Field‐Induced n‐Doping of Black Phosphorus for CMOS Compatible 2D Logic Electronics with High Electron Mobility

Xu, Yi‐Jun; Yuan, Jian; Zhang, Kai; Hou, Yuanjun; Sun, Qiu; Yao, Yingming; Li, Shaojuan; Bao, Qiaoliang; Zhang, Han; Zhang, Yuegang

doi:10.1002/adfm.201702211

Cited by 103 publications

(69 citation statements)

References 31 publications

(32 reference statements)

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“…BP was synthesized by an improved mineralizer-assisted chemical vapor transport method using tin tetraiodide, tin, and red phosphorus as source materials according to a previous report [39]. The bulk MoS 2 crystal was purchased from Six Carbon Technology.…”

Section: Methodsmentioning

confidence: 99%

Multifunctional black phosphorus/MoS₂ van der Waals heterojunction

et al. 2020

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Abstract The fast-developing information technology has imposed an urgent need for effective solutions to overcome the limitations of integration density in chips with smaller size but higher performance. van der Waals heterojunctions built with two-dimensional (2D) semiconductors have been widely studied due to their 2D nature, and their unique electrical and photoelectronic properties are quite attractive in realizing multifunctional devices toward multitask applications. In this work, black phosphorus (BP)/MoS2 heterojunctions have been used to build electronic devices with various functionalities. A p-n diode is achieved based on the vertically stacked BP/MoS2 heterojunction exhibiting an ideal factor of 1.59, whereas a laterally stacked BP/MoS2 heterojunction is implemented to fabricate a photodetector that shows a photodetection responsivity of 2000 mA/W at a wavelength of 1300 nm. Furthermore, a ternary inverter has been realized using a BP field-effect transistor in-series with a lateral BP/MoS2 heterojunction. Such results have unambiguously demonstrated the superiority of BP/MoS2 heterojunction in realizing multiple functionalities and have offered a new pathway for the design and engineering of future circuitry and device integration based on novel 2D semiconductors.

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Section: Methodsmentioning

confidence: 99%

Multifunctional black phosphorus/MoS₂ van der Waals heterojunction

et al. 2020

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“…Black phosphorus is another commonly used 2D crystal for efficient CMOS inverters as a result of its superior electrical properties such as extremely large hole mobility of 1000 cm 2 V −1 s −1 and good on/off current ratio of 10 5 . Recently, Koenig et al investigated the influence of Cu adatoms on BP and found that the introduced Cu adatoms could make BP exhibit n‐type carrier conduction (electron mobility: 2140 cm 2 V −1 s −1 under relatively low temperature) without lowering original charge transport characteristics .…”

Section: Functional Applications Of Ambipolar Transistorsmentioning

confidence: 99%

Recent Advances in Ambipolar Transistors for Functional Applications

Ren

Yang

Zhou

et al. 2019

Adv Funct Materials

168

139

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Ambipolar transistors represent a class of transistors where positive (holes) and negative (electrons) charge carriers both can transport concurrently within the semiconducting channel. The basic switching states of ambipolar transistors are comprised of common off-state and separated on-state mainly impelled by holes or electrons. During the past years, diverse materials are synthesized and utilized for implementing ambipolar charge transport and their further emerging applications comprising ambipolar memory, synaptic, logic, and light-emitting transistors on account of their special bidirectional carrier-transporting characteristic. Within this review, recent developments of ambipolar transistor field involving fundamental principles, interface modifications, selected semiconducting material systems, device structures, ambipolar characteristics, and promising applications are highlighted. The existed challenges and prospective for researching ambipolar transistors in electronics and optoelectronics are also discussed. It is expected that the review and outlook are well timed and instrumental for the rapid progress of academic sector of ambipolar transistors in lighting, display, memory, as well as neuromorphic computing for artificial intelligence.

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“…Next, non-metallic doping will be discussed in detail. Non-metallic elements and some oxides/nitrides have been introduced as dopants [54,52,55,61,62]. The transfer curves of transistors with 0.5 and 10 nm of cesium carbonate (Cs 2 CO 3 ) compared to the pristine BP are displayed in Fig.…”

Section: Functionalization and Dopingmentioning

confidence: 99%