Enhancing Photocurrent Efficiencies by Resonance Energy Transfer in CdTe Quantum Dot Multilayers: Towards Rainbow Solar Cells

Ruland, Andres; Schulz-Drost, Christian; Sgobba, Vito; Guldi, Dirk M.

doi:10.1002/adma.201101423

Cited by 75 publications

(50 citation statements)

References 40 publications

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“…141 Moreover, QDs display unique optoelectronic properties and can generate photocurrent. 142 Under some conditions, free electrons or holes can escape the QD confinement and create an electrical current. This property has motivated the use of QDs in photovoltaics, lasers, and light emitting diodes.…”

Section: Qdsmentioning

confidence: 99%

Novel interfaces for light directed neuronal stimulation: advances and challenges

Bareket¹,

Hanein²

2014

IJN

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Light activation of neurons is a growing field with applications ranging from basic investigation of neuronal systems to the development of new therapeutic methods such as artificial retina. Many recent studies currently explore novel methods for optical stimulation with temporal and spatial precision. Novel materials in particular provide an opportunity to enhance contemporary approaches. Here we review recent advances towards light directed interfaces for neuronal stimulation, focusing on state-of-the-art nanoengineered devices. In particular, we highlight challenges and prospects towards improved retinal prostheses.

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Section: Qdsmentioning

confidence: 99%

Novel interfaces for light directed neuronal stimulation: advances and challenges

Bareket¹,

Hanein²

2014

IJN

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“…It is well-known that a suitable band offset between a heterojunction or a homojunction is essential for efficient charge separation and transport11. It is possible to build up a rainbow solar cell using CZTSSe nanocrystals of different bandgap and band positions to facilitate light utilization and charge transport1213. In addition, graded band positions benefit construction of efficient electrocatalytic system by changing materials composition which moves the energy band closer to or far from the redox potential.…”

mentioning

confidence: 99%

A Route to Phase Controllable Cu2ZnSn(S1−xSex)4 Nanocrystals with Tunable Energy Bands

Shi

Qiu

et al. 2013

Sci Rep

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Cu2ZnSn(S1−xSex)4 nanocrystals are an emerging family of functional materials with huge potential of industrial applications, however, it is an extremely challenging task to synthesize Cu2ZnSn(S1−xSex)4 nanocrystals with both tunable energy band and phase purity. Here we show that a green and economic route could be designed for the synthesis of Cu2ZnSn(S1−xSex)4 nanocrystals with bandgap tunable in the range of 1.5–1.12 eV. Consequently, conduction band edge shifted from −3.9 eV to −4.61 eV (relative to vacuum energy) is realized. The phase purity of Cu2ZnSn(S1−xSex)4 nanocrystals is substantiated with in-depth combined optical and structural characterizations. Electrocatalytic and thermoelectric performances of Cu2ZnSn(S1−xSex)4 nanocrystals verify their superior activity to replace noble metal Pt and materials containing heavy metals. This green and economic route will promote large-scale application of Cu2ZnSn(S1−xSex)4 nanocrystals as solar cell materials, electrocatalysts, and thermoelectric materials.

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“…Inorganic solar cells, based on elemental and compound semiconductors (such as Si, CdTe, GaAs, and CuInSe 2 ), are commonly consisted of hard and brittle inorganic materials [67][68][69][70]. Research in exploring new materials demonstrates a tremendous feasibility to overcome the intrinsic constraints of these inorganic materials for stretchable inorganic solar cells.…”

Section: Elemental and Compound Semiconductorsmentioning

confidence: 99%

Nanomaterials for Stretchable Energy Storage and Conversion Devices

Xie

Wei

2016

NanoScience and Technology

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With the continuous progress of the energy use and demand, functionalized energy storage and conversion devices (ESCDs) are urgently needed. In the meantime, stretchable ESCDs are attracting intensive attention due to their great potential for specific applications, such as wearable electronics, an electronic skin, implant electronics, and other collapsible gadgets. Design and synthesis of nanomaterials are at the core in the development of highly stretchable supercapacitors, batteries, and solar cells for such applications. This chapter first provides a brief summary of research development on the stretchable ESCDs in the past decade through various strategies of device design and manufacturing approach. After that, the focuses are on the advanced engineering of nanomaterials as active materials to achieve the stretchability of these ESCDs while maintaining a stable and functional performance. Finally, some of the challenges and the important directions in the areas of design and synthesis of nanomaterial facing the stretchable ESCDs are discussed concisely. IntroductionWith the rapidly increasing population and economic development, the world's energy consumption is escalating dramatically, resulting in one of the most serious global challenges of our time-energy scarcity. Hence, a crowd of research in the areas of advanced technologies for energy storage (e.g., batteries and supercapacitors) and conversion (e.g., solar cells) during the past decade has been driven by the

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Enhancing Photocurrent Efficiencies by Resonance Energy Transfer in CdTe Quantum Dot Multilayers: Towards Rainbow Solar Cells

Cited by 75 publications

References 40 publications

Novel interfaces for light directed neuronal stimulation: advances and challenges

Novel interfaces for light directed neuronal stimulation: advances and challenges

A Route to Phase Controllable Cu2ZnSn(S1−xSex)4 Nanocrystals with Tunable Energy Bands

Nanomaterials for Stretchable Energy Storage and Conversion Devices

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