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- Publications
- Influence
Development of thin‐film Cu(In,Ga)Se2 and CdTe solar cells
- A. Romeo, M. Terheggen, +5 authors A. N. Tiwari
- Materials Science
- 1 March 2004
Cu(In,Ga)Se2 and CdTe heterojunction solar cells grown on rigid (glass) or flexible foil substrates require p-type absorber layers of optimum optoelectronic properties and n-type wide-bandgap partner… Expand
Organometallic Halide Perovskites: Sharp Optical Absorption Edge and Its Relation to Photovoltaic Performance.
- S. De Wolf, J. Holovský, +6 authors C. Ballif
- Chemistry, Medicine
- The journal of physical chemistry letters
- 11 March 2014
Solar cells based on organometallic halide perovskite absorber layers are emerging as a high-performance photovoltaic technology. Using highly sensitive photothermal deflection and photocurrent… Expand
Light trapping in solar cells: can periodic beat random?
- C. Battaglia, C. Hsu, +9 authors C. Ballif
- Materials Science, Medicine
- ACS nano
- 7 March 2012
Theory predicts that periodic photonic nanostructures should outperform their random counterparts in trapping light in solar cells. However, the current certified world-record conversion efficiency… Expand
Efficient nanocoax-based solar cells
- M. Naughton, K. Kempa, +18 authors C. Eminian
- Materials Science
- 1 July 2010
Despite requiring thick layers of rela-tively costly material, the vast majority of today’s solar pho-tovoltaic (PV) cells employ crystalline media, due to their superior energy conversion efficiency… Expand
High‐Efficiency Amorphous Silicon Solar Cell on a Periodic Nanocone Back Reflector
- C. Hsu, C. Battaglia, +5 authors Y. Cui
- Materials Science
- 1 June 2012
An amorphous silicon solar cell on a periodic nanocone back reflector with a high 9.7% initial conversion efficiency is presented. The optimized back-reflector morphology provides powerful light… Expand
Effects of NaF coevaporation on structural properties of Cu(In, Ga)Se2 thin films
- D. Rudmann, G. Bilger, M. Kälin, Franz-Josef Haug, H. Zogg, A. N. Tiwari
- Chemistry
- 1 May 2003
Abstract Cu(In,Ga)Se 2 (CIGS) layers have been deposited using the three-stage process on Mo coated soda-lime glass substrates with an alkali diffusion barrier. Sodium has been incorporated in such… Expand
Plasmonic absorption in textured silver back reflectors of thin film solar cells
- Franz-Josef Haug, T. Söderström, O. Cubero, V. Terrazzoni-Daudrix, C. Ballif
- Materials Science
- 24 September 2008
We study the influence of different textures and dielectric environments on the excitation of surface plasmon resonances on silver because textured metallic films often serve as back contacts of… Expand
Photocurrent increase in n-i-p thin film silicon solar cells by guided mode excitation via grating coupler
- K. Söderström, Franz-Josef Haug, J. Escarré, O. Cubero, C. Ballif
- Physics
- 26 May 2010
Angle resolved measurements of the external quantum efficiency of n-i-p single junction amorphous solar cell deposited on a grating structure show clearly defined peaks of enhanced photocurrent in… Expand
Light management in thin film silicon solar cells
- Franz-Josef Haug, C. Ballif
- Materials Science
- 5 March 2015
Thin film silicon is an attractive and versatile material for photovoltaics whose manufacturing reached a high level of maturity. Owing to its moderate efficiency compared to crystalline… Expand
Review: Progress in solar cells from hydrogenated amorphous silicon
- M. Stuckelberger, R. Biron, N. Wyrsch, Franz-Josef Haug, C. Ballif
- Materials Science
- 1 September 2017
Hydrogenated amorphous silicon (a-Si:H) has been used for decades—doped and as intrinsic absorber layers—in thin-film silicon solar cells. Whereas their effiency was improved for a long time by the… Expand