Table 1. Compositions of Materials.

material	BG synthesis method	BG (% w/w)	PPh (% w/w)
PCL
PCL/15PPh			1.5
PCL/45PPh			4.5
PCL-A2mq	melt-quenching	30
PCL-A2mq/15PPh	melt-quenching	30	1.5
PCL-A2mq/45PPh	melt-quenching	30	4.5
PCL-A2sg	sol–gel	30
PCL-A2sg/15PPh	sol–gel	30	1.5
PCL-A2sg/45PPh	sol–gel	30	4.5
PCL-A2sa	sol–gel-EISA	30
PCL-A2sa/15PPh	sol–gel-EISA	30	1.5
PCL-A2sa/45PPh	sol–gel-EISA	30	4.5