θˈɪn fˈɪlmz bˈeɪɾəɪn tˈuː z θɹˈiː kæn biː ɡɹˈoʊn wɪð vˈɛɹiɪŋ bˈænd ɡˈæps, wˌɪtʃ mˌeɪk ðˌɛm wˈaɪdli ɐplˈɪkəbəl æz fˌoʊɾoʊvoʊltˈeɪɪk sˌɛmɪkəndˈʌktɚz, ɪspˈɛʃəli ɪn hˌɛɾɚɹədʒˈʌŋkʃən sˈoʊlɚ sˈɛlz.
Thin films β-In2S3 can be grown with varying band gaps, which make them widely applicable as photovoltaic semiconductors, especially in heterojunction solar cells.