Table 3. Electrochemical Properties Data and Molecular Energy Levels of PTK, PBTK, and PFTK.

polymer	E1/2red (V)	LUMO (eV)a	HOMO (eV)b	LUMO (eV)c	HOMO (eV)c
PTK	–1.81	–2.99	–5.50	–2.91	–6.30
PBTK	–1.76	–3.04	–5.34	–3.19	–6.26
PFTK	–1.86	–2.94	–5.30	–2.89	–5.91

^aCalculated from CV: E_LUMO = −(4.80 + E_1/2^red) eV.

^bCalculated from E_LUMO and E_g^opt.: E_HOMO = E_LUMO − E_g.

^cThe DFT calculation data.