Advancing Applications of Black Phosphorus and BP‐Analog Materials in Photo/Electrocatalysis through Structure Engineering and Surface Modulation

Yin, Teng; Long, Liyuan; Tang, Xian; Qiu, Meng; Liang, Weiyuan; Cao, Rui; Zhang, Qizhen; Wang, Dunhui; Zhang, Han

doi:10.1002/advs.202001431

Cited by 66 publications

(35 citation statements)

References 283 publications

(283 reference statements)

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“…In addition, it was recognized that the lone pair electrons of sp 3 ‐hybridized P in BP were susceptible to bond with chemisorbed oxygen atoms and be oxidized. [ 16 ] By forming PN covalent bonds, the active lone pair electrons of P in BP‐CN‐ c are substantially occupied, thus prominently promting the stability of BP‐CN‐ c (Figure S15, Supporting Information).…”

Section: Resultsmentioning

confidence: 99%

“…[ 13 ] In an ideal case, all P atoms of single‐layer BP can be exposed to the surface and serve as active catalytic sites. [ 14,15 ] However, the OER activity of the early reported 2D BP‐based metal‐free catalysts is still far from satisfactory (overpotential of >550 mV at 10 mA cm −2 ), [ 14 ] [ 16 ] due to the low adsorption/dissociation kinetics of O‐intermediates on BP. Moreover, the active lone pair electrons make BP prone to be oxidized, especially when the OER process provides a strong oxidative environment with a high anodic potential.…”

Section: Introductionmentioning

confidence: 99%

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Interfacial Covalent Bonds Regulated Electron‐Deficient 2D Black Phosphorus for Electrocatalytic Oxygen Reactions

et al. 2021

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Developing resource‐abundant and sustainable metal‐free bifunctional oxygen electrocatalysts is essential for the practical application of zinc–air batteries (ZABs). 2D black phosphorus (BP) with fully exposed atoms and active lone pair electrons can be promising for oxygen electrocatalysts, which, however, suffers from low catalytic activity and poor electrochemical stability. Herein, guided by density functional theory (DFT) calculations, an efficient metal‐free electrocatalyst is demonstrated via covalently bonding BP nanosheets with graphitic carbon nitride (denoted BP‐CN‐c). The polarized PN covalent bonds in BP‐CN‐c can efficiently regulate the electron transfer from BP to graphitic carbon nitride and significantly promote the OOH* adsorption on phosphorus atoms. Impressively, the oxygen evolution reaction performance of BP‐CN‐c (overpotential of 350 mV at 10 mA cm−2, 90% retention after 10 h operation) represents the state‐of‐the‐art among the reported BP‐based metal‐free catalysts. Additionally, BP‐CN‐c exhibits a small half‐wave overpotential of 390 mV for oxygen reduction reaction, representing the first bifunctional BP‐based metal‐free oxygen catalyst. Moreover, ZABs are assembled incorporating BP‐CN‐c cathodes, delivering a substantially higher peak power density (168.3 mW cm−2) than the Pt/C+RuO2‐based ZABs (101.3 mW cm−2). The acquired insights into interfacial covalent bonds pave the way for the rational design of new and affordable metal‐free catalysts.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Interfacial Covalent Bonds Regulated Electron‐Deficient 2D Black Phosphorus for Electrocatalytic Oxygen Reactions

et al. 2021

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“…Star‐shaped 2D black phosphorous integrated with Bi 2 WO 6 monolayer has proven itself as a favorable candidate for photocatalytic water splitting, owing to its unique optical, physical, and chemical characteristics. [ 150 ] The heterojunction of 2D/2D BP/monolayer Bi 2 WO 6 (BP/MBWO) also revealed enhanced catalytic activity performance to evolve N 2 and H 2 to purify the air. [ 149 ] The maximum rate of hydrogen evolution is 21 042 μmolg −1 , which is 9.15 times greater than that of pristine MBWO.…”

Section: Experimental Advances In Z‐scheme Water Splittingmentioning

confidence: 99%

Photocatalytic Z‐Scheme Overall Water Splitting: Recent Advances in Theory and Experiments

et al. 2021

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Photocatalytic water splitting is considered one of the most important and appealing approaches for the production of green H2 to address the global energy demand. The utmost possible form of artificial photosynthesis is a two‐step photoexcitation known as “Z‐scheme”, which mimics the natural photosystem. This process solely relies on the effective coupling and suitable band positions of semiconductors (SCs) and redox mediators for the purpose to catalyze the surface chemical reactions and significantly deter the backward reaction. In recent years, the Z‐scheme strategies and their key role have been studied progressively through experimental approaches. In addition, theoretical studies based on density functional theory have provided detailed insight into the mechanistic aspects of some breathtakingly complex problems associated with hydrogen evolution reaction and oxygen evolution reaction. In this context, this critical review gives an overview of the fundamentals of Z‐scheme photocatalysis, including both theoretical and experimental advancements in the field of photocatalytic water splitting, and suggests future perspectives.

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“…SnS, as an emerging BPA semiconductor material, holds great promise in the community of photo/electrocatalysis due to its unique properties: i) thickness-dependent indirect bandgap from 1.07 to 1.25 eV and direct bandgap from 1.30 to 1.39 eV [102,202,203] ; ii) earth-abundant 2D binary IV-VI compound with low-cost; iii) ultrahigh carrier mobility (10,000-38,000 cm 2 V À1 s À1 ) [169] ; and iv) excellent environmental stability. [5,115] In addition, to further exploit the potential of SnS in photo/electrocatalysis, SnS has been usually hybridized with other functional nanomaterials for preparing efficient co-catalysts, such as CuS@β-SnS nanocomposites, [22] SnS/rGO heterostructures, [140] SnS/aminated-C composites, [115] 0D SnS QD/2D α-SnWO 4 NS heterostructures, [118] SnS/SnS 2 heterostructures, [204] SnS/P-doped g-C 3 N 4 nanocomposites, [205] SnS/ SnO x heterostructures, [206] etc.…”

Section: Catalysismentioning

confidence: 99%

Nanoengineering of Tin Monosulfide (SnS)‐Based Structures for Emerging Applications

Zhu

et al. 2021

Small Science

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Tin-based binary chalcogenide Sn-X (X ¼ S, Se, Te) compounds have attracted extensive interest in the optical, optoelectronic, catalysis, and flexible systems due to their intriguing performances. [1][2][3][4][5][6][7] The Sn-X (X ¼ S, Se, Te) compounds are typically layered materials and usually have three crystalline phases: hexagonal, monoclinic, and orthorhombic; orthorhombic phase is denoted by chemical formula SnX, and hexagonal and monoclinic phases are labeled as SnX 2 . [8] Until now, SnSe and SnTe compounds have already achieved great progress in many fields, especially for thermoelectronics and ferroelectrics, [9][10][11][12] and many important reviews have been reported on SnSe and SnTe compounds due to their rapid development. [8,[13][14][15][16] For example, in 2020, Chen et al. [14] summarized a comprehensive overview of controlled synthesis, characterization, and thermoelectric performance in SnSe. In 2018, Shi et al. [8] summarized the growth, characterization, and applications (photovoltaics, supercapacitors, rechargeable batteries, phase-change memory devices, and topological insulator) of SnSe. In 2018, Li et al. [15] reviewed the development of SnS, SnSe, and SnTe, mainly focusing on the controllable tuning of the electron and phonon transport as well as the challenges for further optimization and practical applications. Among Sn-X (X ¼ S, Se, Te) compounds, tin monosulfide (SnS) as a typical black phosphorus analogue, has also received intensive scientific attention due to its unique properties, such as inexpensive, sustainable, suitable bandgap between Si (1.12 eV) and GaAs (1.43 eV), [17] high absorption coefficient (10 À4 cm À1 ), [18] strong mechanical properties, and anisotropic optoelectronic, [19][20][21] which are of great value in optoelectronics, catalysis, sensors, and nanomedicines. [7,[22][23][24][25][26][27] In addition, layered SnS with suitable spacing structures hold promising potentials in the field of lithium (Li)-ion batteries and sodium (Na)-ion batteries due to their relatively high electrical conductivity and theoretical capacity. [28][29][30][31][32] However, although popular SnS has achieved great progress in a variety of fields, few comprehensive reviews have hitherto focused on the field of SnS-based nanostructures and their fascinating applications.Inspired by important reviews on SnSe reported by Chen [14] and Li [8] in recent years, we comprehensively summarized the synthesis, characterization, and the latest progress of SnS-based nanostructures, as shown in Figure 1. First, the most commonly employed techniques (hydrothermal, vapor deposition, electrostatic assembly, etc.) for preparing SnS and SnS-based nanostructures are presented in detail with their recent progress. Furthermore, the fundamental properties (crystal structure, electronic band structure, optical property, and Raman spectroscopy) and diverse applications (batteries, solar cells, catalysis, optoelectronics, sensors, ferroelectrics, thermoelectrics, nonlinear properties, and biomedical applicatio...

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Advancing Applications of Black Phosphorus and BP‐Analog Materials in Photo/Electrocatalysis through Structure Engineering and Surface Modulation

Cited by 66 publications

References 283 publications

Interfacial Covalent Bonds Regulated Electron‐Deficient 2D Black Phosphorus for Electrocatalytic Oxygen Reactions

Interfacial Covalent Bonds Regulated Electron‐Deficient 2D Black Phosphorus for Electrocatalytic Oxygen Reactions

Photocatalytic Z‐Scheme Overall Water Splitting: Recent Advances in Theory and Experiments

Nanoengineering of Tin Monosulfide (SnS)‐Based Structures for Emerging Applications

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