IEEE Organizations related to Bromine

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Conferences related to Bromine

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2020 19th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm)

The ITherm Conference series is the leading international venue for scientific and engineering exploration of thermal, thermomechanical, and emerging technology issues associated with electronic devices, packages, and systems.


2020 IEEE 70th Electronic Components and Technology Conference (ECTC)

ECTC is the premier international conference sponsored by the IEEE Components, Packaging and Manufacturing Society. ECTC paper comprise a wide spectrum of topics, including 3D packaging, electronic components, materials, assembly, interconnections, device and system packaging, optoelectronics, reliability, and simulation.


2020 IEEE International Conference on Plasma Science (ICOPS)

IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.


2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)

All areas of ionizing radiation detection - detectors, signal processing, analysis of results, PET development, PET results, medical imaging using ionizing radiation


2020 IEEE Photovoltaic Specialists Conference (PVSC)

Promote science and engineering of photovoltaic materials, devices, systems and applications


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Periodicals related to Bromine

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Xplore Articles related to Bromine

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Bromine doped perovskite/textured silicon heterojunction for mechanically stacked tandem solar cell

2017 24th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD), 2017

In order to achieve high-efficiency solar cells, a tandem structure with perovskite and silicon solar cells was introduced and concerned, recently. However, it was difficult to form perovskite top cell on “textured” silicon solar cell due to the in homogeneity layer of perovskite top cells by solution process. In this work, therefore, in order to combine perovskite solar cell as ...


The technical inspection of device for integrated evaluation of the antioxidant activity of foods

2017 IEEE First Ukraine Conference on Electrical and Computer Engineering (UKRCON), 2017

This article deals with the technical testing of device for integrated evaluation of the antioxidant activity of foods. Results of technical testing are given. The major attention is paid to testing of hardware implementation of device.


Using combined photoreflectance and photoluminescence for understanding optical transitions in perovskites

2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC), 2015

In this work, the optical properties of organometallic perovskites with different band gaps have been analyzed with photoluminescence and photoreflectance techniques. Band gap of the perovskites has been modified by bromine substitution of iodine in the structure. With these characterizations, the main optical transitions, both inside the band gap and higher in energies, and luminescence properties of these materials have ...


Detection of A Shifting Bromine Concentration in Hybrid Perovskites by X-ray Fluorescence Microscopy

2017 IEEE 44th Photovoltaic Specialist Conference (PVSC), 2017

Hybrid perovskite materials are promising for application as the active layers in solar cells due to their excellent optoelectronic properties. Improved understanding of the origins of hysteresis in perovskite materials must be established to overcome barriers to commercialization. In this study, we use a lateral device geometry to bias a methylammonium lead bromide thin film single crystal. Upon biasing, the ...


Recovery of bromine and antimony from WEEE plastics

2016 Electronics Goes Green 2016+ (EGG), 2016

Current technologies for recycling plastics from WEEE separate non-flame retarded types of ABS, PS and PP from a mixed plastic stream, which contains halogens and legacy additives like PBDE and is intended to be incinerated. As an innovative alternative treatment route, we investigated whether this by- product may be used as a source of plastics, bromine and the synergist antimony ...


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Educational Resources on Bromine

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IEEE.tv Videos

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IEEE-USA E-Books

  • Bromine doped perovskite/textured silicon heterojunction for mechanically stacked tandem solar cell

    In order to achieve high-efficiency solar cells, a tandem structure with perovskite and silicon solar cells was introduced and concerned, recently. However, it was difficult to form perovskite top cell on “textured” silicon solar cell due to the in homogeneity layer of perovskite top cells by solution process. In this work, therefore, in order to combine perovskite solar cell as a top cell and “textured” silicon heterojunction (SHJ) solar cell as a bottom cell, the top and bottom cell were integrated into the two-terminal tandem solar cells by mechanically stacking as the first time. Moreover, energy bandgap of perovskite layer was controlled by containing bromine to achieve current matching between top and bottom cell.

  • The technical inspection of device for integrated evaluation of the antioxidant activity of foods

    This article deals with the technical testing of device for integrated evaluation of the antioxidant activity of foods. Results of technical testing are given. The major attention is paid to testing of hardware implementation of device.

  • Using combined photoreflectance and photoluminescence for understanding optical transitions in perovskites

    In this work, the optical properties of organometallic perovskites with different band gaps have been analyzed with photoluminescence and photoreflectance techniques. Band gap of the perovskites has been modified by bromine substitution of iodine in the structure. With these characterizations, the main optical transitions, both inside the band gap and higher in energies, and luminescence properties of these materials have been studied in order to further comprehend their photovoltaic properties.

  • Detection of A Shifting Bromine Concentration in Hybrid Perovskites by X-ray Fluorescence Microscopy

    Hybrid perovskite materials are promising for application as the active layers in solar cells due to their excellent optoelectronic properties. Improved understanding of the origins of hysteresis in perovskite materials must be established to overcome barriers to commercialization. In this study, we use a lateral device geometry to bias a methylammonium lead bromide thin film single crystal. Upon biasing, the halide concentration varies laterally within the crystal, as observed by means of nondestructive synchrotron-based nanoprobe X-ray fluorescence (Nano-XRF). The direct observation of a partially reversible bromine re-distribution under bias is revealed experimentally. The origins of device hysteresis and switchable effects can be partially explained by the local elemental information available from Nano-XRF.

  • Recovery of bromine and antimony from WEEE plastics

    Current technologies for recycling plastics from WEEE separate non-flame retarded types of ABS, PS and PP from a mixed plastic stream, which contains halogens and legacy additives like PBDE and is intended to be incinerated. As an innovative alternative treatment route, we investigated whether this by- product may be used as a source of plastics, bromine and the synergist antimony trioxide (Sb2O3). The technological approach based on the CreaSolv®Process (CreaSolv®is a registered trademark of CreaCycle, GmbH, Grevenbroich) that allows a selective dissolution of flame retarded ABS and PS, respectively. These solutions are cleaned from undissolved particles by filters, and Sb2O3is separated by a centrifuge. After removal of Sb2O3, ABS und PS solutions are separated from brominated flame retardants (BFR) and finally produced to granules of recycled ABS and PS. In this study, the technical feasibility of this approach is demonstrated in laboratory and small technical scale. Results show, that application of centrifugal forces separates Sb2O3to more than 90 % from the dissolved polymers whereas BFR stay in solution. As known from earlier trials and as demonstrated here, subsequent cleaning separates BFR from PS and ABS by more than 98%.

  • InAs Quantum Dot Lasers With Dry Etched Facet by Br-Ion Beam-Assisted Etching

    The etching conditions of the AlGaAs materials in bromine ion beam-assisted etching (Br-IBAE) process have been determined. The etching rates can be varied from several nm/min to ~300 nm/min through controlling the bromine pressure and the substrate temperature. High-performance InAs quantum dot (QD) lasers have been grown by molecular beam epitaxy system. The broad area QD lasers are fabricated by standard photolithography and metallization processes, while the laser facets are formed by Br-IBAE dry etching process. With the dry-etched facets, the InAs QD lasers have a threshold current density Jth, and slope efficiency, ηiof 480 A/cm2and 34%, respectively. The Br-IBAE dry etched facet reflectivity of 0.28 is obtained from fitting the Jthversus reciprocal cavity length curves.

  • Detection of lamivudine and emtricitabine using a modified pyrimidine assay

    Monitoring the adherence of patients taking highly-active anti-retroviral therapy (HAART) and Pre-Exposure Prophylaxis (PrEP) is a key step in treating an HIV infection. Since current monitor methods are non-direct there is a need for assays that directly verify the presence of active drug in the patient. In this work we modified an existing assay for the detection of cytosine to sense the presence of lamivudine (3TC) in spiked urine and emtricitabine (FTC) in water. 3TC and FTC is reacted with bromine and barium hydroxide to generate a colored precipitate in less than an hour indicating the presence of active drug. The current detection limit of the 3TC assay is 870uM in water and 2mM in urine. This assay can be applied in clinics to monitor patient adherence without the need for expensive equipment such as HPLC.

  • Energy performance of an operating 50 kWh zinc-bromide flow battery system

    The zinc bromide reduction oxidation (REDOX) battery is one type of flow battery that can be used in renewable energy or demand side management applications such as energy time shifting. Many flow battery models and laboratory experiments have been widely discussed by various organizations. This paper focuses on the measured energy performance of a 50 kWh grid connected zinc bromide battery storage system and the factors that impact on its overall energy efficiency from the perspective of an end user.

  • Electrical properties and band structure of the transition metal dichalcogenide MoTe/sub 2-e/ doped with bromine

    None

  • Activation of Thin Film CdTe Solar Cells Using a Cadmium Bromide Treatment

    The activation of CdTe with a cadmium chloride annealing treatment is a vital step in the fabrication of high efficiency solar cells. Thin film MZO/CdTe cells have been activated using CdBr2instead of CdCl2with a lower activation process temperature. Using this method, CdBr2does activate the cell as revealed by J-V and EQE measurements. TEM and EDX elemental maps from device cross-sections confirm that bromine is present in the grain boundaries. TEM shows that the treatment removes stacking faults at 425 °C. CdBr2treatment resulted in a relatively modest conversion efficiency of 5.49% when treated at 375 °C. Nevertheless, the experiments shed further light on the mechanisms involved in the activation.



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