div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: H Uoyama et al Nature 492 234 - 238 2012 doi:101038nature 11687 src=https:reader035fdocumentsinreader035viewer202206232256814f3d550346895dbce2fbhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpH Uoyama et al Nature 492 234-238 2012 doi:101038nature11687p pPhotoluminescence of the CDCB seriespdiv