Alcohol-soluble conjugate organic micromolecular material for cathode interface of solar cell, and preparation method and purpose thereof

A technology of interface material and cathode interface layer, applied in the field of solar cell materials, can solve the problems of increasing device manufacturing cost and unfavorable preparation of flexible devices
CN103396321AInactive Publication Date: 2013-11-20NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Publication Date
2013-11-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an alcohol-soluble conjugate organic micromolecular material for a cathode interface of a solar cell, and a preparation method and purpose thereof. Specifically, the invention provides a compound shown as a formula I; and the groups are defined as in the specification. The material has the characteristics of clear structure, simple synthesis, easiness for purification and good dissolvability, can be used as the cathode interface modification material for solar cell devices, and has superior performances.
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Description

technical field

[0001] The invention belongs to the technical field of solar cell materials, and relates to a preparation method and application of an organic solar cell interface material, in particular to a preparation method and application of an alcohol-soluble conjugated organic small molecule solar cell cathode interface material. Background technique

[0002] Organic solar cells are a new type of solar cells, which have the advantages of diverse chemical structures, roll-to-roll large-area production, flexibility, lightness, and relatively low cost. One of them has important development and application prospects.

[0003] A solar cell has a sandwich structure, namely electrodes and an active layer. Adding an interface layer between the electrode and the active layer can make good ohmic contact between the electrode and the active layer, reduce the contact resistance and enhance the collection of carriers. By adding low work function metals, metal oxides or salts as ...

Claims

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