Multifunctional Binary Monolayers GexPy: Tunable Band Gap, Ferromagnetism, and Photocatalyst for Water Splitting
文献类型:期刊论文
作者 | Li, Pengfei1,2; Zhang, Wei3; Li, Dongdong4; Liang, Changhao1,2![]() |
刊名 | ACS APPLIED MATERIALS & INTERFACES
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出版日期 | 2018-06-13 |
卷号 | 10期号:23页码:19897-19905 |
关键词 | two-dimensional semiconductor band structure ferromagnetism water splitting |
ISSN号 | 1944-8244 |
DOI | 10.1021/acsami.8b05655 |
通讯作者 | Liang, Changhao(chliang@issp.ac.cn) ; Zeng, Xiao Cheng(xzeng1@unl.edu) |
英文摘要 | The most stable structures of two-dimensional GexPy and GexAsy monolayers with different stoichiometries (e.g., GeP, GeP2, and GeP3) are explored systematically through the combination of the particle-swarm optimization technique and density functional theory optimization. For GeP3, we show that the newly predicted most stable C2/m structure is 0.16 eV/atom lower in energy than the state-of-the-art P (3) over bar m1 structure reported previously (Nano Lett. 2017, 17, 1833). The computed electronic band structures suggest that all the stable and metastable monolayers of GexPy are semiconductors with highly tunable band gaps under the biaxial strain, allowing strain engineering of their band gaps within nearly the whole visible-light range. More interestingly, the hole doping can convert the C2/m GeP3 monolayer from nonmagnetic to ferromagnetic because of its unique valence band structure. For the GeP2 monolayer, the predicted most stable Pmc2(1) structure is a (quasi) direct-gap semiconductor that possesses a high electron mobility of similar to 800 cm(2) V-1 s(-1) along the k(a) direction, which is much higher than that of MoS2 (similar to 200 cm(2) s(-1)). More importantly, the Pmc2(1) GeP2 monolayer not only can serve as an n-type channel material in field-effect transistors but also can be an effective catalyst for splitting water. |
WOS关键词 | SINGLE-LAYER MOS2 ; 1ST-PRINCIPLES CALCULATIONS ; ELECTRONIC-PROPERTIES ; CARRIER MOBILITY ; BERRYS PHASE ; GRAPHENE ; SEMICONDUCTOR ; CARBON ; NANOSHEETS ; NANOMATERIALS |
资助项目 | National Basic Research Program of China[2014CB931704] ; National Natural Science Foundation of China (NSFC)[11604320] ; National Natural Science Foundation of China (NSFC)[51371166] ; National Natural Science Foundation of China (NSFC)[51571186] ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC)[DMR-1420645] ; UNL Holland Computing Center |
WOS研究方向 | Science & Technology - Other Topics ; Materials Science |
语种 | 英语 |
WOS记录号 | WOS:000435525100068 |
出版者 | AMER CHEMICAL SOC |
资助机构 | National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; 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US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; 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National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; 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US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; US NSF through the Nebraska Materials Research Science and Engineering Center (MRSEC) ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; UNL Holland Computing Center ; 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源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/37170] ![]() |
专题 | 合肥物质科学研究院_中科院固体物理研究所 |
通讯作者 | Liang, Changhao; Zeng, Xiao Cheng |
作者单位 | 1.Chinese Acad Sci, Key Lab Mat Phys, Inst Solid State Phys, Hefei 230031, Anhui, Peoples R China 2.Chinese Acad Sci, Anhui Key Lab Nanomat & Nanotechnol, Inst Solid State Phys, Hefei 230031, Anhui, Peoples R China 3.Beijing Univ Chem Technol, Beijing Adv Innovat Ctr Soft Matter Sci & Engn, Beijing 100029, Peoples R China 4.Hefei Univ Technol, Sch Sci & Engn Mat, Hefei 230009, Anhui, Peoples R China 5.Univ Nebraska, Dept Chem, Lincoln, NE 68588 USA 6.Univ Nebraska, Dept Chem & Biomol Engn, Lincoln, NE 68588 USA 7.Univ Nebraska, Dept Mech & Mat Engn, Lincoln, NE 68588 USA |
推荐引用方式 GB/T 7714 | Li, Pengfei,Zhang, Wei,Li, Dongdong,et al. Multifunctional Binary Monolayers GexPy: Tunable Band Gap, Ferromagnetism, and Photocatalyst for Water Splitting[J]. ACS APPLIED MATERIALS & INTERFACES,2018,10(23):19897-19905. |
APA | Li, Pengfei,Zhang, Wei,Li, Dongdong,Liang, Changhao,&Zeng, Xiao Cheng.(2018).Multifunctional Binary Monolayers GexPy: Tunable Band Gap, Ferromagnetism, and Photocatalyst for Water Splitting.ACS APPLIED MATERIALS & INTERFACES,10(23),19897-19905. |
MLA | Li, Pengfei,et al."Multifunctional Binary Monolayers GexPy: Tunable Band Gap, Ferromagnetism, and Photocatalyst for Water Splitting".ACS APPLIED MATERIALS & INTERFACES 10.23(2018):19897-19905. |
入库方式: OAI收割
来源:合肥物质科学研究院
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