ðɪ ˌaɪˈɑːɹɹɐbsˈoːɹbɪŋ pɹˈɑːpɚɾiz ʌv ðiːz nˌænoʊpˈɑːɹɾɪkəlz pɹɪvˈɛnts ðə tɹænsmˈɪtəns ʌv ˌɪnfɹɚɹˈɛd wˈeɪvlɛŋθs wˌaɪl stˈɪl ɐlˈaʊɪŋ ðə tɹænsmˈɪtəns ʌv vˈɪzᵻbəl lˈaɪt.
The IR-absorbing properties of these nanoparticles prevents the transmittance of infrared wavelengths while still allowing the transmittance of visible light.