PVMD Delft University of Technology Plasmonics in solar cells: - - PowerPoint PPT Presentation

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Mar 22, 2023 137 likes •242 views

Plasmonics in PV Part 2 Arno Smets PVMD Delft University of Technology Plasmonics in solar cells: learning objectives NPs behind Ag scattering NPs behind the absorber: back reflector electric fields: incident total + = reflected

SLIDE 1

PVMD

Delft University of Technology

Plasmonics in PV – Part 2

Arno Smets

SLIDE 2

Ag NPs behind scattering

Plasmonics in solar cells: learning objectives

SLIDE 3

+ =

incident reflected total electric fields:

NPs behind the absorber: back reflector

SLIDE 4

calculated driving field at NP measured:

absorbance ABR(=1-Rtot)
diffuse reflectance Rdif

SLIDE 5

plasmonic

Tan, Nano Letters 12 (2012) 4070

NP size and shape

SLIDE 6

a-Si:H solar cell on plasmonic BR

SLIDE 7

Tan, APL 102 (2013) 153902

nc-Si:H solar cell on plasmonic BR

SLIDE 8

Plasmonic white paint

Santbergen, 39th IEEE PVSC (2013) p. 29

Rback 92% 72% 95% 17° 35° 42°

Ag TiO2

+

Basch, APL 100 (2012) p. 243903

SLIDE 9

Conclusions

Large NPs (> 100 nm) in back reflector

– TF-Si:high haze but some absorption in Ag – c-Si: combined with TiO2 particles à broad scattering

Ag Ag Ag Ag

anti-reflection light trapping near-field enh. scattering

ARC works better

utcoupling