## Abstract A novel wide‐bandgap conjugated polymer (PDHFSCHD) consisting of alternating dihexylfluorene and rigidly twisted biphenyl units has been synthesized. The new fluorene‐based copolymer composed of rigid twisting segments in the main‐chain exhibits an optical bandgap of as high as 3.26 eV,
✦ LIBER ✦
Nanoscale Ultraviolet-Light-Emitting Diodes Using Wide-Bandgap Gallium Nitride Nanorods
✍ Scribed by H.-M. Kim; T.W. Kang; K.S. Chung
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 175 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0935-9648
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✦ Synopsis
The fabrication of p–n junctions in individual GaN nanorods has been realized using hydride vapor phase epitaxy. Application of the resulting heterostructures as wide bandgap current rectifiers with a high breakdown voltage and for near UV light‐emitting diodes is demonstrated. The Figure is a luminescence image of the light emitted from a forward‐biased nanorod p–n junction at 3 V.
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Ping Lu; Haiquan Zhang; Fangzhong Shen; Bing Yang; Di Li; Yuguang Ma; Xinfang Ch
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Article
📅
2003
🏛
John Wiley and Sons
🌐
English
⚖ 177 KB