. 2016 Nov 29;3(12):1600302. doi: 10.1002/advs.201600302

Table 1.

Comparison of (Mn²⁺/Yb³⁺) polyhedral bridging geometry, Mn²⁺–Yb³⁺ distance, Mn–L–Yb angle (L = halogen ions) and UC efficiency (ratio of the Mn²⁺ UC emission to the Yb³⁺ NIR emission was used when a 191 mW laser beam was focused on the sample by an f = 53 mm lens)33

Compound	Bridging geometry	Mn²⁺–Yb³⁺ distance[Å]	Mn–L–Yb angle[°]	η_UC[%]	T[K]	Ref.
Rb₂MnCl₄:Yb³⁺	corner	5.05	180	28(site A)	35	34
Rb₂MnCl₄:Yb³⁺	corner	5.05	180	18(site B)	15	34
CsMnCl₃:Yb³⁺	corner	5.2	177.2	8.5	75	35
RbMnCl₃:Yb³⁺	corner	5.02	177.1	2	10	32
MnCl₂:Yb³⁺	edge	3.71	92.8	4.1	12	33
MnBr₂:Yb³⁺	edge	3.82	89.8	1.2	12	33
RbMnCl₃:Yb³⁺	face	3.2	77.9	0.02	10	32
CsMnBr₃:Yb³⁺	face	3.26	74.8	0.05	12	36
RbMnBr₃:Yb³⁺	face	3.37	76.1	0.05	12	33