Performance change of few layer black phosphorus transistors in ambient

Ma, Xiaomeng; Lu, W. T.; Chen, Bingyan; Zhong, Donglai; Huang, Le; Dong, Lijun; Jin, Chuanhong; Zhang, Zhiyong

doi:10.1063/1.4933124

Cited by 21 publications

(19 citation statements)

References 29 publications

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“…Since the first report on field-effect transitions in 2014, 2D layered black phosphorus (BP) has emerged as a rising star in electronic, , optoelectronic, photocatalytic, and photovoltaic applications due to its excellent electronic and optical properties that include layer-dependent band gap of 0.3 to 2.0 eV, − high charge-carrier mobility, and large current on/off ratios . In particular, the easily tunable band gap enables BP to be available to harvest sunlight from ultraviolet to near-infrared in the solar spectrum .…”

mentioning

confidence: 99%

Grain Boundaries Are Benign and Suppress Nonradiative Electron–Hole Recombination in Monolayer Black Phosphorus: A Time-Domain Ab Initio Study

Wei

Long

2018

J. Phys. Chem. Lett.

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Using time-domain density functional theory combined with nonadiabatic molecular dynamics, we demonstrate that both symmetrical (GB_s) and asymmetrical grain boundaries (GB_a) significantly extend charge-carrier lifetime compared with monolayer black phosphorus. Boundaries create no deep trap states, which decrease electron-phonon coupling. As a result, GB_s increases carrier lifetime by a factor of 22, whereas GB_a extends the lifetime by a factor of 4. More importantly, the interplay between the immobile electron localized at the boundaries in the GB_s and extended excited-state lifetime facilitates a chemical reaction, which is beneficial for photocatalysts. In contrast, GB_a separates electron and hole spatially in different locations, which forms a long-lived charge-separated state and is favorable for photovoltaics. Our simulations demonstrate that grain boundaries are benign and retard nonradiative electron-hole recombination in monolayer black phosphorus, suggesting a route to reduce energy losses via rational choice of defect to realize high-performance photovoltaic and photocatalytic devices.

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mentioning

confidence: 99%

Grain Boundaries Are Benign and Suppress Nonradiative Electron–Hole Recombination in Monolayer Black Phosphorus: A Time-Domain Ab Initio Study

Wei

Long

2018

J. Phys. Chem. Lett.

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“…It is typical for BP to completely deteriorate within 5 days, where the BP flake will disintegrate physically/visually over time, and its degradation in electrical performance will manifest as a reduction in current. [13,29,42,43] This demonstrates that by creating this hybrid of BP with an organic PDPPSe-TVT polymer semiconductor, we have not only successfully demonstrated enhancement of optoelectronic properties of photodetection and current-voltage transfer characteristics of transistors, but polymer also serves as a passivation layer to prevent highly sensitive BP from the degradation at ambient conditions. Such organic and inorganic material combination provides a great opportunity to understand the synergic effect and optoelectronic light management of two distinct class of materials.…”

Section: Resultsmentioning

confidence: 78%

Black Phosphorus—Diketopyrrolopyrrole Polymer Semiconductor Hybrid for Enhanced Charge Transfer and Photodetection

Low

Kuriakose

Liu

et al. 2021

Advanced Photonics Research

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Black phosphorus (BP) has emerged as an exciting 2D material for optics, photonics, and electronics. However, there are few studies on BP in terms of modulation and enhancement of their electronic and optical properties and their concurrent reactivity and hence reduction after exposure to the ambient environment. To resolve such challenges, creating inorganic–organic hybrid materials is a suitable approach that offers significant opportunities to enhance the utility of BP by combining them with an organic material which has a complementary set of properties. Herein, a hybrid‐layered BP material coupled with a low bandgap donor–acceptor organic semiconducting polymer, selenophene‐flanked diketopyrrolopyrrole with thienyl‐vinylene‐thienyl (PDPPSe–TVT) is reported, to broaden the optical absorption and tune the ambipolar field effect transistor characteristics. A highly sensitive, nongated broadband photodetection capability of the hybrid device with a detection range from UV–vis to near‐IR (280–1050 nm) and responsivities of up to 4.22 × 103 A W−1 in ambient conditions. In addition to improved photodetection, simultaneous enhancement in both hole (71%) and electron (91%) mobilities is achieved while protecting the sensitive BP material from rapid environmental degradation. The findings therefore report a breakthrough in enhancing the utility of BP as a light‐active material for versatile photonics and electronics applications without operating in an inert environment.

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“…Thus, taking into account the strong interrelation of the electronic parameters of the phosphorene with its adsorption and catalytic properties, it becomes clear that all of the above makes it difficult to manufacture phosphorene-based sensors with reproducible parameters. But the main disadvantage of black phosphorus, limiting its use in humidity sensors, is still the instability of their parameters [ 29 , 31 , 33 , 59 , 134 ]. It was found that if bulk BP was stable at atmospheric conditions for a few months, then exfoliated 2D BP showed a relatively high reactivity and strong air instability [ 135 ].…”

Section: Bp-based Humidity Sensorsmentioning

confidence: 99%

Black Phosphorus-New Nanostructured Material for Humidity Sensors: Achievements and Limitations

Korotcenkov

2019

Sensors

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The prospects of using nanostructured black phosphorus for the development of humidity sensors are considered. It was shown that black phosphorus has a set of parameters that distinguish it from other two-dimensional (2D) materials such as graphene, silicone, and dichalcogenides. At the same time, an analysis of shortcomings, limiting the use of black phosphorus as a humidity sensitive material in devices aimed for market of humidity sensors, was also conducted.

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Performance change of few layer black phosphorus transistors in ambient

Cited by 21 publications

References 29 publications

Grain Boundaries Are Benign and Suppress Nonradiative Electron–Hole Recombination in Monolayer Black Phosphorus: A Time-Domain Ab Initio Study

Grain Boundaries Are Benign and Suppress Nonradiative Electron–Hole Recombination in Monolayer Black Phosphorus: A Time-Domain Ab Initio Study

Black Phosphorus—Diketopyrrolopyrrole Polymer Semiconductor Hybrid for Enhanced Charge Transfer and Photodetection

Black Phosphorus-New Nanostructured Material for Humidity Sensors: Achievements and Limitations

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