Preparation, characterization, and luminescence properties of double perovskite SrLaMgSbO<sub>6</sub>:Mn<sup>4+</sup> far-red emitting phosphors for indoor plant growth lighting.

RSC Adv · 2018 · PMC9087209 · PMID 35547070

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

an increasing trendno p-value reported

As the Mn 4+ concentration increased, the PL intensity firstly showed an increasing trend, and then decreased when the concentration was higher than 0.8 mol%, indicating the occurrence of the concentration quenching effect.

also in 63,971 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.