Efficiency of photon upconversion (UC) from near infrared (NIR) to visible emission by the triplet-triplet annihilation (TTA) mechanism in solid has been limited to be low in spite of its... Click to show full abstract
Efficiency of photon upconversion (UC) from near infrared (NIR) to visible emission by the triplet-triplet annihilation (TTA) mechanism in solid has been limited to be low in spite of its...
               
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