Nanostructured Materials and Architectures for Advanced Infrared Photodetection

Zhuge, Fuwei; Zheng, Zhi; Luo, Peng; Lv, Liang; Huang, Yu Li; Li, Huiqiao; Zhai, Tianyou

doi:10.1002/admt.201700005

Cited by 103 publications

(63 citation statements)

References 266 publications

(403 reference statements)

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“…Infrared (IR) photodetection has been widely used in modern multifunctional technologies such as thermal imaging, biomedical imaging, night vision, information communication, military, etc . This involves the detection wavelengths ranging from 750 nm to 1 mm, being divided into three regions: near‐IR (NIR, 750 nm to 3 µm), mid‐IR (MIR, 3–15 µm), and far‐IR (FIR, 15 µm to 1 mm) . Nowadays, the detection of different technologically crucial wavelength regions is implemented by separate photosensitive semiconductors with appropriate bandgaps.…”

Section: Introductionmentioning

confidence: 99%

“…[1][2][3] This involves the detection wavelengths ranging from 750 nm to 1 mm, being divided into three regions: near-IR (NIR, 750 nm to 3 µm), mid-IR (MIR, 3-15 µm), and far-IR (FIR, 15 µm to 1 mm). [4] Nowadays, the detection of different technologically crucial wavelength regions is implemented by separate photosensitive semiconductors with appropriate bandgaps. For example, Si, [5,6] Ge, [7,8] and InGaAs [9] are the most promising and commercialized semiconductors for sensing in the NIR regimes while the detection of MIR regimes generally relies on narrow bandgap semiconductor compounds such as PbS, PbSe, [10,11] and HgCdTe.…”

Section: Introductionmentioning

confidence: 99%

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2D Metal Chalcogenides for IR Photodetection

Wang

Zhang

Gao

et al. 2019

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Infrared (IR) photodetectors are finding diverse applications in imaging, information communication, military, etc. 2D metal chalcogenides (2DMCs) have attracted increasing interest in view of their unique structures and extraordinary physical properties. They have demonstrated outstanding IR detection performance including high responsivity and detectivity, high on/off ratio, fast response rate, stable room temperature operability, and good mechanical flexibility, which has opened up a new prospect in next‐generation IR photodetectors. This Review presents a comprehensive summary of recent progress in advanced IR photodetectors based on 2DMCs. The rationale of the photodetectors containing photocurrent generation mechanisms and performance parameters are briefly introduced. The device performances of 2DMCs‐based IR photodetectors are also systematically summarized, and some representative achievements are highlighted as well. Finally, conclusions and outlooks are delivered as a guideline for this thriving field.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

2D Metal Chalcogenides for IR Photodetection

Wang

Zhang

Gao

et al. 2019

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151

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“…In photodiodes, the photodetection gain is limited due to the maximum attainable quantum efficiency (photon-to-electron conversion efficiency) less than unity [46]. Hence, photodiodes are less sensitive and are usually operated under reverse bias or self-driven mode without external bias.…”

Section: Heterostructured Phototransistorsmentioning

confidence: 99%

Emerging Artificial Two-Dimensional van der Waals Heterostructures for Optoelectronics

Ruan¹,

Huang²,

Chen³

et al. 2020

Smart Nanosystems for Biomedicine, Optoelectronics and Catalysis

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Two-dimensional (2D) materials are attracting explosive attention for their intriguing potential in versatile applications, covering optoelectronics, electronics, sensors, etc. An attractive merit of 2D materials is their viable van der Waals (VdW) stacking in artificial sequence, thus forming different atomic arrangements in vertical direction and enabling unprecedented tailoring of material properties and device application. In this chapter, we summarize the latest progress in assembling VdW heterostructures for optoelectronic applications by beginning with the basic pick-transfer method for assembling 2D materials and then discussing the different combination of 2D materials of semiconductor, conductor, and insulator properties for various optoelectronic devices, e.g., photodiode, phototransistors, optical memories, etc.

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“…In addition to the ligand engineering, the synthetic routes for obtaining photostable and compatible QDs for optically active materials and structures mostly resulted in novel QDs with bright emission in the visible region while the near‐infrared and infrared region remain mostly unexplored to date. It can be important in the future to develop QD composite materials and structures with the infrared absorption and emission characteristics especially for the lasing and waveguiding applications critical for the telecommunication field and for subsurface biosensing and bioimaging in biomedical and bioengineering fields . It is also important to note that the issues of excessive toxicity, important for bio‐related and wearable optoelectronic applications, are essentially ignored in current research efforts but should be addressed in the future efforts to expand the prospective application in the near term.…”

Section: Qd Composite Structure For Lasingmentioning

confidence: 99%

Composite Structures with Emissive Quantum Dots for Light Enhancement

Smith

Lin

et al. 2018

Advanced Optical Materials

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The optical properties of these nanostructures can be controlled via precise control of the synthetic parameters resulting in a wide range of chemical compositions, shapes, and dimensions. QDs are quite advantageous in comparison to traditional organic dye counterparts, offering size, and composition dependent energy band gaps (i.e., tunable absorption and photoluminescence), prospective excellent photostability, and solution and aqueous processability based on choice of surface chemistries. [2] Intense research in this field in the past two decades has focused on precisely engineering core-shell composition of QD nanostructures resulting in an appreciable impact on the field of photonic materials and structures to develop composite nanomaterials with precise control of refractive index, permittivity, and permeability.QDs are the promising candidate to control interactions in photonic systems in many respects due to their enhanced photostability, near 100% quantum yield, and versatile surface chemistry. More recently, facile synthetic techniques for large-scale high-quality production have been introduced that involve wet chemical processes to expand applicability of these components in light-managements devices. [5][6][7] However, the overall processability and scalability of these components into robust large-area structures are still a critical concern limiting real-life implementation in robust designs. While there are many techniques to produce QDs, common limitations for this class of nanomaterials are low quantity, large dispersibility in size, compositional nonuniformity, and the presence of excess passive components resulting from wet chemistry synthetic procedures (e.g., ligands).Providing a convenient host matrix not only overcomes some of these common limitations but allows for QDs to be used in more technologically exploitable forms such as robust, flexible, mechanically and chemically stable fibers, coatings, films, and patterns. [8] For such composite systems, inclusion of nanoparticles into sophisticated matrices typically results in the significant improvements of thermal, mechanical, electrical, and optical stabilities making them more applicable in device environment than other traditional organic materials.While the concept of embedding various nanostructures into different surrounding materials is not new, synthetic techniques required to combine these can be rather complex. Most Since their inception, quantum dots have proven to be advantageous for light management applications due to their high brightness and wellcontrolled absorption, scattering, and emission properties. As quantum dots become commercially available at large scale, the need for robust, stable, and flexible optical components continues to drive the development of robust and flexible quantum dot composite materials. In this review, after a thorough introduction to quantum dots, discussion delves into methods for fabricating quantum dot loaded composite optical elements such as thin films, microfabricated patterns, and micros...

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Nanostructured Materials and Architectures for Advanced Infrared Photodetection

Cited by 103 publications

References 266 publications

2D Metal Chalcogenides for IR Photodetection

2D Metal Chalcogenides for IR Photodetection

Emerging Artificial Two-Dimensional van der Waals Heterostructures for Optoelectronics

Composite Structures with Emissive Quantum Dots for Light Enhancement

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