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Hot-carrier solar cell, and method to form the same

A technology of solar cells and hot carriers, applied in circuits, electrical components, photovoltaic power generation, etc.

Active Publication Date: 2019-05-24
NANYANG TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, further studies revealed that slow hot-carrier cooling in quantum-confined systems remains challenging due to alternative fast relaxation routes that may exceed the phonon bottleneck

Method used

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  • Hot-carrier solar cell, and method to form the same
  • Hot-carrier solar cell, and method to form the same
  • Hot-carrier solar cell, and method to form the same

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Embodiment Construction

[0051] The drawings show, by way of illustration, specific details and embodiments in which the invention may be practiced. The embodiments are described in detail below, by referring to the accompanying drawings, enough to enable those skilled in the art to practice the invention. Other embodiments may be utilized and structural, logical, and electrical changes may be made without departing from the scope of the present invention. The various embodiments are not necessarily mutually exclusive, as some embodiments can be combined with one or more other embodiments to form new embodiments.

[0052] Embodiments described in the context of one method or nanocrystal / solar cell / device are similarly valid for other methods or nanocrystals / solar cells / devices. Similarly, embodiments described in the context of a method are similarly valid for nanocrystals / solar cells / devices, and vice versa.

[0053] Features described in the context of an embodiment may correspondingly apply to th...

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Abstract

Various embodiments may provide a hot-carrier solar cell. The solar cell may include a nanocrystal containing layer containing or including one or more nanocrystals, each of the one or more nanocrystals including a halide perovskite material. The hot-carrier solar cell may also include a first electrode in contact with a first side of the nanocrystal containing layer. The hot-carrier solar cell may further include a second electrode in contact with a second side of the nanocrystal containing layer opposite to the first side. The nanocrystal containing layer may have a thickness of less than 100 nm.

Description

[0001] related application [0002] This application claims priority from Singapore Patent Application No. 10201606182S filed on 27 July 2016, the contents of which are hereby incorporated by reference in their entirety. technical field [0003] Various aspects of the present disclosure relate to hot carrier solar cells. Various aspects of the disclosure relate to methods of forming hot carrier solar cells. Background technique [0004] A feature common to all current solar cells is that solar photons (from ultraviolet to infrared wavelengths) have energies greater than the semiconductor bandgap and can generate free carriers or excitons with excess energy beyond the bandgap; these current carriers Carriers or excitons with a temperature higher than the material lattice temperature are called "hot carriers" or "hot excitons". This excess carrier energy is kinetic free energy and is rapidly (on sub-picosecond timescales) lost by converting the excess kinetic energy into he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/42H01L51/48
CPCY02E10/549H10K30/211H10K85/50H10K30/50
Inventor 岑子健李明杰苏博高塔姆·玛瑟卡N·马修斯
Owner NANYANG TECH UNIV