k - FOTON, Rennes

1
Synthèse et propriétés optiques de pérovskites
pour le photovoltaïque et l’émission de lumière
Emmanuelle DELEPORTE
Laboratoire Aimé Cotton

2 2
!"#$#%&'!"()*+)*,’)-.(!)*/*0'0#!"#$*1*'.2#.&+’".(*
3456778*9:;;8<6778*
='$)&>*
!?@:<AB6C8A*DEF@6G8A*
%?@4HG*+87I:@C*
=!D+>*
J4K4*'FG87*L4B6*
=!D*+>*
04;:CHF8A*G8*M4@F:;8*
)554;H8778*+878I:@C8*=!@N*
)09*34MD4;>*
284;O9?F4AK8;*,4H@8C*=!@*
)09*34MD4;>*
P6;M8;Q:*'@G6QQ:;8*
=I:ACOG:M>*
"6F4*+64F*=!D+>*
%4R778*'774@GO$@6I?*
*=(;S?;68H@*G’)CHG8A*30&9>*
JD4:H74*28576*=!D+>*
';;8*+8F4@@8*
*=30&9>*
04;:AI8MC@:AM:I68*
"4ECD45*T4D@4**
=!D*+>*
U8@685*9C45F:H7*
=!D+>*

3
);*M:774F:@4K:;*?C@:6C8*4<8M*
!68@@8*'HG8F8@C*=!@*
)09*34MD4;*!!9U>*
,4H@8;C*%4756MD8*
=(;S?;68H@*G’)CHG8A*
)09*34MD4;*!!9U>*
*
3:HMD8A*56;M8A*
PMPI
V*55*W*X*55*W*Y*
55
!?@:<AB6C8A*DEF@6G8A*I:H@*7’?56AA6:;=#,)+AZ*74A8@A>**
8C*78*ID:C:<:7C4[\H8*=M877H78A*A:746@8A>**
Nanopar*cules0
Cristaux0
Pas*lles0
(CH3NH3)PbI30
(C6H5<C2H4<NH3)2PbI40

4 4
GOALS
LIGHT-MATTER COUPLING
PHOTOVOLTAÏC Systems which COLLECT light: nano-antennas
Physical analysis of the energy transfers
Role of the interfaces
QUANTUM OPTICS Systems which EMIT light: microcavities
Polariton lasers
Single photon sources
• Material engineering
• Mastery of the material
• Precise knowledge of the electronic properties
Necessity of

5
OPTICAL EXPERIMENTS
• Absorption spectroscopy
• Angle-resolved reflectivity
• Photoluminescence spectroscopy
• Microphotoluminescence ! Individual object
• Pump-probe ultrafast spectroscopy (femtosecond)
From the near UV (300 nm) to the IR (1,5 microns) range, from 10K to 300K
Light-matter interaction
Information on the electronic structure of the nanomaterials,
confinement effects, energy transfer
Linear and non-linear optical properties of semiconducting
nanomaterials
Dynamics of electronic interactions
Proche IR, visible, proche UV