| 查看: 15033 | 回復(fù): 12 | ||||
低調(diào)而已金蟲 (小有名氣)
|
[求助]
求助g-C3N4的XRD標(biāo)準(zhǔn)卡片
|
|||
| 如題,求助類石墨相C3N4的XRD標(biāo)準(zhǔn)卡片 |
g-C3N4 | g-C3N4 |
新蟲 (正式寫手)
木蟲 (著名寫手)
有木有蟲
|
以上兩個(gè)就是g-C3N4的標(biāo)準(zhǔn)卡片。 g-C3N4中的g是graphite或graphitic之意,想必你明白的,石墨的結(jié)構(gòu)就六方和三方兩種,你不知道么?你還想要哪種呢? 現(xiàn)在合成出的g-C3N4其化學(xué)組成基本上都不滿足C/N=3/4,就跟石墨化碳材料絕大部分不是純碳一個(gè)意思,也就是達(dá)不到完美的六方或三方石墨結(jié)構(gòu),否則就直接用β-C3N4了,何必遮遮掩掩地用g-C3N4呢? 不明白可以好好看看下面這幾篇文獻(xiàn): Chem.–Eur. J., 2007, 13, 4969–4980. J. Am. Chem. Soc., 2001, 123, 7788-7796. Diamond Relat. Mater., 1999, 8, 1175–1182. |
木蟲 (著名寫手)
有木有蟲
|
Card Information Names: beta-Carbon Nitride Formula: C3 N4 PDF Number: 50-1250 Quality: indexed Subfiles: inorganic alloy Cell and Symmetry Information System: hexagonal Space Group: P63/m (no. 176) a: 6.4262 c: 2.4590 Z: 2 Instrument Information Radiation: Wavelength: Instrument(d): diffractometer Instrument(I): visual estimate I type: unknown Comments and Additional Information Unit Cell: Reference reports: a=6.43, c=2.46. General: Cell parameters generated by least squares refinement. Preparation: Prepared by radio frequency sputtering of C target onto Si or Ge wafer at 400-600 C under H2 atmosphere. Analysis: Chemical analysis (at.%): C 60.0, N 30.0, O 10.0. d-Spacings: 1 Reflection (200) overlaps forbidden peak from substrate which appears because of strain. Literature References General: Yu, K.-M., Cohen, M., Haller, E., Hansen, W.,Liu, A., Wu, I. Phys. Rev. B: Condens. Matter 49 5034 (1994) PeakList h k l d I 1 0 0 5.5650 50 1 1 0 3.2130 50 2 0 0 2.7830 100 1 0 1 2.2590 100 2 1 0 2.1030 50 1 1 1 1.9530 50 3 0 0 1.8550 50 2 1 1 1.5980 5 3 1 0 1.5430 5 3 0 1 1.4810 5 2 2 1 1.3450 5 3 2 0 1.2770 5 0 0 2 1.2290 5 3 2 1 1.1330 50 2 0 2 1.1250 5 4 1 1 1.0890 5 |
木蟲 (著名寫手)
有木有蟲
|
Card Information Names: Carbon Nitride Formula: C3 N4 PDF Number: 78-1747 Quality: calculated Subfiles: inorganic FIZ Cell and Symmetry Information System: rhombohedral Space Group: R3m (no. 160) a: 4.74413 c: 9.19285 Density (Dx): 2.559 Z: 3 Instrument Information Radiation: CuKa1 Wavelength: 1.54060 Instrument(d): calculated Cut Off: 17.7 Instrument(I): calculated I type: peak heights I/Icor: 2.11 Comments and Additional Information ICSD Number: 041952 TT No R value given. TT At least one TF missing. NT This entry was previously Zr3 Rh5, ICSD 062932 TI Stability of carbon nitride solids WY b2 a (R3MR) AF N3O4 Literature References General: Calculated from ICSD using POWD-12++ ( ) Structure: Liu, A.Y., Wentzcovitch, R.M. Phys. Rev. B: Solid State 50 10362 (1994) Peak Data PeakList h k l d I 1 0 1 3.7510 117 0 0 3 3.0643 999 0 1 2 3.0643 999 1 1 0 2.3721 15 1 0 4 2.0048 158 0 2 1 2.0048 158 1 1 3 1.8755 120 2 0 2 1.8755 120 0 1 5 1.6782 3 0 0 6 1.5321 79 0 2 4 1.5321 79 1 2 2 1.4712 3 2 0 5 1.3700 23 3 0 0 1.3700 23 1 1 6 1.2867 3 2 1 4 1.2867 3 1 0 7 1.2509 2 0 3 3 1.2509 2 1 2 5 1.1860 35 2 2 0 1.1860 35 1 3 1 1.1308 1 2 2 3 1.1061 54 0 2 7 1.1061 54 |
金蟲 (小有名氣)
木蟲 (正式寫手)
|
PDF#50-1512: QM=Doubtful(?); d=Other/Unknown; I=(Unknown) Carbon Nitride C3N4 Radiation=CuKa1 Lambda=1.5406 Filter= Calibration= d-Cutoff= I/Ic(RIR)= Ref= Level-1 PDF Hexagonal, P63/m(176) Z=2 mp= Cell=6.43x6.43x2.46<90x90x120> Pearson= Density(c)=3.471 Density(m)= Mwt= Vol= Ref= Ibid. Strong Line: 2.75/X 1.95/8 3.20/8 1.61/5 1.26/5 1.35/5 1.22/1 1.12/1 d(A) I(f) I(v) h k l n^2 2-Theta Theta 1/(2d) 2pi/d 3.200 80.0 61.0 1 1 0 27.857 13.929 0.1563 1.9635 2.750 100.0 89.0 2 0 0 32.533 16.266 0.1818 2.2848 1.950 80.0 100.0 1 1 1 46.534 23.267 0.2564 3.2221 1.610 50.0 76.0 2 2 0 57.166 28.583 0.3106 3.9026 1.550 10.0 16.0 3 1 0 59.597 29.799 0.3226 4.0537 1.350 50.0 90.0 2 2 1 69.581 34.791 0.3704 4.6542 1.260 50.0 97.0 75.372 37.686 0.3968 4.9867 1.220 10.0 20.0 4 1 0 78.304 39.152 0.4098 5.1502 1.120 10.0 22.0 2 0 2 86.905 43.452 0.4464 5.6100 1.060 5.0 11.0 2 1 2 93.217 46.609 0.4717 5.9275 |

銅蟲 (小有名氣)
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 301求調(diào)劑 +4 | A_JiXing 2026-03-16 | 4/200 |
|
|---|---|---|---|---|
|
[考研] 312求調(diào)劑 +4 | 陌宸希 2026-03-16 | 5/250 |
|
|
[考研] 本人考085602 化學(xué)工程 專碩 +16 | 不知道叫什么! 2026-03-15 | 18/900 |
|
|
[考研] 302求調(diào)劑 +4 | 小賈同學(xué)123 2026-03-15 | 8/400 |
|
|
[碩博家園] 深圳大學(xué)碩士招生(2026秋,傳感器方向,僅錄取第一志愿) +4 | xujiaoszu 2026-03-11 | 9/450 |
|
|
[考研] 機(jī)械專碩325,尋找調(diào)劑院校 +3 | y9999 2026-03-15 | 5/250 |
|
|
[考研] 285求調(diào)劑 +6 | ytter 2026-03-12 | 6/300 |
|
|
[考研] 0703化學(xué)調(diào)劑 290分有科研經(jīng)歷,論文在投 +7 | 膩膩gk 2026-03-14 | 7/350 |
|
|
[考研] 327求調(diào)劑 +6 | 拾光任染 2026-03-15 | 11/550 |
|
|
[考研] 070305求調(diào)劑 +3 | mlpqaz03 2026-03-14 | 4/200 |
|
|
[考研] 294求調(diào)劑 +3 | Zys010410@ 2026-03-13 | 4/200 |
|
|
[考研] 085601材料工程315分求調(diào)劑 +3 | yang_0104 2026-03-15 | 3/150 |
|
|
[考研] 材料工程327求調(diào)劑 +3 | xiaohe12w 2026-03-11 | 3/150 |
|
|
[考研] 265求調(diào)劑 +4 | 威化餅07 2026-03-12 | 4/200 |
|
|
[考研] 學(xué)碩285求調(diào)劑 +13 | Wisjxn 2026-03-12 | 46/2300 |
|
|
[考研] 337一志愿華南理工0805材料求調(diào)劑 +7 | mysdl 2026-03-11 | 9/450 |
|
|
[考研] 0703化學(xué)調(diào)劑 +4 | 快樂的香蕉 2026-03-11 | 4/200 |
|
|
[考研] 考研調(diào)劑 +4 | 芬達(dá)46 2026-03-12 | 4/200 |
|
|
[考研] 307求調(diào)劑 +5 | 超級伊昂大王 2026-03-12 | 5/250 |
|
|
[考研] 333求調(diào)劑 +3 | 152697 2026-03-12 | 4/200 |
|