
人工晶体学报 ›› 2026, Vol. 55 ›› Issue (6): 940-948.DOI: 10.16553/j.cnki.issn1000-985x.xb2026.0024
张野(
), 杨凤蝶, 刘岚萱, 张奇妙, 姚明远, 王超凡, 苗瑞霞(
), 侯银龙(
)
收稿日期:2026-02-10
出版日期:2026-06-20
发布日期:2026-07-07
通信作者:
苗瑞霞,博士,副教授。E-mail:miao9508301@163.com;作者简介:张野(2004—),男,陕西省人。E-mail:3156566865@qq.com
基金资助:
ZHANG Ye(
), YANG Fengdie, LIU Lanxuan, ZHANG Qimiao, YAO Mingyuan, WANG Chaofan, MIAO Ruixia(
), HOU Yinlong(
)
Received:2026-02-10
Online:2026-06-20
Published:2026-07-07
摘要: 针对β-Ga2O3在光催化中因载流子复合率高及宽带隙引起的响应光谱窄的问题,本研究通过第一性原理计算探究了金属Zn、Cd、Hg掺杂对β-Ga2O3电子结构、光学性质及催化稳定性的影响机制。结果表明,三种金属掺杂体系均满足光催化水解的能级匹配条件,其中Zn掺杂体系的电子-空穴相对有效质量比(
中图分类号:
张野, 杨凤蝶, 刘岚萱, 张奇妙, 姚明远, 王超凡, 苗瑞霞, 侯银龙. 基于第一性原理计算的金属掺杂β-Ga2O3光催化研究[J]. 人工晶体学报, 2026, 55(6): 940-948.
ZHANG Ye, YANG Fengdie, LIU Lanxuan, ZHANG Qimiao, YAO Mingyuan, WANG Chaofan, MIAO Ruixia, HOU Yinlong. First-Principles Calculation Study on Metal-Doped β -Ga2O3 for Photocatalysis[J]. Journal of Synthetic Crystals, 2026, 55(6): 940-948.
图1 本征β-Ga2O3晶体结构示意图,小球表示O原子,大球表示Ga原子,数字1、2分别代表Ga(1)、Ga(2)位点
Fig.1 Intrinsic β-Ga2O3 crystal structure schematic,small spheres represent O atoms,large spheres represent Ga atoms,numbers 1 and 2 represent Ga (1) and Ga (2) sites,respectively
图3 本征及掺杂β-Ga2O3的能带结构。(a)本征;(b)Zn掺杂;(c) Hg掺杂;(d)Cd掺杂
Fig.3 Band structures of intrinsic and doped β-Ga2O3. (a) Intrinsic; (b) Zn-doped; (c) Hg-doped; (d) Cd-doped
| Intrinsic β-Ga2O3 | Zn@β-Ga2O3 | Hg@β-Ga2O3 | Cd@β-Ga2O3 | |
|---|---|---|---|---|
| CBM/eV | 1.655 | 2.003 | 2.059 | 2.013 |
| VBM/eV | -0.280 | 0.124 | 0.086 | 0.163 |
| Eg/eV | 1.935 | 1.879 | 1.973 | 1.850 |
表1 不同 β -Ga2O3体系VBM、CBM极值及带隙
Table 1 VBM,CBM extremum and band gap of different β -Ga2O3 systems
| Intrinsic β-Ga2O3 | Zn@β-Ga2O3 | Hg@β-Ga2O3 | Cd@β-Ga2O3 | |
|---|---|---|---|---|
| CBM/eV | 1.655 | 2.003 | 2.059 | 2.013 |
| VBM/eV | -0.280 | 0.124 | 0.086 | 0.163 |
| Eg/eV | 1.935 | 1.879 | 1.973 | 1.850 |
图4 本征及掺杂β-Ga2O3的PDOS图。(a)本征;(b)Zn掺杂;(c) Hg掺杂;(d) Cd掺杂
Fig.4 PDOS diagrams of intrinsic and doped β-Ga2O3. (a) Intrinsic; (b) Zn-doped; (c) Hg-doped; (d) Cd-doped
| X(Ga)/eV | X(O)/eV | X(Zn)/eV | X(Hg)/eV | X(Cd)/eV |
|---|---|---|---|---|
| 3.180 | 7.539 | 4.390 | 4.695 | 4.145 |
表2 各元素Mulliken电负性
Table 2 Mulliken electronegativity of each element
| X(Ga)/eV | X(O)/eV | X(Zn)/eV | X(Hg)/eV | X(Cd)/eV |
|---|---|---|---|---|
| 3.180 | 7.539 | 4.390 | 4.695 | 4.145 |
| Material | ||||
|---|---|---|---|---|
| Intrinsic β-Ga2O3 | 1.935 | 4.800 | -1.562 | 3.237 |
| Zn@β-Ga2O3 | 1.879 | 4.743 | -1.491 | 3.252 |
| Hg@β-Ga2O3 | 1.973 | 4.837 | -1.529 | 3.308 |
| Cd@β-Ga2O3 | 1.850 | 4.715 | -1.484 | 3.230 |
表3 掺杂各元素的能带剪刀算符修复值及带边位置
Table 3 Scissors operator correction values and band edge positions for each doped element
| Material | ||||
|---|---|---|---|---|
| Intrinsic β-Ga2O3 | 1.935 | 4.800 | -1.562 | 3.237 |
| Zn@β-Ga2O3 | 1.879 | 4.743 | -1.491 | 3.252 |
| Hg@β-Ga2O3 | 1.973 | 4.837 | -1.529 | 3.308 |
| Cd@β-Ga2O3 | 1.850 | 4.715 | -1.484 | 3.230 |
| Material | |||
|---|---|---|---|
| Intrinsic β-Ga2O3 | 0.490 | 3.457 | 7.055 |
| Zn@β-Ga2O3 | 0.501 | 28.454 | 56.794 |
| Hg@β-Ga2O3 | 0.533 | 19.540 | 36.660 |
| Cd@β-Ga2O3 | 0.508 | 28.453 | 56.010 |
表4 本征及Zn、Hg、Cd掺杂 β -Ga2O3体系光致电子和空穴的相对有效质量及相对有效质量比
Table 4 Relative effective masses and relative effective mass ratios of photoexcited electrons and holes in intrinsic,Zn-,Hg-,and Cd-doped β -Ga2O3 systems
| Material | |||
|---|---|---|---|
| Intrinsic β-Ga2O3 | 0.490 | 3.457 | 7.055 |
| Zn@β-Ga2O3 | 0.501 | 28.454 | 56.794 |
| Hg@β-Ga2O3 | 0.533 | 19.540 | 36.660 |
| Cd@β-Ga2O3 | 0.508 | 28.453 | 56.010 |
图6 不同掺杂沿不同晶向的光吸收系数。(a)[100];(b)[010]; (c)[001]
Fig.6 Optical absorption coefficient along different crystal orientations for various doping. (a) [100]; (b) [010]; (c) [001]
| [1] | DENG H Y, LEEDLE K J, MIAO Y, et al. Gallium oxide for high-power optical applications[J]. Advanced Optical Materials, 2020, 8(7): 1901522. |
| [2] | KRISHNAN A, ARCHANA K, ARSHA A S, et al. Divulging the potential role of wide band gap semiconductors in electro and photo catalytic water splitting for green hydrogen production[J]. Chinese Journal of Catalysis, 2025, 68: 103-154. |
| [3] | GUO W Y, GUO Y T, DONG H, et al. Tailoring the electronic structure of β-Ga2O3 by non-metal doping from hybrid density functional theory calculations[J]. Physical Chemistry Chemical Physics, 2015, 17(8): 5817-5825. |
| [4] | ZHAO Z C, YANG C L, MENG Q T, et al. Photocatalytic hydrogen production from water splitting with N-doped β-Ga2O3 and visible light[J]. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2019, 211: 71-78. |
| [5] | 张英楠, 张 敏, 张 派, 等. 基于第一性原理GGA+U方法研究Si掺杂β-Ga2O3电子结构和光电性质[J]. 物理学报, 2024, 73(1): 017102. |
| ZHANG Y N, ZHANG M, ZHANG P, et al. Investigation of electronic structure and optoelectronic properties of Si-doped β-Ga2O3 using GGA+U method based on first-principle[J]. Acta Physica Sinica, 2024, 73(1): 017102 (in Chinese). | |
| [6] | JING L, AI C Q, GUO X Y, et al. Synergy of N and P co-doping on improving photocatalytic hydrogen production: a case over beta-gallium oxide[J]. Industrial & Engineering Chemistry Research, 2023, 62(15): 6103-6112. |
| [7] | KIM S, RYOU H, LEE I G, et al. Impact of Al doping on a hydrothermally synthesized β-Ga2O3 nanostructure for photocatalysis applications[J]. RSC Advances, 2021, 11(13): 7338-7346. |
| [8] | GRIMME S. Semiempirical GGA-type density functional constructed with a long-range dispersion correction[J]. Journal of Computational Chemistry, 2006, 27(15): 1787-1799. |
| [9] | KOCH W, HOLTHAUSEN M C. A Chemist’s guide to density functional theory[M]. Weinheim: Wiley, 2001. |
| [10] | KRESSE G, FURTHMÜLLER J. Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set[J]. Computational Materials Science, 1996, 6(1): 15-50. |
| [11] | BLÖCHL P. Projector augmented-wave method[J]. Physical Review B, Condensed Matter, 1994, 50(24): 17953-17979. |
| [12] | KRESSE G, JOUBERT D. From ultrasoft pseudopotentials to the projector augmented-wave method[J]. Physical Review B, 1999, 59(3): 1758-1775. |
| [13] | LIU Y P, ZHOU Q, LI B L, et al. Adsorption performance of noble-metal decorated InN monolayer to CO: a computational study[J]. IEEE Sensors Journal, 2021, 21(23): 26586-26593. |
| [14] | PERDEW J, BURKE K, ERNZERHOF M. Generalized gradient approximation made simple[J]. Physical Review Letters, 1996, 77(18): 3865-3868. |
| [15] | MOELLMANN J, GRIMME S. DFT-D3 study of some molecular crystals[J]. The Journal of Physical Chemistry C, 2014, 118(14): 7615-7621. |
| [16] | MONKHORST H J, PACK J D. Special points for Brillouin-zone integrations[J]. Physical Review B, 1976, 13(12): 5188-5192. |
| [17] | YAMAGUCHI K. First principles study on electronic structure of β-Ga2O3 [J]. Solid State Communications, 2004, 131(12): 739-744. |
| [18] | PEARTON S J, YANG J C, CARY P H IV, et al. A review of Ga2O3 materials, processing, and devices[J]. Applied Physics Reviews, 2018, 5: 011301. |
| [19] | 王艳杰, 李 豹, 宋俊辉, 等. 过渡金属掺杂β-Ga2O3的电子结构和磁性能的第一性原理研究[J]. 人工晶体学报, 2026, 55(3): 452-460. |
| WANG Y J, LI B, SONG J H, et al. First-principles study on the electronic structure and magnetic properties of transition metal-doped β-Ga2O3 [J]. Journal of Synthetic Crystals, 2026, 55(3): 452-460 (in Chinese). | |
| [20] | 徐霆耀. 掺杂Ga2O3结构与性质的理论研究[D]. 天津: 中国民航大学, 2015. |
| XU T Y. Theoretical study on structure and properties of doped Ga2O3 [D]. Tianjin: Civil Aviation University of China, 2015 (in Chinese). | |
| [21] | 郎啟智. β-Ga2O3晶体p型掺杂的电子结构、物性研究[D]. 贵阳: 贵州大学, 2021. |
| LANG Q Z. Study on electronic structure and physical properties of p-type doped β-Ga2O3 crystal[D]. Guiyang: Guizhou University, 2021 (in Chinese). | |
| [22] | 张易军, 闫金良, 赵 刚, 等. Si掺杂β-Ga2O3的第一性原理计算与实验研究[J]. 物理学报, 2011, 60(3): 037103. |
| ZHANG Y J, YAN J L, ZHAO G, et al. First-principles calculation and experimental study of Si-doped β-Ga2O3 [J]. Acta Physica Sinica, 2011, 60(3): 037103 (in Chinese). | |
| [23] | 区力函, 李海侠, 陈春宇, 等. Sc-N共掺杂β-Ga2O3电子结构和光学性质的第一性原理研究[J]. 中国陶瓷, 2025, 61(1): 26-33. |
| OU L H, LI H X, CHEN C Y, et al. First-principles study of the electronic structure and optical properties of Sc-N co-doped β-Ga2O3 [J]. China Ceramics, 2025, 61(1): 26-33 (in Chinese). | |
| [24] | BARBOSA M B. Electronic structure, lattice location and stability of dopants in wide band gap semiconductors[D]. Porto: University of Porto, 2019. |
| [25] | 李 健, 孙冰花, 王春妮, 等. 掺杂及卤化调控富勒烯氧化还原电位的DFT研究[J]. 原子与分子物理学报, 2025, 42(4): 65-72. |
| LI J, SUN B H, WANG C N, et al. DFT investigation on the redox potential of fullerenes regulated by doping and halogenation[J]. Journal of Atomic and Molecular Physics, 2025, 42(4): 65-72 (in Chinese). | |
| [26] | 王日高. 掺杂二维材料的半导体输运特性的理论研究[D]. 南宁: 广西大学, 2024. |
| WANG R G. Theoretical study on semiconductor transport properties of doped two-dimensional materials[D]. Nanning: Guangxi University, 2024 (in Chinese). | |
| [27] | 熊明姚, 孔维静, 胡 斌, 等. Si, Ge, Zr和Sn掺杂SrTiO3的电子结构和光催化性能第一性原理研究[J]. 原子与分子物理学报, 2024, 41(4): 179-185. |
| XIONG M Y, KONG W J, HU B, et al. First-principles study on electronic structure and photocatalytic performance of Si, Ge, Zr and Sn doped SrTiO3 [J]. Journal of Atomic and Molecular Physics, 2024, 41(4): 179-185 (in Chinese). | |
| [28] | KUDO A, MISEKI Y. Heterogeneous photocatalyst materials for water splitting[J]. Chemical Society Reviews, 2009, 38(1): 253-278. |
| [29] | MULLIKEN R S. A new electroaffinity scale; together with data on valence states and on valence ionization potentials and electron affinities[J]. The Journal of Chemical Physics, 1934, 2(11): 782-793. |
| [30] | XU Y, SCHOONEN M A A. The absolute energy positions of conduction and valence bands of selected semiconducting minerals[J]. American Mineralogist, 2000, 85(3/4): 543-556. |
| [31] | ZHANG W B, CHEN S J, HE M L, et al. Enhanced photocatalytic properties of Bi4O5Br2 by Mn doping: a first principles study[J]. Materials Research Express, 2018, 5(7): 075512. |
| [32] | 张金锋. 几种半导体光催化材料的电子结构及载流子有效质量的第一性原理计算[D]. 武汉: 武汉理工大学, 2016. |
| ZHANG J F. First-principles calculation of electronic structure and carrier effective mass of several semiconductor photocatalytic materials[D]. Wuhan: Wuhan University of Technology, 2016 (in Chinese). | |
| [33] | 白雪飞. 点缺陷和掺杂(Li,Na,K)对Ga2O3磁性和光催化性能影响的第一性原理研究[D]. 呼和浩特: 内蒙古工业大学, 2024. |
| BAI X F. First-principles study on effects of point defects and doping (Li, Na, K) on magnetic and photocatalytic properties of Ga2O3 [D]. Hohhot: Inner Mongolia University of Technology, 2024 (in Chinese). | |
| [34] | YANG A R, HOU Q Y, YIN X, et al. First-principle study of the effects of biaxial strain on the photocatalytic and magnetic mechanisms of ZnO with Sm doping and point defects (VZn, Hi)[J]. Vacuum, 2021, 189: 110225. |
| [35] | ZHANG H J, LIU L, ZHOU Z. Towards better photocatalysts: first-principles studies of the alloying effects on the photocatalytic activities of bismuth oxyhalides under visible light[J]. Physical Chemistry Chemical Physics, 2012, 14(3): 1286-1292. |
| [36] | VARLEY J B, PEELAERS H, JANOTTI A, et al. Hydrogenated cation vacancies in semiconducting oxides[J]. Journal of Physics: Condensed Matter, 2011, 23(33): 334212. |
| [37] | WANG J, LIU K, LIAO W R, et al. Metal vacancies in semiconductor oxides enhance hole mobility for efficient photoelectrochemical water splitting[J]. Nature Catalysis, 2025, 8(3): 229-238. |
| [38] | 王维波. 利用特征波长探讨大气和海洋中太阳辐射光谱特征的变化规律[D]. 青岛: 中国海洋大学, 2014. |
| WANG W B. Study on variation of solar radiation spectral characteristics in atmosphere and ocean using characteristic wavelengths[D]. Qingdao: Ocean University of China, 2014 (in Chinese). | |
| [39] | 王亚吉. 太阳辐射光谱的测量与应用研究[D]. 南京: 南京信息工程大学, 2011. |
| WANG Y J. Measurement and application research of solar radiation spectrum[D]. Nanjing: Nanjing University of Information Science and Technology, 2011 (in Chinese). | |
| [40] | 薛丽丽, 李洪亮, 窦 慧, 等. In掺杂GaN/ZnO/GaN范德瓦尔斯异质结的电子结构和光催化特性研究[J]. 陕西科技大学学报, 2021, 39(5): 119-125. |
| XUE L L, LI H L, DOU H, et al. Study on the electronic structure and photocatalytic performance of in doped GaN/ZnO/GaN van der Waals heterostructure[J]. Journal of Shaanxi University of Science & Technology, 2021, 39(5): 119-125 (in Chinese). | |
| [41] | 王 艳, 张小超, 赵丽军, 等. 采用第一性原理研究非金属掺杂BiOCl的电子结构和光吸收性质[J]. 高等学校化学学报, 2014, 35(12): 2624-2631. |
| WANG Y, ZHANG X C, ZHAO L J, et al. First principles calculations on electronic structures and optical absorption properties of non-metal doped BiOCl[J]. Chemical Journal of Chinese Universities, 2014, 35(12): 2624-2631 (in Chinese). |
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