Researchers have recreated the world's oldest synthetic pigment, called Egyptian blue, which was used in ancient Egypt about 5,000 years ago.
实验125a：热导率分析
- 样品材料：石墨烯复合泡沫(GCF-12X)
- 温度范围：298K - 773K (±0.5K)
- 测量导热系数：5300 W/m·K @ 300K
- 测试条件：1 atm (101.325 kPa)
- 声子平均自由程：8.2 μm (±0.15μm)
拉曼光谱分析(λ=532nm)
| 峰位 | 位置(cm⁻¹) | 半高宽 |
|---|---|---|
| G带 | 1582 | 16.5 |
| 2D带 | 2700 | 32.8 |
所有测量均采用配备Gatan K2-IS相机(4k×4k分辨率)的JEOL JEM-ARM300F(300kV)透射电子显微镜完成