A Paper‐Based Wearable Photodetector for Simultaneous UV Intensity and Dosage Measurement

Cai, Sa; Zuo, Chaolei; Zhang, Jiayu; Liu, Hui; Fang, Xiaosheng

doi:10.1002/adfm.202100026

Cited by 72 publications

(50 citation statements)

References 45 publications

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“…[ 87 ] However, with the rapid development of ultraviolet photodetectors, there was no report that a single photodetector could detect the transient light intensity and accumulated light dosage simultaneously. Very recently, Fang and co‐workers reported a flexible paper‐based photodetector that could simultaneously record ultraviolet intensity and dosage, [ 200 ] which could be attributed to the nature characteristics of paper (Figure 10g). In addition, Figure 10h showed the current and color change of the photodetector with ultraviolet light as switch.…”

Section: Potential Application Of 2d Uwbg Semiconductorsmentioning

confidence: 99%

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2D Ultrawide Bandgap Semiconductors: Odyssey and Challenges

et al. 2022

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Over the past decades, UWBG semiconductors employed in (opto)electronics are dominated by the traditional bulk materials, which have been extensively investigated and widely commercialized, such as Ga 2 O 3 , [1][2][3][4] diamond, [5][6][7] Mg x Zn 1-x O, [8] indium tin oxide (ITO), [9] indium gallium zinc oxide (IGZO), [10] III-nitride (GaN, AlN, Al x Ga 1-x N). [11] Furthermore, various methods have been used to improve devices performance via extensive research efforts, such as localized surface plasmon, [12,13] bandgap engineering, [14,15] array, [16][17][18] heterojunction. [19][20][21][22][23] However, in the post-Moore era, the traditional UWBG semiconductor devices with large size, high power and high cost cannot meet the future requirements of high-performance (opto)electronic devices. [24,25] In this regard, desingings of low-dimensional semiconductor material systems with novel structure and good adaptability have become a research hotspot.Successful exfoliation of graphene [38] in 2004 has tremendously boosted research on various 2D materials, including transition metal dichalcogenides (TMDs), [39][40][41][42][43][44][45] black phosphorous (b-P), [46][47][48] black arsenic (b-As), [49,50] phosphorous compounds, [51,52] hexagonal boron nitride (h-BN), [53][54][55][56] and Mxene. [57] Compared to devices based on narrow bandgap semiconductors, ultraviolet photodetectors based on 2D UWBG semiconductors need not costly high-pass optical filters to block out visible and infrared photons and without cooled to reduce dark current, leading to a significant loss of effective area of the system. Hence, the emergence of devices based on 2D ultrawide bandgap semiconductors has opened up an avenue to circumvent the dilemma mentioned above.The group metal chalcogenides (GaS, GaSe) are known for wide-range bandgap and are among the first to be investigated. [58,59] Then, the study quickly expand to other chalcogenide and has further inspired attention on other compounds, such as metal oxyhalides, metal nitrides, metal oxides, and Dion-Jacobson perovskite oxides. [28,[33][34][35][60][61][62][63][64][65][66][67][68][69][70][71][72][73][74] Atomically thin 2D UWBG semiconductor materials have sky-rocketing developed into a unique subdiscipline in the last decade, offering new possibilities for designing and fabricating (opto)electronic devices with novel functionalities at the nanoscale (Figure 1). Up to date, studies on 2D 2D ultrawide bandgap (UWBG) semiconductors have aroused increasing interest in the field of high-power transparent electronic devices, deep-ultraviolet photodetectors, flexible electronic skins, and energy-efficient displays, owing to their intriguing physical properties. Compared with dominant narrow bandgap semiconductor material families, 2D UWBG semiconductors are less investigated but stand out because of their propensity for high optical transparency, tunable electrical conductivity, high mobility, and ultrahigh gate dielectrics. At the current stage of research, the most intensively investiga...

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Section: Potential Application Of 2d Uwbg Semiconductorsmentioning

confidence: 99%

mentioning

confidence: 99%

2D Ultrawide Bandgap Semiconductors: Odyssey and Challenges

et al. 2022

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“…Therefore, the application range of paper-based materials has expanded to paper-based flexible electronics. Actually, cellulose paper has been prosperously developed in flexible electronic devices including sensors, 91 nanogenerators, 32,92 supercapacitors, 93–95 transistors, 96–98 actuators, 99–102 photodetectors, 103–105 and synthetic gene networks. 106 In this section, we will choose to display paper-based humidity and strain/pressure sensors, which make up a small portion of paper-based flexible electronic devices, to show the natural characteristics and unique advantages of cellulose paper, and further illustrate the multi-functional applications of cellulose-based paper.…”

Section: Cellulose-based Papermentioning

confidence: 99%

The gorgeous transformation of paper: from cellulose paper to inorganic paper to 2D paper materials with multifunctional properties

Dai

Guo

2022

J. Mater. Chem. A

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“…When the illuminated UV intensity increased, the output signal of the TiO 2 /GO device increased accordingly. Cai et al [ 813 ] developed a paper‐based wearable photodetector using 2D Sr 2 Nb 3 O 10 nanosheets and ZnO NPs. To fabricate the device, the 2D Sr 2 Nb 3 O 10 nanosheets and ZnO NPs were sprayed coating to the filter paper.…”

Section: D Materials‐based Wearable Sensors For Human Health Applicationsmentioning

confidence: 99%

Scalably Nanomanufactured Atomically Thin Materials‐Based Wearable Health Sensors

Zhang

Jiang

2021

Small Structures

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Wearable multimodal sensors could enable the continuous, non‐invasive, precise monitoring of vital human signals critical for remote health monitoring and telemedicine. Atomically thin materials with intriguing physical characteristics, rich chemistry, and extreme sensitivity to external stimuli are attractive for implementing high‐performance wearable sensors. Despite the increased interest and efforts in 2D materials‐based wearable sensors, reducing the manufacturing and integration costs while improving the product performance remains challenging. Previous review articles provided good coverage discussing the material and device aspects of 2D materials‐based wearable devices. However, few reviews discussed the status quo, prospects, and opportunities for the scalable nanomanufacturing of 2D materials wearable sensors for health monitoring. To fill this gap, the recent advances in 2D materials‐based wearable health sensors are reviewed. The structure design, fabrication processing, the mechanisms of 2D materials‐based wearable health sensors, and their applications for human health monitoring are discussed. More significantly, a systematic discussion of the state‐of‐the‐art and technological gaps for enabling future design and nanomanufacturing of 2D materials wearable health sensors are provided. Finally, the challenges and opportunities associated with the scalable nanomanufacturing of 2D wearable health sensors are discussed.

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A Paper‐Based Wearable Photodetector for Simultaneous UV Intensity and Dosage Measurement

Cited by 72 publications

References 45 publications

2D Ultrawide Bandgap Semiconductors: Odyssey and Challenges

2D Ultrawide Bandgap Semiconductors: Odyssey and Challenges

The gorgeous transformation of paper: from cellulose paper to inorganic paper to 2D paper materials with multifunctional properties

Scalably Nanomanufactured Atomically Thin Materials‐Based Wearable Health Sensors

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