V2EX azobenzene

Azobenzene

释义 Definition

偶氮苯:一种有机化合物,结构特征是两个苯环通过偶氮基(N=N)相连。常见为橙红色晶体,常用于染料化学与材料科学中,并以可发生顺反异构(trans/cis)光致异构化而著名。(另有更广义的“偶氮化合物”类别,但此词特指偶氮苯。)

发音 Pronunciation

/ezobnzin/

例句 Examples

Azobenzene is used in some dyes and pigments.
偶氮苯用于某些染料和颜料中。

Under UV light, azobenzene can switch between trans and cis forms, which is useful in light-responsive materials.
在紫外光照射下,偶氮苯可在反式与顺式之间转换,这一性质在光响应材料中很有用。

词源 Etymology

azobenzene 由 **azo-**(“偶氮-”,指含有 N=N 的结构)与 benzene(“苯”)组成,字面意思就是“含偶氮基连接的苯(环)化合物”。“azo-”源自与氮相关的命名传统,用来标记这类具有偶氮双键的有机结构。

相关词 Related Words

文学作品用例 Literary Works

在典型英语文学经典(小说、诗歌、戏剧)中,azobenzene 作为专业化学术语出现频率较低;它更常见于化学教科书、研究论文与材料科学文献中,例如关于偶氮染料、光致变色与分子开关(molecular switches)的学术写作里。

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