Table 3 Values of LHE and excited state lifetime (t) for R and DD1–DD8 molecules in solvent.

From: Designing of pyrrolopyrazine-based electron transporting materials with architecture (A1-D-A2) in perovskite solar cells: a DFT study

Molecules

LHE

τ (ns)

R

0.879

0.183

DD1

0.947

0.281

DD2

0.948

0.273

DD3

0.955

0.282

DD4

0.970

0.180

DD5

0.968

0.186

DD6

0.951

0.185

DD7

0.944

0.168

DD8

0.963

0.181

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