Oxygen-assisted preparation of mechanoluminescent ZnS:Mn for dynamic pressure mapping

Wang, Xiandi; Ling, Rui; Zhang, Yufei; Que, Miaoling; Peng, Yiyao; Pan, Caofeng

doi:10.1007/s12274-017-1813-y

Cited by 49 publications

(34 citation statements)

References 41 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…While offering advantages over conventional stress sensing devices, the low ML intensity of composite materials could undermine their potential to monitor the structural health of buildings and bridges during daylight hours. To date, efforts to increase the intensity of ML of materials have focused on the crystal structures and trap levels of the ML material, for example by optimizing protocols to synthesize ML particles and coatings [17,19,137,150,152,164,166,208,240,[265][266][267][268][269][270][271][272][273][274][275] that include adjusting the composition deficiency (Section 2.2) [142,150,151,173], exposing the material to SHI irradiation (Section 4.7.1) [247], by substituting host ions in the crystal [94,95,194,[265][266][267] and co-doping crystals with rare earth or transition metal ions [87,88,91,92,123,231,248,249,[268][269][270][...…”

Section: Enhancement Of ML Intensitymentioning

confidence: 99%

Trap-controlled mechanoluminescent materials

Zhang

Wang

Marriott

et al. 2019

Progress in Materials Science

232

189

View full text Add to dashboard Cite

Mechanoluminescence (ML) is generated during exposures of certain materials to mechanical stimuli. Many solid materials produce ML during their fracturing, however, the irreversibility of fracto-induced ML limits the practical applications of these materials. In 1999, Chao-Nan Xu discovered an intense and reproducible ML from trap-controlled materials, including ZnS:Mn 2+ and SrAl 2 O 4 :Eu 2+ , and introduced the principles and applications of hybrid inorganic/organic mechanoluminescent (ML) composites, and related sensors to visualize stress/strain in target structures. This discovery has triggered intense research interest in trap-controlled ML materials and composites over the past 2 decades. Notable achievements of this research include the development of trap-controlled materials that exhibit bright ML emission from the ultraviolet to the near infra-red, and multiscale mechano-optical sensitivities. This research has also increased our understanding of the mechanisms of ML phenomena, enabling the rational design of trap-controlled ML materials. Practical applications of ML are also being driven by the discovery that ML composites can serve as "mechano-optical sensitive skin" for structural health diagnosis, stress sensors for biomechanics, and mechanically-activated light sources. This review focuses on the design, synthesis, characterization, optimization and application of trap-controlled ML materials, and concludes with discussions on future directions of ML research and specific challenges to improve ML materials for real-world applications.

show abstract

Section: Enhancement Of ML Intensitymentioning

confidence: 99%

Trap-controlled mechanoluminescent materials

Zhang

Wang

Marriott

et al. 2019

Progress in Materials Science

232

189

View full text Add to dashboard Cite

show abstract

“…To investigate the chemical states of the variable elements and oxygen in the sample, a wide survey scan of XPS spectra was carried out. All peaks have been corrected by C1s peaks position (284.8 eV) 26 . Figure 4(a) shows the XPS survey spectrum of Mn 3 Gd 7– x Ce x (SiO 4 ) 6 O 1.5 .…”

Section: Resultsmentioning

confidence: 99%

Synthesis of Ce-doped Mn3Gd7−xCex(SiO4)6O1.5 for the enhanced catalytic ozonation of tetracycline

Liu

Mei

et al. 2019

Sci Rep

View full text Add to dashboard Cite

A novel cerium doped compounds Mn3Gd7–xCex(SiO4)6O1.5 with an apatite structure was found and used to achieve high-efficiency degradation of tetracycline in aqueous solution. The catalysts were characterized by XRD, XPS, EDS and other techniques. The characteristic results indicated that the catalytic activity of the compound was improved due to the introduction of Ce in the structure, because Ce3+ which was stably present in the apatite structure can serve as an active site for the reaction, and in addition, there was a high presence between Ce4+ and Ce3+ on the surface of the catalyst. The redox potential and high oxygen storage capacity were also beneficial for the catalytic reaction. The results of free radical capture indicated that both superoxide radicals and hydroxyl radicals participated in the catalytic oxidation process and played an important role in the reaction. The decomposition of tetracycline followed the pseudo second-order reaction kinetics. In addition, the catalyst exhibited long-term stability and low metal leaching during the reaction, which indicated that the novel cerium-doped apatite structure material could be a promising wastewater treatment material.

show abstract

“…Contrary to the reported pressure imaging smart sensors based on nanowire arrays that the spatial‐resolution is limited by the sensor device and has a highest resolution of 2.7 µm at a pixel density of 6350 dpi and maximum scale of 8.0 mm (when oriented at high‐resolution pressure imaging) and a resolution of 254 µm at 100 dpi and maximum scale of 25.4 mm (when oriented at full dynamic‐range pressure imaging), the present new scalable sensor is continuously networked as the ML particles are multilayer overlapped and the sensor has a resolution much higher than 1 µm; consequently, the resolution only depends on the imaging (observation) system. The ML of other material, such as ZnS:Mn, was also investigated for dynamic 2D pressure mapping but not for the multiscale application, applicable map ranging from 0.6 to 50 MPa or 2.2 to 40.6 MPa were achieved for the designed specific devices . The scalable strain sensor reported here is sensitive and greatly significant for multiscale applications ranging from micrometer to meter‐scales, and the high‐precision in strain/stress imaging is quantitatively evaluated.…”

Section: Scalable Elasticoluminescent Strain Sensormentioning

confidence: 99%

Scalable Elasticoluminescent Strain Sensor for Precise Dynamic Stress Imaging and Onsite Infrastructure Diagnosis

Liu

Yoshida

et al. 2018

Adv Materials Technologies

View full text Add to dashboard Cite

structures attracted world-wide attention in order to ensure effective maintenance and avoid recurrence of such severe disasters. [1][2][3] In December 2017, a serious incident happened at a Shinkansen bullet train of Japan due to anomalous load caused fatigue cracks and rupture in an undercarriage, [4] and this sudden incident further enhanced the urgent necessity to predict the fracture (damage) of infrastructures. Since conventional magnetic particle testing (MT), penetrant testing (PT), and ultrasonic testing (UT) methods are difficult for precise largescale infrastructure diagnosis, many techniques were proposed on this topic in recent years, such as sensing techniques of electrical resistance or capacitive MEMS strain sensors and piezoelectric sensors were proposed for precise strain or anomaly detection, but these methods still had limitations for strain imaging on real world structures due to the sensor scale and/or spatial resolution. [5][6][7][8] On the other hand, new types of sensors based on photoelectric methods such as assembled nanowires/nanotubes or microstructured rubber layers, [9][10][11][12][13][14][15] stretchable and flexible strain sensor with conductive nanostructure for sensitive detection of human motion, [16] piezotronic/piezo-phototronic-effect enhanced light emitting smart sensors, [17,18] and flexible or bionic mechanosensors were proposed as effective sensing techniques for dynamic imaging of pressure or stress and diagnosing movement disorders in high-resolution. [19][20][21][22][23] However, fabrication methods of the abovementioned nanowire array or flexible smart sensors are complicated, and they are inconvenient for scalable precise stress/strain imaging and especially difficult for large-scale application and onsite real world infrastructures.Herein, we report another mechanism of largely scalable and flexible strain sensor using elasticoluminescent smart paint for challenge to solve worldwide structural diagnosis problems ranging from micro to macroscales. The elasticoluminescence presented in this study also called elastico-mechanoluminescence is a unique form of mechanoluminescence (ML) that can generate repeatable and reproducible light emission during elastic deformation. [24][25][26][27][28][29] The new scalable elasticoluminescent strain sensor has great significance on high sensitivity and precise dynamic stress/strain imaging, and onsite fracture inspection and diagnoses on large-scale infrastructures. The innovative scalable strain sensor would prospectively open a Precise dynamic stress/strain imaging is critical for a broad range of research and engineering analyses ranging from micrometer to meter-scales, but there is no precise multiscale strain sensor, especially for onsite real-time structural health monitoring. Here, a scalable elasticoluminescent strain sensor is presented for solving worldwide structural diagnosis problems ranging from micrometer to meter-scales. Significant progress has recently been made on both highly sensitive elasticoluminescent sensor...

show abstract

Oxygen-assisted preparation of mechanoluminescent ZnS:Mn for dynamic pressure mapping

Cited by 49 publications

References 41 publications

Trap-controlled mechanoluminescent materials

Trap-controlled mechanoluminescent materials

Synthesis of Ce-doped Mn3Gd7−xCex(SiO4)6O1.5 for the enhanced catalytic ozonation of tetracycline

Scalable Elasticoluminescent Strain Sensor for Precise Dynamic Stress Imaging and Onsite Infrastructure Diagnosis

Contact Info

Product

Resources

About