Inorganic and Organic Solution-Processed Thin Film Devices

Eslamian, Morteza

doi:10.1007/s40820-016-0106-4

Cited by 175 publications

(93 citation statements)

References 127 publications

(142 reference statements)

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“…However, the development of low-dimensional TE materials and their applications are still very promising due to their highly demanded applications in small-scale TE devices. [22,169,[184][185][186] [22,169,[184][185][186] …”

Section: Low-dimensional Thermoelectric Nanomaterialsmentioning

confidence: 99%

“…[247,252,262,263] To achieve this, TE devices can be deposited [317] or printed as films [240,325] or on flexible bases such as paper (Figure 13c), [326] or assembled as arrays on the bases using multiple TEG modules via advanced microfabrication techniques (Figure 13d,e). [185,307,312,323,332] High σ has been realized in π-conjugated polymers, [155] and high σ values have been achieved (such as up to ≈10 5 S cm −1 in N = number of TE modules; b) P max = maximum power output. [323] In recent years, extensive studies on conductive polymers [55,56,58,[329][330][331] have been devoted to the development of polymerbased wearable TEGs.…”

Section: Power Supply Using Human Body As the Heat Sourcementioning

confidence: 99%

“…Most importantly, a high ZT of ≈0.42 was achieved at room temperature. [332] The recently developed organic-inorganic incorporated TE materials [185,[310][311][312][313] such as silk fabric-based [310] materials show promising TE performances. [332] The recently developed organic-inorganic incorporated TE materials [185,[310][311][312][313] such as silk fabric-based [310] materials show promising TE performances.…”

Section: Wwwadvancedsciencenewscommentioning

confidence: 99%

See 2 more Smart Citations

High Performance Thermoelectric Materials: Progress and Their Applications

Yang

Chen

Dargusch

et al. 2017

Advanced Energy Materials

656

434

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Thermoelectric (TE) materials have the capability of converting heat into electricity, which can improve fuel efficiency, as well as providing robust alternative energy supply in multiple applications by collecting wasted heat, and therefore, assisting in finding new energy solutions. In order to construct high performance TE devices, superior TE materials have to be targeted via various strategies. The development of high performance TE devices can broaden the market of TE application and eventually boost the enthusiasm of TE material research. This review focuses on major novel strategies to achieve high‐performance TE materials and their applications. Manipulating the carrier concentration and band structures of materials are effective in optimizing the electrical transport properties, while nanostructure engineering and defect engineering can greatly reduce the thermal conductivity approaching the amorphous limit. Currently, TE devices are utilized to generate power in remote missions, solar–thermal systems, implantable or/wearable devices, the automotive industry, and many other fields; they are also serving as temperature sensors and controllers or even gas sensors. The future tendency is to synergistically optimize and integrate all the effective factors to further improve the TE performance, so that highly efficient TE materials and devices can be more beneficial to daily lives.

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Section: Low-dimensional Thermoelectric Nanomaterialsmentioning

confidence: 99%

Section: Power Supply Using Human Body As the Heat Sourcementioning

confidence: 99%

Section: Wwwadvancedsciencenewscommentioning

confidence: 99%

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High Performance Thermoelectric Materials: Progress and Their Applications

Yang

Chen

Dargusch

et al. 2017

Advanced Energy Materials

656

434

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“…Additionally, coexistence of multiple phases or amorphous areas in the PbI2 matrix may hinder the performance of the associated devices [15]. Achieving intact, defect-free, and reproducible solutionprocessed thin film entails careful control of all aspects of the deposition process to yield a desired thin solid film [16]. Crystalline thin films are even more challenging to fabricate compared to the amorphous films, because the complex spatial geometry of the crystallites in such films may affect the film integrity and roughness.…”

Section: Introductionmentioning

confidence: 99%

Effect of the Ultrasonic Substrate Vibration on Nucleation and Crystallization of PbI2 Crystals and Thin Films

Zabihi

Eslamian

2018

Crystals

Self Cite

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Preparation of defect-free and well-controlled solution-processed crystalline thin films is highly desirable for emerging technologies, such as perovskite solar cells. In this work, using PbI 2 as a model solution with a vast variety of applications, we demonstrate that the excitation of a liquid thin film by imposed ultrasonic vibration on the film substrate significantly affects the nucleation and crystallization kinetics of PbI 2 and the morphology of the resulting solid thin film. It is found that by applying ultrasonic vibration to PbI 2 solution spun onto an ITO substrate with a moderate power and excitation duration (5 W and 1 min for the 40 kHz transducer used in this study), the nucleation rate increases and the crystals transform from 2D or planar to epitaxial 3D columnar structures, resulting in the suppression of crystallization dewetting. The effects of various induced physical phenomena as a result of the excitation by ultrasonic vibration are discussed, including microstreaming and micromixing, increased heat transfer and local temperature, a change in the thermodynamic state of the solution, and a decrease in the supersaturation point. It is shown that the ultrasonic-assisted solution deposition of the PbI 2 thin films is controllable and reproducible, a process which is low-cost and in line with the large-scale fabrication of such solution-processed thin films.

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confidence: 99%

Ultraconformable Freestanding Capacitors Based on Ultrathin Polyvinyl Formal Films

Barsotti

Hirata

Pignatelli

et al. 2018

Adv Elect Materials

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case of flexible, [1] stretchable, [2] as well as conformable devices. [3] The great improvements in materials properties [4,5] and fabrication technologies [6][7][8][9] enabled constant developments toward applications, such as flexible displays, [10] electronic paper, radio-frequency identification (RFID) tags, smart cards, [11] electronic skin, [12,13] wearable monitoring devices. [14] The term conformable electronics is used to refer to a class of electronic devices that, thanks to their reduced thickness and peculiar construction, conformally adhere onto nonplanar surfaces and materials. [15] Thickness reduction also implies a total mass reduction and an increase in the aspect ratio values, factors that strongly affect adhesion and conformability. Under these conditions, Van der Waals forces become predominant, with a consequent adhesion improvement. [16] Conformability of devices is particularly appealing when skin is the target surface of interest. This is the case of skin-worn unobtrusive sensors, and more general of biosensors, to be used in biomedical, healthcare, [15] sport activity, and environment monitoring systems [15,17] applications. Indeed, in all cited applications it is highly demanded that devices are the least perceivable possible. [18,19] From a technological point of view empowering electronic devices with the ability to conformally adhere to a complex surface (such as skin) without compromising their functionality is very challenging. Mechanical instabilities such as buckling, crumpling, cracking, wrinkling, dewetting, and swelling can set a severe limit to the deformation the device can sustain without loss of electrical performances, and eventually lead to complete failure. Moreover, since an obvious and main strategy to accomplish this task is to decrease the overall thickness and inherent stiffness of substrates and devices, there are intrinsic difficulties related to manipulation and processing of such thin systems. In order to try to overcome these difficulties, several interesting solutions have been proposed in literature.In this vision, a novel temporary tattoo approach that makes use of commercial tattoo paper as a temporary substrate for ultraconformable (UC) electrodes enabling an easy water-based transfer directly on skin, was proposed by Zucca et al. [15] In their work, the authors developed an unconventional way to fabricate ultraconformable surface electromyography (sEMG) electrodes using ultrathin (UT)Conformable electronics refers to a class of electronic devices that have the ability to conformally adhere onto nonplanar surfaces and materials, resulting particularly appealing for skin-contact applications, such as the case of skinworn unobtrusive (bio)sensors for healthcare monitoring. Conformability can be addressed by integrating basic electronic components on ultrathin polymeric film substrates. Among other basic electronic components, capacitors are fundamental ones for energy storage, sensing, frequency tuning, impedance adaptation, and signal processing. In this ...

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Inorganic and Organic Solution-Processed Thin Film Devices

Cited by 175 publications

References 127 publications

High Performance Thermoelectric Materials: Progress and Their Applications

High Performance Thermoelectric Materials: Progress and Their Applications

Effect of the Ultrasonic Substrate Vibration on Nucleation and Crystallization of PbI2 Crystals and Thin Films

Ultraconformable Freestanding Capacitors Based on Ultrathin Polyvinyl Formal Films

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