A betavoltaic microcell based on Au/s-SWCNTs/Ti Schottky junction

Chang, Yiyang; Chen, Changchuan; Liu, Peng; Zhang, Jinwen

doi:10.1016/j.sna.2013.08.015

Cited by 12 publications

(29 citation statements)

References 19 publications

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“…Table 2 compares the device parameters of our PV cell with other published CNT‐based PSCs using different techniques. [ 30–34 ] Compared to the reference device, LM‐CNT solar cell fabricated in this work demonstrates higher I sc , V oc , and η. The excellent performance of PSCs containing aligned CNT arrays was ascribed to the effective charge‐carrier collection.…”

Section: Resultsmentioning

confidence: 95%

Retracted: Combined Printing of Highly Aligned Single‐Walled Carbon Nanotube Thin Films with Liquid Metal for Direct Fabrication of Functional Electronic Devices

Liu

2020

Adv Elect Materials

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Latest progress in research and development of advanced materials containing single‐walled carbon nanotubes (SWCNTs) has considerably improved their wide‐spread and large‐scale practical applications in cutting‐edge electronic devices. One difficult challenge lies in the controllable fabrication of large arrays of very well aligned SWCNTs with a predetermined direction and density. Here, a printing technique that precisely implements accurate long‐range SWCNT self‐assembly on SiO2/Si substrates modified with octadecyltrichlorosilane (OTS) is introduced. The process is performed using a potential microflow inside SWCNT suspensions on a smooth hydrophobic OTS‐treated surface. Such printing strategy can be further developed to align and assemble other various nanotubes and nanowires. In particular, the CNT array and the newly emerging room‐temperature liquid metal (LM) with intrinsically excellent conductivity and enormous bendability are successfully combined for the first time. This enabled direct making of the first ever printed high‐performance LM–aligned SWCNT solar cells, transistors, and optoelectronic devices with excellent flexibility. In addition, the realized devices are rather uniform over large areas, which is one of the most important requirements for mass production. The present achievement suggests an important way toward low cost and large‐scale manufacturing of next generation flexible electronic devices, and also will significantly advance LM integrated functional electronics.

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Section: Resultsmentioning

confidence: 95%

Retracted: Combined Printing of Highly Aligned Single‐Walled Carbon Nanotube Thin Films with Liquid Metal for Direct Fabrication of Functional Electronic Devices

Liu

2020

Adv Elect Materials

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“…Currently, researchers focus on increasing the amount of tritium stored in tritium storage materials, reducing the expansion of 3 H diffusion and improving the stability of tritium storage materials. The 63 Ni radioactive source is an ideal radioactive source due to the long half-life, suitable average energy, and maximum energy of the energy-carrying beta particles, as well as easier fabrication process. Thus, 63 Ni has been the most used radioactive source though its specific power is low.…”

Section: Beta Radioisotope Sourcesmentioning

confidence: 99%

“…Meanwhile, along with the penetration depth increasing in silicon, the power density deposition per unit length decreases exponentially. Alam et al investigated the density deposition of beta particles based on monoenergetic beta particle of average energy, monoenergetic beta particle of maximum energy, and the more precise full beta energy spectrum of 63 Ni. 39 The energy distribution in the target material are different by using different beta particle energies.…”

mentioning

confidence: 99%

Review—Betavoltaic Cell: The Past, Present, and Future

Zhou

Zhang

Wang

et al. 2021

ECS J. Solid State Sci. Technol.

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In recent years, betavoltaic batteries have become an ideal power source for micro electromechanical systems. Betavoltaic battery is a device that converts the decay energy of beta emitting radioisotope sources into electrical energy using transducers. They have the advantages of high energy density, long service life, strong anti-interference ability, small size, light weight, easy miniaturization and integration, thus it has become a research hotspot in the field of micro energy. However, to date, the low energy conversion efficiencies as well as technological limitations of betavoltaic batteries impede their further application. In this review, the theory of betavoltaic energy conversion and recent understanding of the ideal material and structure design of the betavoltaic batteries for efficient exciton production, dissociation and charge transport is described, as well as recent attempts to realize optimum results. This review article concludes by identifying the remaining challenges for the improvement of battery performance and by providing perspectives toward real application of betavoltaic batteries.

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“…63 Ni is used with wide band gap semiconductor devices. 5,6 It has a 99 year half-life, which is well matched to the mission of unattended sensors supporting infrastructure lifetimes. 7,10 The remaining isotopes listed in Table 1 are available, but have no continuing commercial use, which makes their procurement much more expensive.…”

Section: Isotope Choicesmentioning

confidence: 99%

Tritium-powered radiation sensor network

et al. 2016

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Isotope power supplies offer long-lived (100 years using 63 Ni), low-power energy sources, enabling sensors or communications nodes for the lifetime of infrastructure. A tritium beta-source (12.5-year half-life) encapsulated in a phosphor-lined vial couples directly to a photovoltaic (PV) to generate a trickle current into an electrical load. An inexpensive design is described using commercial-of-the-shelf (COTS) components that generate 100 μW e for nextgeneration compact electronics/sensors. A matched radiation sensor has been built for long-duration missions utilizing microprocessor-controlled sleep modes, low-power electronic components, and a passive interrupt driven environmental wake-up. The low-power early-warning radiation detector network and isotope power source enables no-maintenance mission lifetimes.

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A betavoltaic microcell based on Au/s-SWCNTs/Ti Schottky junction

Cited by 12 publications

References 19 publications

Retracted: Combined Printing of Highly Aligned Single‐Walled Carbon Nanotube Thin Films with Liquid Metal for Direct Fabrication of Functional Electronic Devices

Retracted: Combined Printing of Highly Aligned Single‐Walled Carbon Nanotube Thin Films with Liquid Metal for Direct Fabrication of Functional Electronic Devices

Review—Betavoltaic Cell: The Past, Present, and Future

Tritium-powered radiation sensor network

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