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Halide perovskite film, solar cell including, and method of forming the same

A halide perovskite and thin film technology, applied in the field of halide perovskite thin films, can solve the problems of complexity, loss of solar cell attractiveness, and inapplicability to roll-to-roll

Active Publication Date: 2019-03-15
NANYANG TECH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Currently, only mesoscopic perovskite solar cell structures can exhibit very high efficiencies, but very high temperatures (above 450 °C) may be required in such structures to process titanium oxide (TiO 2 ), which may mean that this structure is not suitable for roll-to-roll production and other low-temperature manufacturing processes
Additionally, other existing methods of forming high-efficiency perovskite solar cells are either very complex or require significant processing time
As a result, simple solution-processable perovskite solar cell technology is rapidly losing appeal for more energy-efficient solar cells formed by more sophisticated methods.

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  • Halide perovskite film, solar cell including, and method of forming the same
  • Halide perovskite film, solar cell including, and method of forming the same
  • Halide perovskite film, solar cell including, and method of forming the same

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Embodiment Construction

[0035] 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.

[0036] Embodiments described in the context of one method or halide perovskite film / solar cell are similarly valid for the other method or halide perovskite film / solar cell. Similarly, embodiments described in the context of a method are similarly valid for halide perovskite thin film / solar cells, and vice versa.

[0037] Features described in the context of an embodiment may correspondin...

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Abstract

The invention relates to a method of forming a halide perovskite film, wherein deuterium oxide is mixed with a halide perovskite solution to form a halide perovskite film. The halide perovskite solution includes a metal cation, such as a lead, tin, germanium or bismuth cation, a halide anion, and at least one selected from an organic cation, such as methylammonium or formamidinium, and an inorganic cation, such as cesium, rubidium or potassium. A halide perovskite film comprising an organic cation with one or more carbon-deuterium bonds, and a solar cell comprising said halide perovskite filmare also disclosed.

Description

[0001] related application [0002] This application claims priority from Singapore Patent Application 10201606391W filed on 3 August 2016, the contents of which are hereby incorporated by reference in their entirety. technical field [0003] Various aspects of the present disclosure relate to halide perovskite thin films. Aspects of the present disclosure relate to solar cells comprising halide perovskite thin films. Various aspects of the present disclosure relate to methods of forming halide perovskite thin films. Background technique [0004] Modern civilization is more dependent on energy than ever before. The energy needs of the modern world are increasing every year. To meet these needs, the world is also increasing its dependence on fossil fuels such as coal, petroleum, oil and natural gas to meet energy needs. Since all these sources of energy are non-renewable, there is concern that they will be completely depleted in the future. [0005] On the other hand, r...

Claims

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Application Information

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IPC IPC(8): H01L51/42C30B7/04H01L21/02H01L31/18
CPCC30B7/06C30B29/54H01L21/02521H01L21/02628Y02E10/549H10K71/15H10K85/1135H10K85/50H10K30/50
Inventor 岑子健安柯·索兰奇林瑞贤陈石
Owner NANYANG TECH UNIV
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