![Figure 1 from Biotechnol . Oxygen Triplet Ground State Porphyrin Singlet Ground State Oxygen Singlet Excited State Porphyrin Singlet Excited State Porphyrin Triplet | Semantic Scholar Figure 1 from Biotechnol . Oxygen Triplet Ground State Porphyrin Singlet Ground State Oxygen Singlet Excited State Porphyrin Singlet Excited State Porphyrin Triplet | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/531332a79a7187212892d435e0fafc2e22492286/3-Figure1-1.png)
Figure 1 from Biotechnol . Oxygen Triplet Ground State Porphyrin Singlet Ground State Oxygen Singlet Excited State Porphyrin Singlet Excited State Porphyrin Triplet | Semantic Scholar
![Understanding the Control of Singlet-Triplet Splitting for Organic Exciton Manipulating: A Combined Theoretical and Experimental Approach | Scientific Reports Understanding the Control of Singlet-Triplet Splitting for Organic Exciton Manipulating: A Combined Theoretical and Experimental Approach | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fsrep10923/MediaObjects/41598_2015_Article_BFsrep10923_Fig1_HTML.jpg)
Understanding the Control of Singlet-Triplet Splitting for Organic Exciton Manipulating: A Combined Theoretical and Experimental Approach | Scientific Reports
![quantum mechanics - Intuitively, why is the energy decrease of the singlet state three times larger than the energy increase of the triplet state (hyperfine correction)? - Physics Stack Exchange quantum mechanics - Intuitively, why is the energy decrease of the singlet state three times larger than the energy increase of the triplet state (hyperfine correction)? - Physics Stack Exchange](https://i.stack.imgur.com/rGepO.png)
quantum mechanics - Intuitively, why is the energy decrease of the singlet state three times larger than the energy increase of the triplet state (hyperfine correction)? - Physics Stack Exchange
![Optical examination of the change between singlet and triplet states of electron pairs in charge-separated states Optical examination of the change between singlet and triplet states of electron pairs in charge-separated states](https://scx2.b-cdn.net/gfx/news/2021/snapshots-from-the-qua.jpg)
Optical examination of the change between singlet and triplet states of electron pairs in charge-separated states
Direct population of triplet excited states through singlet–triplet transition for visible-light excitable organic afterglow - Chemical Science (RSC Publishing)
![Thermally controlling the singlet–triplet energy gap of a diradical in the solid state - Chemical Science (RSC Publishing) DOI:10.1039/C6SC01825D Thermally controlling the singlet–triplet energy gap of a diradical in the solid state - Chemical Science (RSC Publishing) DOI:10.1039/C6SC01825D](https://pubs.rsc.org/image/article/2016/SC/c6sc01825d/c6sc01825d-s1_hi-res.gif)