Advances in Materials Science and Engineering / 2019 / Article / Fig 12

Research Article

Multiligand Europium Complexes Incorporated Polyvinylpyrrolidone for Enhanced Solar Cell

Figure 12

UV-Vis transmission spectra (a) and absorption spectra (b) of Eu(BA)(TTA)2/PVP (curve 1) and Eu(BA)(TTA)2Phen/PVP (curve 2). The thickness of Eu(BA)(TTA)2/PVP and Eu(BA)(TTA)2Phen/PVP is 0.160 mm and 0.198 mm, respectively. The insets are the samples without (I) and with (II) Phen under direct sunlight, respectively.
(a)
(b)

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