Figure 6 | Scientific Reports

Figure 6

From: Broadband light absorption enhancement in dye-sensitized solar cells with Au-Ag alloy popcorn nanoparticles

Figure 6

(a) Incident photon-to-electron conversion efficiency (IPCE) of DSCs incorporated with popcorn NPs at optimised concentration of 2.38 wt% (device 3) and TiO2-only DSCs (device 1). (b) The IPCE enhancement ratio of the plasmonic DSCs (device 3). IPCE enhancement ratio = (IPCEpopcorn(λ)/IPCETiO2-only(λ), where IPCEpopcorn(λ) and IPCETiO2-only(λ) are the IPCEs of the popcorn NP-enhanced DSCs and TiO2-only DSCs at wavelength λ, respectively.

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