Fig. 4: Transient absorption.
From: Tightly bonded excitons in chiral metal clusters for luminescent brilliance

a–d Transient absorption data and corresponding global analysis models of R-Au4(ptt)4 and R-Au2Cu2(ptt)4.
From: Tightly bonded excitons in chiral metal clusters for luminescent brilliance
a–d Transient absorption data and corresponding global analysis models of R-Au4(ptt)4 and R-Au2Cu2(ptt)4.