Sonia, Menendez, Jose Luis, Armelles, Gaspar, Navas, David, Vazquez, Manuel, Nielsch, Kornelius, Wehrspohn, Ralf B., Gosele, Ulrich

Journal:

Applied Physics Letters

Year:

2003

Language:

english

File:

PDF, 433 KB

english, 2003

56

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Concepts to enhance the efficiency of upconversion for solar applications

Fischer, S., Steinkemper, H., Krämer, K. W., Goldschmidt, J. C., Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 2.97 MB

english, 2012

57

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Strategies to tailor the UV absorption band of Eu3+:La2O3 downshifting nanocrystals

Méndez, M., Cesteros, Y., Marsal, L. F., Salagre, P., Formentín, P., Pallarès, J., Aguiló, M., Díaz, F., Carvajal, J. J., Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 3.82 MB

english, 2012

58

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 12 April 2010)] Photonics for Solar Energy Systems III - Synthesis and characterization of ZnS:Mn nanoparticles

Dai Prè, Marta, Martucci, A., Leoni, Matteo, Wehrspohn, Ralf B., Gombert, Andreas

Year:

2010

Language:

english

File:

PDF, 8.27 MB

english, 2010

59

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Fluorescent borate glass superstrates for high efficiency CdTe solar cells

Steudel, Franziska, Dyrba, Marcel, Schweizer, Stefan, Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 3.06 MB

english, 2012

60

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Simulation of light-trapping in thin film solar cells by high performance computing

Pflaum, Christoph, Jandl, Christine, Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 277 KB

english, 2012

61

Three-Dimensional Photonic Crystal Intermediate Reflectors for Enhanced Light-Trapping in Tandem Solar Cells

Johannes Üpping, Andreas Bielawny, Ralf B. Wehrspohn, Thomas Beckers, Reinhard Carius, Uwe Rau, Stefan Fahr, Carsten Rockstuhl, Falk Lederer, Matthias Kroll, Thomas Pertsch, Lorenz Steidl, Rudolf Zent

Journal:

Advanced Materials

Year:

2011

Language:

english

File:

PDF, 586 KB

english, 2011

62

Macroporous silicon and its application in sensing

Wehrspohn, Ralf B., Schweizer, Stefan L., Gesemann, Benjamin, Pergande, Daniel, Geppert, Torsten M., Moretton, Susanne, Lambrecht, Armin

Journal:

Comptes Rendus Chimie

Year:

2013

Language:

english

File:

PDF, 1.05 MB

english, 2013

63

Mechanical Stress on the Nanoscale (Simulation, Material Systems and Characterization Techniques) || Strain-Induced Nonlinear Optics in Silicon

Hanbücken, Margrit, Müller, Pierre, Wehrspohn, Ralf B.

Year:

2011

Language:

english

File:

PDF, 346 KB

english, 2011

64

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 12 April 2010)] Photonics for Solar Energy Systems III - Investigating dye-sensitised solar cells

Tobin, Laura L., O'Reilly, Thomas, Zerulla, Dominic, Sheridan, John T., Wehrspohn, Ralf B., Gombert, Andreas

Year:

2010

Language:

english

File:

PDF, 445 KB

english, 2010

65

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Optical properties of lanthanide dyes for spectral conversion encapsulated in porous silica nanoparticles

Pizzol, Paolo, Marques-Hueso, Jose, Robertson, Neil, Freris, Isidora, Bellotto, Luca, Meyer, Thomas J. J., Richards, Bryce S., Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 1.14 MB

english, 2012

66

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 12 April 2010)] Photonics for Solar Energy Systems III - Optimizing wavelength-selective filters for luminescent solar concentrators

de Boer, Dick K. G., Wehrspohn, Ralf B., Gombert, Andreas

Year:

2010

Language:

english

File:

PDF, 422 KB

english, 2010

67

Tree-like alumina nanopores generated in a non-steady-state anodization

Cheng, Wenlong, Steinhart, Martin, Gösele, Ulrich, Wehrspohn, Ralf B.

Journal:

Journal of Materials Chemistry

Year:

2007

Language:

english

File:

PDF, 355 KB

english, 2007

68

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || On the Solid-State Theoretical Description of Photonic Crystals

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 706 KB

english, 2004

69

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Tunable Photonic Crystals Using Liquid Crystals

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 1.65 MB

english, 2004

70

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Polymeric Photonic Crystal Lasers

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 1.59 MB

english, 2004

71

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Photonic Crystal Based Active Optoelectronic Devices

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 1.22 MB

english, 2004

72

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Photonic Crystal Optical Circuits in Moderate Index Materials

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 3.02 MB

english, 2004

73

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Spontaneous Emission in Photonic Structures: Theory and Simulation

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 3.57 MB

english, 2004

74

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Semiconductor Optics in Photonic Crystal Structures

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 3.53 MB

english, 2004

75

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Scanning Near-Field Optical Studies of Photonic Devices

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 5.98 MB

english, 2004

76

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Optical Properties of Planar Metallo-Dielectric Photonic Crystals

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 1.38 MB

english, 2004

77

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Three-Dimensional Lithography of Photonic Crystals

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 4.13 MB

english, 2004

78

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Electrochemically-Prepared 2D and 3D Photonic Crystals

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 3.83 MB

english, 2004

79

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Photonic Crystal Fibers

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 2.65 MB

english, 2004

80

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Planar High Index-Contrast Photonic Crystals for Telecom Applications

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 2.40 MB

english, 2004

81

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Light Emitting Opal-Based Photonic Crystal Heterojunctions

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 3.18 MB

english, 2004

82

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Microwave Modelling of Photonic Crystals

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 520 KB

english, 2004

83

Curvature-Directed Crystallization of Poly(vinylidene difluoride) in Nanotube Walls

Steinhart, Martin, Senz, Stephan, Wehrspohn, Ralf B., Gösele, Ulrich, Wendorff, Joachim H.

Journal:

Year:

2003

Language:

english

File:

PDF, 292 KB

english, 2003

84

Nanoshell tubes of ferroelectric lead zirconate titanate and barium titanate

Luo, Yun, Szafraniak, Izabela, Zakharov, Nikolai D., Nagarajan, Valanoor, Steinhart, Martin, Wehrspohn, Ralf B., Wendorff, Joachim H., Ramesh, Ramamoorthy, Alexe, Marin

Journal:

Applied Physics Letters

Year:

2003

Language:

english

File:

PDF, 505 KB

english, 2003

85

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Organic wavelength selective mirrors for luminescent solar concentrators

Verbunt, Paul P. C., Debije, Michael G., Broer, Dirk J., Bastiaansen, Cees W. M., de Boer, Dick K. G., Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 605 KB

english, 2012

86

Photonic Crystals (Advances in Design, Fabrication, and Characterization) || Front Matter

Busch, Kurt, Lölkes, Stefan, Wehrspohn, Ralf B., Föll, Helmut

Year:

2004

Language:

english

File:

PDF, 169 KB

english, 2004

87

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Efficiency enhancement of ITO-free organic polymeric solar cells by light trapping

de Oliveira Hansen, Roana M., Schiek, Manuela, Liu, Yinghui, Madsen, Morten, Rubahn, Horst-Günter, Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 1.52 MB

english, 2012

88

Perfect two-dimensional porous alumina photonic crystals with duplex oxide layers

Choi, Jinsub, Luo, Yun, Wehrspohn, Ralf B., Hillebrand, Reinald, Schilling, JoÌrg, GoÌsele, Ulrich

Journal:

Journal of Applied Physics

Year:

2003

Language:

english

File:

PDF, 793 KB

english, 2003

89

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Emission of Rhodamine B in PMMA opals for luminescent solar concentrators

Gutmann, Johannes, Posdziech, Janina, Peters, Marius, Steidl, Lorenz, Zentel, Rudolf, Zappe, Hans, Goldschmidt, Jan Christoph, Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 2.99 MB

english, 2012

90

Large-Scale Fabrication of Ordered Silicon Nanotip Arrays Used for Gas Ionization in Ion Mobility Spectrometers

Gesemann, Benjamin, Wehrspohn, Ralf, Hackner, Angelika, Muller, Gerhard

Journal:

IEEE Transactions on Nanotechnology

Year:

2011

Language:

english

File:

PDF, 402 KB

english, 2011

91

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 12 April 2010)] Photonics for Solar Energy Systems III - Optimal light trapping in ultra-thin photonic crystal crystalline silicon solar cells

Basu Mallick, Shrestha, Agrawal, Mukul, Peumans, Peter, Wehrspohn, Ralf B., Gombert, Andreas

Year:

2010

Language:

english

File:

PDF, 633 KB

english, 2010

92

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Broadband excitation of upconversion in lanthanide doped fluorides for enhancement of Si solar cells

MacDougall, Sean Kye W., Ivaturi, Aruna, Marques-Hueso, Jose, Chen, Daqin, Wang, Yuansheng, Richards, Bryce S., Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 636 KB

english, 2012

93

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 12 April 2010)] Photonics for Solar Energy Systems III - Amorphous SiC layers for electrically conductive Rugate filters in silicon based solar cells

Janz, S., Peters, M., Künle, M., Gradmann, R., Suwito, D., Wehrspohn, Ralf B., Gombert, Andreas

Year:

2010

Language:

english

File:

PDF, 405 KB

english, 2010

94

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Black silicon for solar cell applications

Kroll, Matthias, Otto, Martin, Käsebier, Thomas, Füchsel, Kevin, Wehrspohn, Ralf, Kley, Ernst-Bernhard, Tünnermann, Andreas, Pertsch, Thomas, Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 6.68 MB

english, 2012

95

Nanophotonic Materials || Ultra-low Refractive Index Mesoporous Substrates for Waveguide Structures

Wehrspohn, Ralf B., Kitzerow, H.-S., Busch, Kurt

Year:

2008

Language:

english

File:

PDF, 407 KB

english, 2008

96

Upgraded Silicon Nanowires by Metal-Assisted Etching of Metallurgical Silicon: A New Route to Nanostructured Solar-Grade Silicon

Li, Xiaopeng, Xiao, Yanjun, Bang, Jin Ho, Lausch, Dominik, Meyer, Sylke, Miclea, Paul-Tiberiu, Jung, Jin-Young, Schweizer, Stefan L., Lee, Jung-Ho, Wehrspohn, Ralf B.

Journal:

Advanced Materials

Year:

2013

Language:

english

File:

PDF, 1.06 MB

english, 2013

97

Gold/Carbon Composite Tubes and Gold Nanowires by Impregnating Templates with Hydrogen Tetrachloroaurate/Acetone Solutions

Göring, Petra, Pippel, Eckhard, Hofmeister, Herbert, Wehrspohn, Ralf B., Steinhart, Martin, Gösele, Ulrich

Journal:

Year:

2004

Language:

english

File:

PDF, 407 KB

english, 2004

98

SPIE Proceedings [SPIE SPIE Photonics Europe - Brussels, Belgium (Monday 16 April 2012)] Photonics for Solar Energy Systems IV - Light trapping in thin film solar cells: towards the Lambertian limit

Andreani, Lucio C., Bozzola, Angelo, Liscidini, Marco, Wehrspohn, Ralf, Gombert, Andreas

Year:

2012

Language:

english

File:

PDF, 1.31 MB

english, 2012

99

Activation of Al2O3passivation layers on silicon by microwave annealing

Ziegler, Johannes, Otto, Martin, Sprafke, Alexander N., Wehrspohn, Ralf B.

Journal:

Applied Physics A: Materials Science & Processing

Year:

2013

Language:

english

File:

PDF, 664 KB

english, 2013

100

Fast electroless fabrication of uniform mesoporous silicon layers

Li, Xiaopeng, Xiao, Yanjun, Yan, Chenglin, Song, Jae-Won, Talalaev, Vadim, Schweizer, Stefan L., Piekielska, Katarzyna, Sprafke, Alexander, Lee, Jung-Ho, Wehrspohn, Ralf B.

Journal:

Electrochimica Acta

Year:

2013

Language:

english

File:

PDF, 1.41 MB

english, 2013