M. Asghar, J. Zhang, H. Wang, and P. Lund, Device stability of perovskite solar cells-a review. Renewable and Sustainable Energy Reviews, vol.77, pp.131-146, 2017.

S. D. Stranks, G. E. Eperon, G. Grancini, C. Menelaou, M. J. Alcocer et al., Electron-hole diffusion lengths exceeding 1 micrometer in an organometal trihalide perovskite absorber, Nature Energy, vol.342, p.16152, 2013.

F. Giustino and H. J. Snaith, Toward leadfree perovskite solar cells, ACS Energy Letters, vol.1, pp.1233-1240, 2016.

L. Dou, A. B. Wong, Y. Yu, M. Lai, N. Kornienko et al., Atomically thin two-dimensional organic-inorganic hybrid perovskites, vol.349, pp.1518-1521, 2015.

L. Mao, W. Ke, L. Pedesseau, Y. Wu, C. Katan et al., Hybrid Dion-Jacobson 2D lead iodide perovskites, Journal of the American Chemical Society, vol.140, pp.3775-3783, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01714840

C. M. Soe, C. C. Stoumpos, M. Kepenekian, B. Traoré, H. Tsai et al., New type of 2D perovskites with alternating cations in the interlayer space, C (NH2) 3)(CH3NH3) n Pb n I3 n+ 1: Structure, properties, and photovoltaic performance, vol.139, pp.16297-16309, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01628381

L. Pedesseau, D. Sapori, B. Traore, R. Robles, H. Fang et al., Advances and promises of layered halide hybrid perovskite semiconductors, ACS Nano, vol.10, pp.9776-9786, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01384468

Y. Chen, Y. Sun, J. Peng, J. Tang, K. Zheng et al., 2D Ruddlesden-Popper perovskites for optoelectronics, Advanced Materials, vol.30, p.1703487, 2018.

A. Leblanc, N. Mercier, M. Allain, J. Dittmer, V. Fernandez et al., Lead-and Iodide-Deficient (CH3NH3) PbI3 (d-MAPI): The Bridge between 2D and 3D Hybrid Perovskites, Angewandte Chemie, vol.56, pp.16067-16072, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01705372

I. Spanopoulos, W. Ke, C. C. Stoumpos, E. C. Schueller, O. Y. Kontsevoi et al., Unraveling the Chemical Nature of the 3D Hollow Hybrid Halide Perovskites, Journal of the American Chemical Society, vol.140, pp.5728-5742, 2018.

H. Tsai, W. Nie, J. Blancon, C. C. Stoumpos, R. Asadpour et al., High-efficiency two-dimensional Ruddlesden-Popper perovskite solar cells, Nature, vol.536, p.312, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01343129

J. Blancon, H. Tsai, W. Nie, C. C. Stoumpos, L. Pedesseau et al.,

M. M. Appavoo, K. Sfeir, and M. Y. , Extremely efficient internal exciton dissociation through edge states in layered 2D perovskites, vol.355, pp.1288-1292, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01486953

J. Yan, W. Qiu, G. Wu, P. Heremans, and H. Chen, Recent progress in 2D/quasi-2D layered metal halide perovskites for solar cells, Journal of Materials Chemistry A, vol.6, pp.11063-11077, 2018.

J. Even, L. Pedesseau, and C. Katan, Understanding quantum confinement of charge carriers in layered 2D hybrid perovskites, ChemPhysChem, vol.15, pp.3733-3741, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01061361

D. H. Cao, C. C. Stoumpos, O. K. Farha, J. T. Hupp, and M. G. Kanatzidis, 2D homologous perovskites as light-absorbing materials for solar cell applications, Journal of the American Chemical Society, vol.137, pp.7843-7850, 2015.

X. Gong, O. Voznyy, A. Jain, W. Liu, R. Sabatini et al., Electron-phonon interaction in efficient perovskite blue emitters, Nature Materials, vol.17, p.550, 2018.

M. D. Smith and H. I. Karunadasa, White-Light Emission from Layered Halide Perovskites, Accounts of chemical research, vol.51, pp.619-627, 2018.

G. Lanty, K. Jemli, Y. Wei, J. Leymarie, J. Even et al., Room-Temperature Optical Tunability and Inhomogeneous Broadening in 2D-Layered Organic-Inorganic Perovskite Pseudobinary Alloys. The Journal of, Physical Chemistry Letters, vol.5, pp.3958-3963, 2014.

K. Zhao-du, Q. Tu, X. Zhang, Q. Han, J. Liu et al., Two-Dimensional Lead(II) Halide-Based Hybrid Perovskites Templated by Acene Alkylamines: Crystal Structures, Optical Properties, and Piezoelectricity, vol.56, pp.9291-9302, 2017.

J. Blancon, A. V. Stier, H. Tsai, W. Nie, C. Stoumpos et al., Scaling law for excitons in 2D perovskite quantum wells, Nature Communications, vol.9, p.2254, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01811274

C. Katan, N. Mercier, and J. Even, Quantum and Dielectric Confinement Effects in Lower-Dimensional Hybrid Perovskite Semiconductors, Chemical Reviews, vol.119, pp.3140-3192, 2019.
URL : https://hal.archives-ouvertes.fr/hal-01982514

X. Hong, T. Ishihara, and A. V. Nurmikko, Dielectric confinement effect on excitons inPbI4-based layered semiconductors, Physical Review B, vol.45, pp.6961-6964, 1992.

J. L. Knutson, J. D. Martin, and D. B. Mitzi, Tuning the Band Gap in Hybrid Tin Iodide Perovskite Semiconductors Using Structural Templating, Inorganic Chemistry, vol.44, pp.4699-4705, 2005.

D. B. Straus, S. Hurtado-parra, N. Iotov, J. Gebhardt, A. M. Rappe et al., Direct observation of electronphonon coupling and slow vibrational relaxation in organic-inorganic hybrid perovskites, Journal of the American Chemical Society, vol.138, pp.13798-13801, 2016.

L. Ni, U. Huynh, A. Cheminal, T. H. Thomas, R. Shivanna et al., Real-Time Observation of Exciton-Phonon Coupling Dynamics in Self-Assembled Hybrid Perovskite Quantum Wells, ACS Nano, vol.11, pp.10834-10843, 2017.

D. Cortecchia, S. Neutzner, A. R. Kandada, E. Mosconi, D. Meggiolaro et al., Broadband Emission in Two-Dimensional Hybrid Perovskites: The Role of Structural Deformation, Journal of the American Chemical Society, vol.139, pp.39-42, 2016.

E. P. Booker, T. H. Thomas, C. Quarti, M. R. Stanton, C. D. Dashwood et al., Formation of long-lived color centers for broadband visible light emission in low-dimensional layered perovskites, vol.139, pp.18632-18639, 2017.

T. Kataoka, T. Kondo, R. Ito, S. Sasaki, K. Uchida et al., Magneto-optical study on excitonic spectra in (C6H13NH3)2PbI4. Physical Review B, vol.47, pp.2010-2018, 1993.

C. Qing-xu, H. Sakakura, T. Kondo, S. Takeyama, N. Miura et al., Magneto-optical effects of excitons in (C10H21NH3)2PbI4 under high magnetic fields up to 40 T, Solid State Communications, vol.79, pp.249-253, 1991.

K. Gauthron, J. Lauret, L. Doyennette, G. Lanty, A. A. Choueiry et al., Optical spectroscopy of two-dimensional layered (C 6H 5C 2H 4-NH 3) 2-PbI 4 perovskite, Optics Express, vol.18, p.5912, 2010.

S. Neutzner, F. Thouin, D. Cortecchia, A. Petrozza, C. Silva et al., Exciton-polaron spectral structures in two-dimensional hybrid lead-halide perovskites, Physical Review Materials, vol.2, p.64605, 2018.

T. Ishihara, J. Takahashi, and T. Goto, Optical properties due to electronic transitions in two-dimensional semiconductors (CnH2n+1NH3)2PbI4, Physical Review B, vol.42, pp.11099-11107, 1990.

J. Fujisawa and T. Ishihara, Excitons and biexcitons bound to a positive ion in a bismuth-doped inorganic-organic layered lead iodide semiconductor. Physical Review B, p.205330, 2004.

D. G. Billing and A. Lemmerer, Synthesis, characterization and phase transitions in the inorganic-organic layered perovskitetype hybrids, Acta Crystallographica Section B Structural Science, vol.63, pp.735-747, 2007.

A. Lemmerer and D. G. Billing, Synthesis, characterization and phase transitions of the inorganic-organic layered perovskitetype hybrids, Dalton Trans, vol.41, pp.1146-1157, 2012.

D. G. Billing and A. Lemmerer, Synthesis, characterization and phase transitions of the inorganic-organic layered perovskitetype hybrids, New Journal of Chemistry, vol.32, issue.18, p.1736, 2008.

O. Yaffe, A. Chernikov, Z. M. Norman, Y. Zhong, A. Velauthapillai et al., Excitons in ultrathin organic-inorganic perovskite crystals, Physical Review B, p.45414, 2015.

J. A. Sichert, A. Hemmerling, C. Cardenas-daw, A. S. Urban, and J. Feldmann, Tuning the optical bandgap in layered hybrid perovskites through variation of alkyl chain length, APL Materials, vol.7, p.41116, 2019.

Z. Yang, A. Surrente, K. Galkowski, N. Bruyant, D. K. Maude et al., Unraveling the Exciton Binding Energy and the Dielectric Constant in Single-Crystal Methylammonium Lead Triiodide Perovskite, The Journal of Physical Chemistry Letters, vol.8, pp.1851-1855, 2017.

I. Pelant and J. Valenta, Luminescence spectroscopy of semiconductors, 2012.

K. Galkowski, A. Mitioglu, A. Miyata, P. Plochocka, O. Portugall et al., Determination of the exciton binding energy and effective masses for methylammonium and formamidinium lead trihalide perovskite semiconductors, Energy & Environmental Science, vol.9, pp.962-970, 2016.

K. Galkowski, A. Surrente, M. Baranowski, B. Zhao, Z. Yang et al., Excitonic Properties of Low Bandgap Lead-Tin Halide Perovskites, ACS Energy Letters, vol.4, pp.615-621, 2019.

I. Vurgaftman, J. Á. Meyer, and L. Ram-mohan, Band parameters for III-V compound semiconductors and their alloys, Journal of Applied Physics, vol.89, pp.5815-5875, 2001.

A. V. Stier, N. P. Wilson, K. A. Velizhanin, J. Kono, X. Xu et al., Magnetooptics of exciton Rydberg states in a monolayer semiconductor, Phys. Rev. Lett, vol.120, p.57405, 2018.

N. Miura, Physics of semiconductors in high magnetic fields, vol.15, 2008.

J. Even, L. Pedesseau, J. Jancu, and C. Katan, modelling of the phase transitions of lead and tin halide perovskites for photovoltaic cells, Phys. Status Solidi RRL, vol.8, p.31, 2014.
URL : https://hal.archives-ouvertes.fr/hal-00920121

T. Umebayashi, K. Asai, T. Kondo, and A. Nakao, Electronic structures of lead iodide based low-dimensional crystals, Physical Review B, vol.67, p.155405, 2003.

A. Miyata, A. Mitioglu, P. Plochocka, O. Portugall, J. T. Wang et al., Direct measurement of the exciton binding energy and effective masses for charge carriers in organicinorganic tri-halide perovskites, Nature Physics, vol.11, pp.582-587, 2015.

J. M. Soler, E. Artacho, J. D. Gale, A. García, J. Junquera et al., Sánchez-Portal, D. The SIESTA method for ab initio order-N materials simulation, J. Phys.: Condens. Matter, vol.14, pp.2745-2779, 2002.

E. Artacho, E. Anglada, O. Diéguez, J. D. Gale, A. García et al., The SIESTA method; developments and applicability, J. Phys.: Condens. Matter, vol.20, p.64208, 2008.

Y. Zhang and W. Yang, Comment on "Generalized Gradient Approximation Made Simple, Phys. Rev. Lett, p.890, 1998.

N. Troullier and J. L. Martins, EfFicient pseudopotentials for plane-wave calculations, Phys. Rev. B, p.43, 1991.

E. Artacho, D. Sánchez-portal, P. Ordejón, A. García, and J. M. Soler, Linear-Scaling ab-initio Calculations for Large and Complex Systems. phys. stat. sol. (b), vol.215, p.809, 1999.

L. Fernández-seivane, M. A. Oliveira, S. Sanvito, and J. Ferrer, On-site approximation for spinorbit coupling in linear combination of atomic orbitals density functional methods, J. Phys.: Condens. Matter, vol.18, p.7999, 2006.