J. S. Kasper, P. Hagenmuller, M. Pouchard, and C. Cros, Clathrate Structure of Silicon Na8Si46 and NaxSi136 (x < 11), Science, vol.150, issue.3704, pp.1713-1714, 1965.

T. Narita, H. Ueno, T. Baba, T. Kume, T. Ban et al., Preparation of NaSi thin films for the guest free Si clathrate thin films by heat resistance apparatus using NaSi target materials, physica status solidi (c), vol.7, pp.NA-NA, 2010.

F. Ohashi, Y. Iwai, A. Noguchi, T. Sugiyama, M. Hattori et al., Thin-film formation of Si clathrates on Si wafers, Journal of Physics and Chemistry of Solids, vol.75, issue.4, pp.518-522, 2014.

L. Krishna, L. L. Baranowski, A. D. Martinez, C. A. Koh, P. C. Taylor et al., Efficient route to phase selective synthesis of type II silicon clathrates with low sodium occupancy, CrystEngComm, vol.16, issue.19, pp.3940-3949, 2014.

M. Amsler, S. Botti, M. A. Marques, T. J. Lenosky, and S. Goedecker, Low-density silicon allotropes for photovoltaic applications, Physical Review B, vol.92, issue.1, p.14101, 2015.

L. Krishna and C. A. Koh, Inorganic and methane clathrates: Versatility of guest?host compounds for energy harvesting, MRS Energy & Sustainability, vol.2, p.8, 2015.

J. Gryko, P. F. Mcmillan, R. F. Marzke, G. K. Ramachandran, D. Patton et al., Low-density framework form of crystalline silicon with a wide optical band gap, Physical Review B, vol.62, issue.12, pp.R7707-R7710, 2000.

F. Low, -density Framework Form of Crystalline Silicon with a Wide Optical Band Gap, Phys. Rev. B, vol.62, pp.7707-7710, 2000.

T. Kume, F. Ohashi, and S. Nonomura, Group IV clathrates for photovoltaic applications, Japanese Journal of Applied Physics, vol.56, issue.5S1, p.05DA05, 2017.

K. S. Chan, M. A. Miller, W. Liang, C. Ellis-terrell, and C. K. Chan, First principles and experimental studies of empty Si46 as anode materials for Li-ion batteries, Journal of Materials Research, vol.31, issue.23, pp.3657-3665, 2016.

K. S. Chan, M. A. Miller, C. Ellis-terrell, and C. K. Chan, Synthesis and Characterization of Empty Silicon Clathrates for Anode Applications in Li-ion Batteries, MRS Advances, vol.1, issue.45, pp.3043-3048, 2016.

X. M. Li, K. X. Steirer, L. Krishna, C. X. Xiao, K. Fink et al., Electrochemical Properties and Challenges of Type II Silicon Clathrate Anode in Sodium Ion Batteries, Journal of The Electrochemical Society, vol.166, issue.13, pp.A3051-A3058, 2019.

P. Warrier and C. A. Koh, Silicon clathrates for lithium ion batteries: A perspective, Applied Physics Reviews, vol.3, issue.4, p.040805, 2016.

K. Chae, S. H. Kang, S. M. Choi, D. Y. Kim, and Y. W. Son, Enhanced Thermoelectric Properties in a New Silicon Crystal Si24 with Intrinsic Nanoscale Porous Structure, Nano Letters, vol.18, issue.8, pp.4748-4754, 2018.

J. C. Li, C. L. Wang, M. X. Wang, H. Peng, R. Z. Zhang et al., A study of the vibrational and thermoelectric properties of silicon type I and II clathrates, Journal of Applied Physics, vol.105, issue.4, p.043503, 2009.

S. Botti, J. A. Flores-livas, M. Amsler, S. Goedecker, and M. A. Marques, Low-energy silicon allotropes with strong absorption in the visible for photovoltaic applications, Physical Review B, vol.86, issue.12, p.121204, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00781234

A. D. Martinez, L. Krishna, L. L. Baranowski, M. T. Lusk, E. S. Toberer et al., Synthesis of Group IV Clathrates for Photovoltaics, IEEE Journal of Photovoltaics, vol.3, issue.4, pp.1305-1310, 2013.

J. F. Wu, H. Gao, K. Xia, D. Y. Xing, and J. Sun, Silicon clathrates for photovoltaics predicted by a two-step crystal structure search, Applied Physics Letters, vol.111, issue.17, p.173904, 2017.

L. Krishna, A. D. Martinez, L. L. Baranowski, N. P. Brawand, C. A. Koh et al., Group IV clathrates: synthesis, optoelectonic properties, and photovoltaic applications, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices III, p.898108, 2014.

T. Kume, F. Ohashi, K. Sakai, A. Fukuyama, M. Imai et al., Thin film of guest-free type-II silicon clathrate on Si(111) wafer, Thin Solid Films, vol.609, pp.30-34, 2016.

Y. J. Oh, I. Lee, S. Kim, J. Lee, and K. J. Chang, Dipole-allowed direct band gap silicon superlattices, Scientific Reports, vol.5, issue.1, p.18086, 2015.

S. G. Cloutier, P. A. Kossyrev, and J. Xu, Optical gain and stimulated emission in periodic nanopatterned crystalline silicon, Nature Materials, vol.4, issue.12, pp.887-891, 2005.

S. Lecler, S. Bastide, J. Tan, M. Qu, A. Slaoui et al., Plasmonic effect of Ag nanoparticles in a SiON antireflective coating: engineering rules and physical barrier, Journal of Physics D: Applied Physics, vol.49, issue.41, p.415102, 2016.

B. Bläsi, S. Jüchter, S. Meisenheimer, O. Höhn, H. Hauser et al., Study of plasmonic nanoparticle arrays for photon management in solar cells, Photonics for Solar Energy Systems V, 2014.

. Spie, SPIE Photonics Europe 2014, SPIE Professional, p.91400, 2014.

Y. Guyot, B. Champagnon, E. Reny, C. Cros, M. Pouchard et al., Raman scattering of silicon clathrates, Physical Review B, vol.57, issue.16, pp.R9475-R9477, 1998.

S. L. Fang, L. Grigorian, P. C. Eklund, G. Dresselhaus, M. S. Dresselhaus et al., Raman scattering from vibrational modes inSi46clathrates, Physical Review B, vol.57, issue.13, pp.7686-7693, 1998.

A. Ammar, C. Cros, M. Pouchard, N. Jaussaud, J. M. Bassat et al., On the clathrate form of elemental silicon, Si136: preparation and characterisation of NaxSi136 (x?0), Solid State Sciences, vol.6, issue.5, pp.393-400, 2004.